|SECURITIES AND EXCHANGE COMMISSIONWashington, D.C.
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|FORM 10-K-----------------------------------                                                                                                                                                                                                                                                                                                                               
|(Mark One)
X                                                                                                                                                                                                                                                                                                                                                               
|For the fiscal year ended April 30, 2003                                                                                                                                                                                                                                                                                                                                   
|Transition Report Pursuant to Section 13 or 15(d) of the Security Exchange Act of 1934 (No Fee Required)                                                                                                                                                                                                                                                                   
|For the Transition Period from __________ to __________.                                                                                                                                                                                                                                                                                                                   
|Commission File Number 0-1678                                                                                                                                                                                                                                                                                                                                              
|BUTLER NATIONAL CORPORATION(Exact name of Registrant as specified in its charter)                                                                                                                                                                                                                                                                                          
|Kansas(State of Incorporation)                                                                                                                                                                                                                                                                                                                                             
|19920 West 161st Street, Olathe, Kansas 66062(Address of Principal Executive Office)(Zip Code)                                                                                                                                                                                                                                                                             
|Registrant's telephone number, including area code:     (913) 780-9595                                                                                                                                                                                                                                                                                                     
|Securities registered pursuant to Section 12(b) of the Act:   None                                                                                                                                                                                                                                                                                                         
|Securities registered pursuant to Section 12(g) of the Act:                                                                                                                                                                                                                                                                                                                
|Common Stock $.01 Par Value(Title of Class)                                                                                                                                                                                                                                                                                                                                
|Indicate by check mark whether the Registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding twelve months and (2) has been subject to such filing requirements for the past ninety days:  Yes X No ____                                                                                
|Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained herein, and will not be contained, to the best of registrant's knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. [ ]
|The aggregate market value of the voting stock held by nonaffiliates of the Registrant was approximately $7,268,715at July 11, 2003, when the average bid and asked prices of such stock was $0.23.                                                                                                                                                                        
|The number of shares outstanding of the Registrant's Common Stock, $0.01 par value, as of July 11, 2003, was 38,739,147 shares.                                                                                                                                                                                                                                            
|DOCUMENTS INCORPORATED BY REFERENCE: NONE                                                                                                                                                                                                                                                                                                                                  
|This Form 10-K consists of 55 pages (including exhibits).  The index to exhibits is set forth on pages24-26.                                                                                                                                                                                                                                                               

|PART I                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
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|Item 1.  BUSINESS                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
|Forward Looking Information                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
|The information set forth below includes "forward-looking" information as outlined in the Private Securities Litigation Reform Act of 1995.  The Cautionary Statements, filed by the Company as Exhibit 99 to this Form 10-K, are incorporated herein by reference and you are specifically referred to such Cautionary Statements for a discussion of factors which could affect the Company's operations and forward-looking statements contained herein.                                                                                                                                                                                                                                                                                                                                                                                                              
|Controls and Procedures                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
|We maintain a set of disclosure controls and procedures and internal controls designed to ensure that information required to be disclosed in our filings under the Securities Exchange Act of 1934 is recorded, processed, summarized and reported within the time periods specified in the Securities and Exchange Commission's rules and forms.  Our principal executive and financial officers have evaluated our disclosure controls and procedures within 90 days prior to the filing of this annual Report on Form 10-K and have determined that such disclosure controls and procedures are effective.
Subsequent to our evaluation, there were no significant changes in internal controls or other factors that could significantly affect internal controls, including any corrective actions with regard to significant deficiencies and material weaknesses.
|General                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
|Butler National Corporation (the "Company" or "BNC") is a Kansas corporation formed in 1960, with corporate headquarters at 19920 West 161st Street, Olathe, Kansas 66062.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|Current Activities.The Company's current product lines and services include:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|Aircraft Modifications - principally includes the modification of customer and company owned business-size aircraft from passenger to freighter configuration, addition of aerial photography capability, and stability enhancing modifications for Learjet, Beechcraft, Cessna, and Dassault Falcon aircraft along with other specialized modifications.  We provide these services through our subsidiary, Avcon Industries, Inc. ("Aircraft Modifications" or "Avcon").  Avcon also acquires, modifies and resells Aircraft, principally Learjets.                                                                                                                                                                                                                                                                                                                    
|Avionics - principally includes the manufacture, sale and service of airborne electronic switching units used in DC-9, DC-10, DC-9/80, MD-80, MD-90 and the KC-10 aircraft, Transient Suppression Devices (TSD's) for fuel tank protection on Boeing and other Classic aircraft using a Honeywell fuel quantity indicating system ("FQIS"), airborne electronics upgrades for classic weapon control systems used on military aircraft and vehicles, and consulting services with airlines and equipment manufacturers regarding fuel system safety requirements.  We provide the products through our subsidiary, Butler National Corporation - Tempe, Arizona and the services through Butler National Corporation - Olathe, Kansas ("Avionics", "Classic Aviation Products", "Safety Products", "Switching Units", or "WAI").                                         
|Gaming - principally includes business management services and advances to Indian tribes in connection with the Indian Gaming Regulatory Act of 1988.  We provide these advances through our subsidiary, Butler National Service Corporation ("Management Services", "Gaming" "IGC" or "BNSC").                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|SCADA (Supervisory Control and Data Acquisition) Systems and Monitoring Services - principally includes the monitoring of water and wastewater remote pumping stations through electronic surveillance for municipalities and the private sector and related repair services.  We provide these services through our subsidiary, Butler National Services, Inc. ("Monitoring Services" or "BNS").                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
|Temporary Services - provides temporary employee services for corporate clients.  We provide these services through our subsidiary, Butler Temporary Services, Inc. ("Temporary Services" or "BTS").                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
|Professional Services - provides as a management service licensed architectural and structural engineering services through our subsidiary, BCS Design, Inc.  These services include commercial and industrial building design, graphic representation, engineering and construction management.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
|Assets as of April 30, 2003 and Net Revenues for the year ended April 30, 2003.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
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|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         



|Regulations                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            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|Regulation Under Federal Aviation Administration:  The Company's Avionics and Modifications segments are subject to regulation by the Federal Aviation Administration ("FAA").  The Company manufactures products and parts under FAA Parts Manufacturing Authority (PMA) requiring qualification and traceability of all materials and vendors used by the Company.  The Company makes aircraft modifications pursuant to the authority granted by Supplemental Type Certificates issued by the FAA.  The Company repairs aircraft parts pursuant to the authority granted by its FAA Authorized Repair Station.  Violation of the FAA regulations could be detrimental to the Company's operation in these business segments.Licensing and Regulation under Indian Law:  Before commencing gaming operations (Class II or Class III) on Indian Land, the Company must obtain the approval of various regulatory entities.  Gaming on Indian Land is extensively regulated by Federal, State and Tribal governments and authorities.  Regulatory changes could limit or otherwise materially affect the types of gaming that may be conducted on Indian Land.  All aspects of the Company's proposed business operations on Indian Lands are subject to approval, regulation and oversight by the Bureau of Indian Affairs ("BIA"), the Secretary of the United States Department of the Interior ("Secretary") and the National Indian Gaming Commission ("NIGC").  The Company's proposed management of Class III gaming operations in Kansas and Oklahoma are also subject to approval of a Class III Gaming Compact between the Indian Tribe and the States of Kansas and/or Oklahoma.   Failure of the Company to comply with applicable laws or regulations, whether Federal, State or Tribal, could result in, among other things, the termination of any management agreements which would have a material adverse effect on the Company.  Management agreement terms are also regulated by the IGRA, which restricts initial terms to five years and management fees to 30% of the net profits of the casino, except in certain circumstances where the term may be extended to seven years and the management fee increased to 40%.  Management agreements with Indian Tribes will not be approved by the NIGC unless, among other things, background checks of the directors and officers of the manager and its ten largest holders of capital stock have been satisfactorily completed.  The Company will also be required to comply with background checks as specified in Tribal-State Compacts before it can manage gaming operations on Indian Land.  Background checks by the NIGC may take up to 180 days, and may be extended to 270 days by written notice to the Indian Tribe. There can be no assurance that the Company would be successful in obtaining the necessary regulatory approvals for its proposed gaming operations on a timely basis, or at all.Licensing and Regulation under Kansas Law:  Present and future shareholders of the Company are and will continue to be subject to review by regulatory agencies.  In connection with the Company's proposed operation of a Class III Shawnee Tribe casino or a Class III Miami Tribe casino in territorial boundaries of Kansas, the Company, the appropriate Indian Tribe and the key personnel of all entities may be required to hold Class III licenses approved in the respective state prior to conducting operations.  The failure of the Company or the key personnel to obtain or retain a license in these states could have a material adverse effect on the Company or on its ability to obtain or retain Class III licenses in other jurisdictions. Each such State Gaming Agency has broad discretion in granting, renewing and revoking licenses. Obtaining such licenses and approvals will be time consuming and cannot be assured. The State of Kansas has approved pari-mutuel dog and/or horse racing for non-Indian organizations.  The State of Kansas operates lottery and keno games for the benefit of the State.  There is no assurance that a Tribal/State Compact between the Tribes and the State of Kansas can be completed.  If the Compact is not approved, there could be a material adverse effect on the Company's plans for Class III gaming in Kansas.
As a condition to obtaining and maintaining a Class III license, the Company must submit detailed financial and other reports to the Indian Tribe and the respective regulatory Agency.  Any person owning or acquiring 5% or more of the Common Stock of the Company must be found suitable by the Agency, and the Agency has the authority to require a finding of suitability with respect to any shareholder regardless of the percentage of ownership.  If found unsuitable by the Agency or the Indian Tribe, the shareholder must offer all of the Ownership Interest held by such shareholder to the Company for cash at the current market bid price less a fifteen percent (15%) administrative charge and the Company must purchase such Interest within ten days of the offer.  The shareholder is required to pay all costs of investigation with respect to a determination of his/her suitability.  In addition, each member of the board of directors and certain officers of the Company are subject to a finding of suitability by the Agency and the Indian Tribe.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
|Financial Information about Industry Segments                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
|Information with respect to the Company's industry segments are found at Note12of Notes to Consolidated Financial Statements for the year ended April 30, 2003, located herein at page49.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
|Narrative Description of Business                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
|Aircraft Modifications:  Our subsidiary, Avcon, modifies business type aircraft in Newton, Kansas.  The modifications include aircraft conversion from passenger to freighter configuration, addition of aerial photography capability, stability enhancing modifications for Learjets, and other special mission modifications.  Avcon offers aerodynamic and stability improvement products for selected business jet aircraft.  Avcon makes these modifications on Company owned aircraft for resale and customer owned aircraft.
Sales of the Aircraft Modifications product line are handled directly through Avcon.  Specialty modifications are quoted individually by job.  The Company is geographically located in the marketplace for Aircraft Modifications products.  The Company believes there are two primary competitors (AAR of Oklahoma, and Raisbeck Engineering) in the industry in which the Aircraft Modifications division participates.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|The Aircraft Modifications business derives its ability to modify aircraft from the authority granted to it by the Federal Aviation Administration ("FAA").  The FAA grants this authority by issuing a Supplemental Type Certificate ("STC") after a detailed review of the design, engineering and functional documentation, and demonstrated flight evaluation of the modified aircraft.  The STC authorizes Avcon to build the required parts and assemblies under FAA Parts Manufacturing Authority ("PMA") and to make the installations on applicable customer-owned aircraft.
Avcon owns over 250 STC's.  When the STC is applicable to a multiple number of aircraft it is categorized as Multiple-Use STC.  These multiple-use STC's are considered a major asset of the Company.  Some of the Multiple-Use STC's include the Beechcraft Extended Door, Learjet AVCON FINS, Learjet Extended Tip Fuel Tanks, Learjet Weight Increase Package and Dassault Falcon 20 Cargo Door.
On May 3, 1996, Avcon received approval from the Federal Aviation Administration of a Supplemental Type Certificate ("STC") (no. ST00432WI) for its AVCON FIN Modification for installation on Learjet Model 35 and 36 Aircraft.  FAA pilots thoroughly evaluated the test aircraft, and determined that the fins substantially increase the aerodynamic stability in all flight conditions.  The AVCON FIN STC eliminates the operational requirement for Yaw Dampers which are otherwise required in both Learjet models to control adverse yaw tendencies in certain flight conditions, particularly during approach and landing.  Learjets equipped with AVCON FINS exhibit the same aerodynamic stability and improved operating efficiency offered on newer Learjet models, while maintaining the outstanding range, speed and load-carrying capabilities that made the Learjet Models 35 and 36 among the most popular Business Jets ever produced.  Mounted like the feathers of an arrow on the rear of the aircraft, Learjets equipped with AVCON FINS have a look much the same as the current production aircraft.  This modification will give the Learjets produced in the 1970's and 1980's the look of the 21st century. 
During fiscal year 2002, Avcon made application to the FAA for the approval of an STC for the Lear 20 RX MOD (including the fins, weight increase, and tip tank extensions) on the Learjet Model 24 and 25 aircraft.  This project is pending the completion of the Lear 20 RVSM MOD.  Completion of the Lear 20 RX MOD is expected in December 2003.
Effective January 2005, the FAA is requiring that all aircraft planning to operate between 29,000 and 41,000 feet within the United States air space be RVSM compliant.  RVSM stands for Reduced Vertical Separation Minimums and means that in the future aircraft will be separated 1,000 feet vertically instead of the current 2,000 feet.
During fiscal year 2003, Avcon made application to the FAA for the approval of the Lear 20 RVSM MOD (including dual pitot tubes, dual digital altimeters, dual air data computers, autopilot refinements and a standby altimeter) for the Learjet 20 series aircraft.  This RVSM package is expected to include the Learjet models 23, 24, 25, 28, and 29.  Completion of the Lear 20 RVSM MOD is expected in September 2003.  This is a joint development project with Bizjet of Tulsa, Oklahoma.  Avcon will supply RVSM kits to Bizjet.
During fiscal 2002, Avcon received approval of its FAA Authorized Repair Station and is accepting inspection and airframe repair business.  The focus of this repair station includes the Learjet model 20 and 30 series, Beechcraft King Air, Cessna turbine engine, Cessna multi-engine piston, and Dassault Falcon 20 aircraft.  The Repair Station is a convenience for our customers bringing aircraft in for modification and for maintenance of aircraft purchased for modification and for maintenance of aircraft purchased for modification and resale.  Avcon continues to provide maintenance services to its customers.Aircraft - Acquisition, Modification and Sales:  The Company through its Avcon subsidiary actively pursues and purchases airplanes, principally Learjets, modifies the planes and sells the planes directly to customers or receives a broker fee for finding a specific airplane.  Also, the Company owned aircraft are sometimes used to prove the design of the STC during the FAA approval process.  Upon completion of the STC product, they are offered for sale to Avcon customers and others.  The Company sold a Learjet in fiscal 1999 for $2,100,000 and another in fiscal 2002 for $1,425,000.  Customer Learjets and Company Learjets are currently being used in the approval process for the AVCON LR20 RVSM MOD and the AVCON LR20 RX MOD.  Avcon is currently searching for quality 20 and 30 series Learjets for modification and resale.Avionics - Switching Units: The Company has had various agreements with Douglas, McDonnell Douglas and Boeing Long Beach to manufacture and repair airborne switching systems for Boeing McDonnell Douglas and its customers.  The Company subcontracts with its wholly owned subsidiary, Butler National Corporation - Tempe, Arizona, (formerly Woodson Avionics, Inc.), for the manufacture and repair of Switching Units.  Switching Units are used to switch the presentation to the flight crew from one radio system to another, from one navigational system to another and to switch instruments in the aircraft from one set to another.  The Switching Units are designed and have been manufactured since the 1960's to meet Boeing McDonnell Douglas and FAA requirements.  Most McDonnell Douglas commercial aircraft are equipped with one or more Butler National Switching Units.
Marketing is accomplished directly between the Company and Boeing McDonnell Douglas.  Competition is minimal.  However, sales are directly related to Boeing McDonnell Douglas' production of DC-9, DC-10, DC9/80, MD-80, MD-90, MD-11 and KC-10 tanker aircraft.  The Boeing McDonnell Douglas contract was completed in fiscal 2000.  The customer stopped aircraft production in the year 2000. The impact on our business of stopping production will be minimal due to planning on this issue for many years.  The Company has received additional contracts from various repair facilities for these products, which has sustained our business.
Avionics provides new replacement units and overhaul service directly to the major airlines using the aircraft manufactured by McDonnell Douglas.  This part of the Avionics business segment is growing to offset the loss of sales from the original equipment units.
The Company sells to Boeing McDonnell Douglas on terms of 2% 10 days, net 30 days.  This means that the terms offered to this customer represent that if the entire invoice is paid within 10 days then there will be a 2% discount.  If not, then the total amount due is payable within 30 days.  Most payments have been and continue to be within terms.
The Company has ordinary course of business purchase orders from the commercial airlines and aircraft avionics upgrade suppliers for products with scheduled shipment dates into the fiscal year 2005.  However, should these customers financially reorganize or for some other reason not accept shipment against these orders, the Company could suffer significant loss of revenue.Avionics - Classic Aviation Products:  Our mission is to provide and support economical products for older aircraft, often referred to as "Classic" aircraft.  As a result of more than 35 years in the aircraft switching unit business, we recognize the need to support many aircraft in the last half of their expected service life.  We have adopted a business mission that promotes us as a designer and supplier of "Classic Aviation Products".  These Classic products are a part of our Avionics business segment.  A part of the Classic products are directed to supporting safety of flight for the older aircraft ("Safety Products").Avionics - Defense Contracting and Electronics:  Our Avionics and Modifications Segments supply defense and commercial aviation products to the various agencies of the Department of Defense and the Federal Aviation Administration.   We sell these products directly to the United States and/or to other Department of State approved governments, government contractors and suppliers.
This is both a service and manufacturing oriented business segment.  Engineering design and specialized manufacturing solutions are provided to maintain and update classic military and commercial aviation systems.  In general, we provide our customers the opportunity to update or extend the useful life of products with obsolete components and technology. These products include Gun Control Units (GCU) for the Apache Helicopter and other ordnance products, Hangfire Override Modules (HOM) for all Boeing derived Chain-Gun® cannons, and various ordnance related firing controls, cabling, and test equipment.
We have upgraded the design of the GCU including current components and expect to expand sales of the Butler National upgraded units to maintain the Apache fleet.  We do not have firm sales orders for large volumes of these products.  Therefore, our share of the market cannot yet be measured.Boeing 747 Classic Aircraft: We worked with Honeywell to design the Butler National Transient Suppression Device ("TSD").  The TSD is approved and certified by the Federal Aviation Administration ("FAA") under STC number ST00846SE and is owned, manufactured and marketed by us.  We sell the TSD to the owners and/or operators of Boeing 747 Classic aircraft with a Honeywell Fuel Quantity Indicating System ("FQIS").  The TSD is one solution to the requirements of AD 98-20-40 issued by the FAA to protect the aircraft fuel tanks from hazardous energy levels introduced through the wiring of the FQIS.  The AD was issued as a result of the TWA 800 accident in July 1996.  The industry had until November 3, 2001 to comply with AD 98-20-40.  All aircraft returned to service after that date must be in compliance.
There are approximately 400 Boeing 747 Classic aircraft with Honeywell FQIS.  The actual number of aircraft needing our TSD is hard to estimate because a number of these aircraft will be permanently removed from service, a number will have the FQIS system converted from the Honeywell system to a BF Goodrich digital or Smiths digital system, and a number will be protected by a Boeing/BF Goodrich protection device.  We believe that all of the other protection alternatives are more expensive than and not as easy to install as our TSD.
We started shipments of the Butler National Boeing 747 TSD in April 2001.  Since November 3, 2001, we have continued to provide TSD protection for the Boeing 747 Classic aircraft being returned to service.Boeing 737 Classic Aircraft:  We designed the Butler National Transient Suppression Device ("TSD") for the Boeing 737 Classic Aircraft.  On January 14, 2003, the B737 TSD was approved and certified by the Federal Aviation Administration ("FAA") under STC number ST01160SE.  We sell the TSD to the owners and/or operators of Boeing 737 Classic aircraft with an analog Fuel Quantity Indicating System ("FQIS").  The TSD is one solution to the requirements of AD 99-03-04 issued by the FAA to protect the aircraft fuel tanks from hazardous energy levels introduced through the wiring of the FQIS.  The AD was issued as a result of the TWA 800 accident in July 1996.  The industry had until March 9, 2003 to comply with AD 99-03-04.  All aircraft returned to service after that date must be in compliance.
There are approximately 1,000 Boeing 737 Classic aircraft in this market with an analog FQIS.  Estimating the volume of Butler National 737 TSD sales is subject to the same contingencies as described above under the Boeing 747 TSD.  We believe that all of the other protection alternatives are more expensive than and not as easy to install as our TSD.
We started shipping the Butler National Boeing 737 TSD in February 2003.  Since March 9, 2003, we have continued to provide TSD protection for the Boeing 737 Classic aircraft being inspected and returned to service.  The majority of these sales are to our international customers.SFAR-88, Fuel System Safety: The FAA issued a Special Federal Aviation Requirement ("SFAR") No. 88 titled "Fuel Tank System Fault Tolerance Evaluation Requirements" applicable to turbine-powered aircraft certified to carry 30 or more passengers or a certified payload capacity of 7,500 pounds or more.  We believe that SFAR-88 will open the market for Butler National designed TSD products to many more aircraft than the Boeing 747 and 737 Classics.  The initial compliance date for each operator to have a plan for meeting the requirements of the SFAR was December 6, 2002. The second compliance date to have each aircraft fuel system protected is June 7, 2004.
SFAR-88 requires protection for all systems that might provide an ignition source to the aircraft fuel tank system.  In general, we believe that this requirement will require protective devices on all aircraft parts using electrical power in the fuel system such as fuel pumps, fuel valves, float switches, etc.  To address this market, we have the TSD product line and we have applied to the FAA for an STC for a Ground Fault Interruption device ("GFI") for the Boeing 747 and 737 Classic aircraft.  The Butler National GFI product line will be sensitive to unusual power requirements of the electrical systems related to the fuel system.  The FAA has not yet issued the Airworthiness Directives related to the review of the operators' December 2002 plans for meeting the requirements of SFAR-88.  We have not determined the scope and size of this market. SFAR-92, Flight Deck Protection:As a result of the September 11, 2001 New York City disaster, the FAA issued Special Federal Aviation Regulation 92 ("SFAR 92") and amended existing regulations requiring additional aircraft flight deck protection in compliance with Part 25 of the Federal Aviation Regulations.  The regulations required full compliance by Part 25 aircraft operators by April 9, 2003.
On September 17, 2001, Butler National made application to the FAA for approval of two Aircraft Cockpit Shield ("ACS") STCs.  One STC is for Boeing 737 series and one is for the Douglas DC 9/MD80 series aircraft.  After considerable design and engineering work with the FAA and our customers, we determined the best interest of Butler National would be best served by reconsidering our options on the project.  We continue to receive customer inquiries about the ACS.  We are negotiating an arrangement with another cockpit door provider to resell their products to our international customers.
We have a number of additional STC applications on file with the FAA related to the Safety Products group, and are addressing the expected future requirements of SFAR-88/SFAR-92 related amendments and the Federal Aviation Regulations.Management Services:  BNSC is engaged in the business of providing management services to Indian tribes in connection with the Indian Gaming Regulatory Act of 1988.  The Company has three management agreements in place; however, the performance of these agreements is contingent upon and subject to approval by the Secretary of Interior, Bureau of Indian Affairs, National Indian Gaming Commission and the appropriate state, if required.  Also, the Company has signed consulting engagement letters with two tribes to study and develop plans for Indian gaming.  See Liquidity and Capital Resources, page17.
The Management Agreement between the Indian tribe (the owner and operator) and Butler National Service Corporation (the manager) is the final approval document issued by the National Indian Gaming Commission ("NIGC") before Indian gaming is authorized.  The Management Agreement or Contract is authorized and approved by the NIGC pursuant to the Indian Gaming Regulatory Act of 1988, PL 100-497, 102 Stat. 2467,25 U.S.C. 2701-2721 (sometimes referred to as "IGRA").  Before the Management Agreement is approved by the NIGC, all required contracts with other parties must be approved; including, (a) the compact with the state for Class III gaming, if applicable, (b) compliance with the requirements of the National Environmental Protection Agency ("NEPA"), (c) a Tribal Gaming Ordinance approved by the NIGC, and (d) Indian land leases, if applicable approved by the Bureau of Indian Affairs ("BIA"). 
The management consulting engagement letters provide for advances of funds to the Indian tribes by BNSC for professional services, fees, licenses, travel, administrative costs, documentation, procedure manuals, purchases of property and equipment and other costs related to the approval and opening of an establishment.  These advances are considered to be a receivable from the Tribe and to be repaid by the Tribe from the funding to open the enterprise. The ability to collect the funds related to these advances depends upon the opening of the establishment or in the alternative the liquidation of the inventory and receivable accumulated in the event the establishment is not opened.  However, if the collection and/or liquidation efforts are not successful, BNSC may suffer a significant loss of asset value.  See Liquidity and Capital Resources, page17.
Butler National Service Corporation is in the process of maintaining and obtaining the required licenses for the opening and operation of its existing and potential gaming establishments.  BNSC follows the law and regulations of the Indian Gaming Regulatory Act of 1988 and the state laws as they may apply.  At this time, BNSC does not foresee any substantial risks associated with maintaining and obtaining any required licenses needed to assist the Indian tribes.
During fiscal 1997, the Company received approval by the National Indian Gaming Commission of the management agreement between the Miami Tribe of Oklahoma, the Modoc Tribe of Oklahoma and its subsidiary, Butler National Service Corporation, to construct and manage a Class II (High Stakes Bingo) and Class III (Off-Track Betting) establishment.  Construction of this project, known as the STABLES, was completed and opened in September 1998.
The services to be provided by the Company include consulting and construction management for the Tribes.  The Company provided the necessary funds to construct the facilities and is being repaid the principal plus interest out of the profits of the operation.  The principal amount of $3.5 million carries an interest rate of prime plus 2%.  Additionally, the Company is receiving a 30% share of the profits for its management services.  The current management agreement expires in September 2003.  The Miami and the Modoc Tribes and Butler National Service Corporation (BNSC) have agreed to amend the agreement to extend the expiration date through September 2008 and to reduce the management fee from 30% to 20% of the profits beginning in October 2003.  At the end of the initial contract term, the Stables will have fully paid all advances by Butler National related to the construction of the Stables.  The amendment to the agreement is subject to approval by the NIGC.
The Princess Maria Casino, an Indian gaming establishment, started construction in 1999.  The Management Agreement between the Miami Tribe (the owner and operator) and Butler National Service Corporation (the Manager) originally filed in 1992 was approved January 7, 2000.  The State of Kansas has challenged the NIGC's and the BIA's determination of Indian land.  However, the Miami Tribe expects to eventually receive a favorable determination by the United States District Court for the District of Kansas.
The Shawnee 206 Casino, an Indian gaming establishment, is in the land clearing and approval phase under the terms of a 1992 consulting agreement between the Shawnee Tribe, the land owner members of the Shawnee Tribe and Butler National Service Corporation. 
The Company has other consulting agreements with other tribes and an NIGC approved Management Agreement with the Modoc Tribe for casino construction and openings scheduled after the opening of the Princess Maria and the Shawnee 206. 
The risk associated with advances of funds for assets and services on behalf of the tribes under the consulting agreements is that a Management Agreement will not be approved and the liquidation of the assets and related services does not recover enough funds to cover the advances.  The Company has been involved in this business segment since 1991 and has not experienced any project stopping determinations by the federal courts or the regulatory agencies.  All Management Agreements submitted for approval have been approved by the NIGC.  There can be no assurance that the current management agreements will continue in force, future management agreements will be approved and that Congress will not outlaw Indian gaming.  Should any of these events occur, the Company would choose alternative uses of the Indian land in cooperation with the Tribes to recover the advances to the Tribes.  There is no assurance that all advances could be recovered.Gaming Accountable to Kansans (GATK):  During the 2003 Kansas legislative session, we proposed to the Governor, the Kansas Senate and the Kansas House the possibility of state owned casino gaming.  The Senate Ways and Means Committee introduced Senate Bill No. 283 in support of state owned casino gaming.  The proposed model is structured like the Indian gaming model placing the State of Kansas in the same sovereign position as an Indian Tribe.  The state would receive a minimum of 70% of the profits and the management would be limited to 30%.  Senate Bill No. 283 is in committee and should be available for consideration in the 2004 Kansas legislative session.  We expect legislation regarding the state owned concept for gaming to be successful in Kansas in the 2004 or 2005 session.  We plan to propose to be the manager of one or more of the GATK casinos.  However, there is no assurance that the State of Kansas will adopt the appropriate legislation or that BNSC will be selected as the manager.SCADA Systems and Monitoring Services:  BNS is engaged in the sale of monitoring and control equipment and the sale of monitoring services for water and wastewater remote pumping stations through electronic surveillance by radio or telephone.  BNS contracts with government and private owners of water and wastewater pumping stations to provide both monitoring and preventive maintenance services for the customer.
We expect a high percentage of BNS business to come from municipally owned pumping stations.  Currently, BNS is soliciting business in Florida only.  While the Company has exposure to competitive forces in the monitoring and preventive maintenance business, management believes the competition is limited.Temporary Services:  BTS provides managed temporary personnel to corporate clients to cover personnel shortages on a short and/or long term basis.  This service is being marketed in Kansas and Missouri.  Currently, this Company is inactive.  BTS plans to provide contract staffing for the Princess Maria establishment and other gaming establishments.Professional Services:  We provide as a management service licensed architectural and structural engineering services through our subsidiary, BCS Design, Inc.  These services include commercial and industrial building design, graphic representation, engineering and construction management.Raw Materials:  Raw materials used in the Company's products are currently available from several sources.  Certain components, used in the manufacture of the Switching Units, are long lead time components and are single sourced.  There is some risk that these components would no longer be available and cause production delays.Patents:  There are no patents, trademarks, licenses, franchises, or concessions held by us that need to be held to do business other than the FAA, PMA and Repair Station licenses.  However, we maintain certain airframe alteration certificates, commonly referred to as Supplemental Type Certificates ("STC's"), issued to us by the FAA, for the Aircraft Modification and Avionics businesses.  The STC, PMA and Repair Station licenses are not patents or trademarks.  The FAA will issue an STC to anyone, provided that the person or entity documents and demonstrates to the FAA that a change to an aircraft configuration does not endanger the safety of flight.  The PMA and Repair Station licenses are available to any person or entity, provided that the person or entity maintains the appropriate documentation and follows the appropriate manufacturing, repair and/or service procedures.  The FAA requires the aircraft owner to have the STC document in the aircraft log after each modification is complete.Seasonality:  Our business is generally not seasonal. Demand for the Falcon 20 cargo aircraft modifications is related to seasonal activity of the automotive industry in the United States.  Many of these modified aircraft are used to carry automotive parts to automobile manufacturing facilities. The peak modification demand occurs in late spring and early summer.  Peak usage of the modified aircraft is from June to December.  Future changes in the automotive industry could result in the fluctuation of revenues at the Aircraft Modifications division.Customer Arrangements:  Most of our products are custom-made.  Except in isolated situations no special inventory-storage arrangements, merchandise return and allowance policies, or extended payment practices are involved in the Company's business.  We are not dependent upon any single customer except for Switching Units.  Switching Units are sold to Boeing McDonnell Douglas and Douglas Aircraft Company customers.  We have required deposits from our customers for aircraft modification production schedule dates.  We generally collect full payment for services before the modified aircraft are released to the customer.
|Backlog:  Our backlog as of April 30, 2003, 2002, and 2001, was as follows:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    

| | Industry Segment       | 2003           | 2002           | 2001          
| | ---------------------- | -------------- | -------------- | --------------
| | Aircraft Modifications | 1,059,000      | 1,344,800      | 1,303,000     
| | Avionics               | 1,242,075      | 2,123,700      | 1,719,002     
| | Monitoring Services    | 1,749,354      | 2,283,100      | 226,714       
| | Management Services    | 398,071        | 15,200         | 75,390        
| |                        | -------------- | -------------- | --------------
| | Total backlog          | $4,448,500     | $5,766,800     | $3,324,106    

|Our backlog as of July 11, 2003 totaled $7,238,410; consisting of $2,758,400, $2,622,433, $1,569,506 and $288,071 respectively, for Aircraft Modifications, Avionics, Monitoring Services, and Management Services  The backlog includes firm orders, which may not be completed within the next fiscal year.  Backlog that we expect not to be delivered within the next fiscal year totals $789,822; consisting of $0, $177,760, $500,000, and $112,062.  This is standard for the industry in which modifications and related contracts may take several months or years to complete.  Such actions force backlog as additional customers request modifications, but must wait for other projects to be completed.  There can be no assurance that all orders will be completed or that some may be commenced.Employees:  We employed 58 people on April 30, 2003 compared to 51 people on April 30, 2002, and 56 people on April 30, 2001. As of July 11, 2003, we employed 61 people.  None of our employees are subject to any collective bargaining agreements.Financial Information about Foreign and Domestic Operations, and Export Sales:Information with respect to Domestic Operations may be found atNote 12of Notes to Consolidated Financial Statements for the year ended April 30, 2003, located herein at page49.  There are no foreign operations.  Title passes on product sales to the customer in the USA.
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

|Item 2.  PROPERTIES                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|Our corporate headquarters are located in a 9,000 square foot owned facility for office and storage space at 19920 West 161st Street, in Olathe, Kansas.  The facilities are adequate for current and anticipated operations.
Our Company's Aircraft Modifications Division is located at the municipal airport in Newton, Kansas, in facilities occupied under a long-term lease that extended through March 31, 2003, at an annual rent of $73,860.  The lease is renewable for an additional five-year term, however it has not been renewed at this time.  We are currently negotiating new terms for this lease.  These facilities are adequate for current and anticipated operations.
Our wholly owned subsidiary, Butler National Services, Inc. has its principal offices in Ft. Lauderdale, Florida, in facilities occupied under a three-year lease ending March 31, 2005.  The annual rental is approximately $32,240 for fiscal year 2004.  The facilities are adequate for current and anticipated operations.
Our wholly owned subsidiary, Butler National Corporation - Tempe, Arizona (formerly Woodson Avionics, Inc.), has its principal offices and manufacturing operations in Tempe, Arizona.  As of January 1, 2003, the Company rents, with an option to buy, 16,110 square feet of space for $6,000 per month.  The lease expires November 30, 2004.  The facilities are adequate for current and anticipated operations.                   
|Item 3.  LEGAL PROCEEDINGS                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|A lawsuit was filed in the United States District Court for the District of Kansas by the State of Kansas against us, the United States, the Business Committee members of the Miami Tribe and others on October 14, 1999, challenging the determination by the Department of the Interior and the United States District Court for the District of Kansas that the Miami Princess Maria Reserve No. 35 is Indian Land.  The State of Kansas requested an order by the Court preventing further development of gaming on the Indian land.
The question in the case has been remanded to the NIGC and the BIA for further review.  All of the defendants believe the determination of Indian land is a power reserved for the United States by the Constitution of the United States.  The NIGC has not made a further determination on the question.  The Miami Tribe expects to eventually receive a favorable determination by the United States District Court for the District of Kansas.
As of July 11, 2003, there are no other significant known legal proceedings pending against the Company.  The Company considered all such unknown proceedings, if any, to be ordinary litigation incident to the character of the business.  The Company believes that the resolution of those unknown claims will not, individually or in the aggregate, have a material adverse effect on the financial position, results of operations, or liquidity of the Company.
|Item 4.  SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
|The Company did not submit any matter to a vote of its security holders during the fourth quarter of fiscal 2003.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    

|PART II                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|Item 5.  MARKET FOR THE REGISTRANT'S COMMON STOCK AND RELATED STOCKHOLDER 	MATTERS                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
|COMMON STOCK (BUKS):                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|(a)   	Market Information:  The Company was initially listed in the national over-the-counter market in 1969, 	under the symbol "BUTL."  Effective June 8, 1992, the symbol was changed to 'BLNL.'  On February 24, 	1994, the Company was listed on the NASDAQ Small Cap Market under the symbol "BUKS."   The 	Company's common stock was delisted from the small cap category effective January 20, 1999 and is now 	quoted in the over-the-counter (OTCBB) category.  Approximately fifteen (15) market makers offer and trade 	the stock.  NASDAQ was considering a change from the over-the-counter listing system to the Bulletin Board 	Exchange (BBX) system but has since discontinued that action in June 2003.

The range of the high and low bid prices per share of the Company's common stock, for fiscal years 2003 and 	2002, as reported by NASDAQ, is set forth below.  Such market quotations reflect intra-dealer prices, without 	retail mark-up, markdown or commissions, and may not necessarily represent actual transactions.
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       





|               | Year Ended
April 30, 2003 |      | Year Ended
April 30, 2002
|-------------- | ------------------------- | ---- | -------------------------
|               |                           | Low  |                          
|First Quarter  | $                         | .110 | $                        
|Second Quarter | $                         | .110 | $                        
|Third Quarter  | $                         | .100 | $                        
|Fourth Quarter | $                         | .170 | $                        

|Holders:  The approximate number of holders of record of the Company's common stock, as of July 11, 2003, 	was 2,900.
Dividends:  The Company has not paid any cash dividends on its common stock, and the Board of Directors 	does not expect to declare any cash dividends in the foreseeable future.
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|SECURITIES CONVERTIBLE TO COMMON STOCK:                                                             
|----------------------------------------------------------------------------------------------------
|As of July 11, 2003 there were no Convertible Preferred or Convertible Debenture shares outstanding.

|Item 6.  SELECTED FINANCIAL DATAThe information set forth below should be read in conjunction with "Management's Discussion and Analysis of Results of Operations and Financial Condition" and with the Consolidated Financial Statements and related Notes included elsewhere in the report.
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |                                               | Year Ended April 30
(In thousands except per share data)
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | --------------------------------------------- | --------------------------------------------------------
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |                                               | 2003                                                    
|Net Sales                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                | $                                             | 6,285                                                   
|Income (Loss) from Continuing Operations                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |                                               | 27                                                      
|Income (Loss) from/on Discontinued Operations                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |                                               | -                                                       
|Net Income (Loss)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        | $                                             | 27                                                      
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |                                               |                                                         
|Basic Per Share                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |                                               |                                                         
|Income (Loss) from Continuing Operations                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 | $                                             | 0.00                                                    
|Income (Loss) from/on Discontinued Operations                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |                                               | -                                                       
|Net Income (Loss)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        | $                                             | 0.00                                                    
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |                                               |                                                         
|Selected Balance Sheet Information                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |                                               |                                                         
|Total Assets                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             | $                                             | 9,247                                                   
|Long-term Obligations (excluding current maturities)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     | $                                             | 1,660                                                   
|Cash dividends declared per common share                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |                                               | None                                                    
|Item 7.  MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|Results of Operations                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|Fiscal 2003 compared to Fiscal 2002The Company's sales for fiscal 2003 were $6,284,828, a decrease of 30.4% from fiscal 2002 sales of $9,028,762.  Discussion of specific changes by operation follows.Aircraft Modification:  Sales from the Aircraft Modifications business segment including modified aircraft decreased 37.3% from $4,256,197 in fiscal 2002, to $2,668,396 in 2003.  Sales for aircraft repair and refurbishment decreased 6%, from fiscal 2002 to fiscal 2003.  This segment had an operating loss of $191,396 in 2003, compared to a $6,992 loss in 2002.  Included in the operating losses are corporate engineering and management charges of $240,000 related to STC development for Lear 20 RVSM STC and other STC development projects.Avionics:  Sales from the Avionics business segment decreased 58.9%, from $2,495,547 in fiscal 2002, to $1,025,222 in fiscal 2003.  This decrease is directly related to the sales of the Butler National Transient Suppression Device (TSD) for the Boeing 747 Classic aircraft.  Sales of switching units to the major OEM customer decreased due to the phase out schedule of this type of aircraft.  Operating profits decreased from $646,437 in fiscal 2002 to a loss of $3,194 in fiscal 2003. Management expects this business segment to increase in future years due to the addition of new TSD products and defense products.SCADA Systems and Monitoring Services:  Revenue from Monitoring Services decreased from $1,199,853 in fiscal 2002 to $1,125,106 in fiscal 2003, a decrease of 6.2%.  During fiscal 2003, the Company maintained a relatively level volume of long-term contracts with municipalities.  Revenue fluctuates due to the introduction of new products and services and the related installations of these products.  The Company's contracts with its two largest customers have been renewed for fiscal 2004.  An operating profit of $14,997 in Monitoring Services was recorded in fiscal 2003, compared to a fiscal 2002 profit of $2,701.
The Company believes the service business of this segment will continue to grow at a moderate rate.  This segment has experienced general stability over the past few years and the Company expects this trend to continue.Temporary Services:  BTS provides managed temporary personnel to corporate clients to cover personnel shortages on a short and/or long term basis.  Currently, this Company is inactive.  BTS plans to provide contract staffing for the Princess Maria establishment.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Management Services                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
|-General-                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|The Company has advanced and invested a total of $8,193,749 in land, land improvements, professional design fees and other consulting and legal costs related to the development of Indian Gaming facilities.  Included in these advances and investments are lands and other areas located adjacent to residential developments.  The Company believes that these tracts could be developed and sold for residential and commercial use, other than Indian gaming, if the gaming enterprises do not open.  Additional improvements, including access roads, water and sewer services, etc. are planned for these lands.  After these improvements, these lands may be sold in small tracts.  This would allow the Company to recover the majority, if not all, of the land investments and other gaming costs.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
|-Princess Maria Casino-                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|The Company has a management agreement with the Miami Tribe to provide management services to the Miami Tribe.  On July 9, 1992, the Tribe requested a compact with the State of Kansas for Class III Indian gaming, on Indian land, known as the Maria Christiana Miami Reserve No. 35, located in Miami County, Kansas.
The Miami Tribe's 1992 compact was the subject of a lawsuit filed in February 1993, in the Federal District Court, by the Miami Tribe, alleging the failure to negotiate a compact in good faith by the State of Kansas.  The United States District Court dismissed the Miami Tribe's suit against the State of Kansas, citing the United States Supreme Court's ruling in Seminole v. State of Florida.  The Supreme Court ruled that the "failure to negotiate" provision of the IGRA did not allow an Indian tribe to compel a state by litigation to negotiate a compact.
In February 1993, then Kansas Governor Finney requested a determination of the suitability of the Miami Indian land for Indian Gaming, under the IGRA, from the Bureau of Indian Affairs (the "BIA").  In May 1994, the NIGC again requested the same determination.  Finally in May 1995, an Associate Solicitor within the BIA issued an opinion letter stating that the Miami Tribe has not established jurisdiction over the Miami land in Kansas.  This was the first definitive statement received from the central office of the BIA in three years.  The latest opinion is contrary to a September 1994 opinion of the Tulsa Field Solicitor, in an Indian probate, stating that the Miami Tribe has jurisdiction over the Miami Indian land in Kansas.  On July 11, 1995, the U.S. Department of Justice issued a letter to the Associate Solicitor expressing concern about the conclusions reached, based upon the analysis of the case.
The Miami Tribe challenged this opinion in Federal Court.  To prove and protect the sovereignty of the Miami Tribe, and other Indian tribes, relating to their lands, on April 11, 1996, the Court ruled that the Miami Tribe did not have jurisdiction because the BIA had not approved the Tribal membership of the Princess Maria heirs, at the time the management agreement was submitted; therefore, the Court ordered that the NIGC's determination (that Reserve No. 35 is not "Indian land", pursuant to IGRA) was affirmed.  However, the Court noted in its ruling that nothing precludes the Tribe from resubmitting its management agreement to the NIGC, along with evidence of the current owners' consent, and newly adopted tribal amendments.  On February 22, 1996, the BIA approved the Miami Tribe's constitution and the membership of the heirs.  The Tribe resubmitted the management agreement.  Although the Court noted that the Tribe could resubmit the management agreement, the Court did not pass on whether or not a new submission will obtain approval.
The Tribe resubmitted the management agreement and land question to the NIGC in June 1996.  In July 1996, the NIGC again requested an opinion from the BIA.  On July 23, 1997, the Tribe and the Company were notified that the BIA had again determined that the land was not suitable for gaming, for political policy reasons, without consideration of the membership in the Miami Tribe or recent case law, and the NIGC had to again deny the management agreement.  The Tribe filed a suit in the United States District Court in Kansas City, Kansas.  On May 15, 1998, the Court determined that the land may be suitable for gaming and remanded the case to the BIA for the documentation.  Therefore, even though the Company and the Tribe believe the BIA and NIGC will agree that the land is "Indian land", and in compliance with all laws and regulations, for a variety of reasons, there is no assurance that the Management Agreement will be approved.  Subsequent to April 30, 1998, the NIGC approved the management agreement on January 7, 2000.  Under the Management Agreement, as approved, the Company, as manager, is to receive a 30% share of the profits and reimbursement of development costs.
The total advances and investment related to the Princess Maria at April 30, 2003, was $884,753.  This amount is net of a reserve of $1,413,511, which represents the current net realizable value of the advanced receivable.
A lawsuit was filed in the United States District Court for the District of Kansas by the State of Kansas against us, the United States, the Business Committee members of the Miami Tribe and others on October 14, 1999, challenging the determination by the Department of the Interior and the United States District Court for the District of Kansas that the Miami Princess Maria Reserve No. 35 was Indian Land.  The State of Kansas requested an order by the Court preventing further development of gaming on the Indian land.
The question in the case has been remanded to the NIGC and the BIA for further review.  All of the defendants believe the determination of Indian land is a power reserved for the United States by the Constitution of the United States.  The NIGC has not made a further determination on the question.  The Miami Tribe expects to eventually receive a favorable determination by the United States District Court for the District of Kansas.
|-Stables Bingo and Off-Track Betting-                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|The Company has a signed Management Agreement with the Miami and Modoc Tribes.  A Class III Indian Gaming Compact for a joint venture by the Miami and Modoc Tribes, both of Oklahoma, has been approved by the State of Oklahoma and by the Assistant Secretary, Bureau of Indian Affairs for the U.S. Department of the Interior.  The Compact was published in the Federal Register on February 6, 1996, and is, therefore, deemed effective. The Compact authorizes Class III (Off-Track Betting "OTB") along with Class II (high stakes bingo) at a site within the City of Miami, Oklahoma.  The Stables opened in September 1998.
The Company is providing consulting and construction management services in the development of the facility and manages the joint-venture operation for the tribes.  The STABLES facility was expanded in April 2002 to approximately 30,000 square feet and is located directly south of the Modoc Tribal Headquarters building in Miami.  The complex contains off-track betting windows, a bingo hall, bar and a restaurant.  The Company's Management Agreement was approved by the NIGC on January 14, 1997.  Under the Management Agreement, as approved, the Company, as manager, is to receive a 30% share of the profits and reimbursement of development costs.  The current management agreement expires in September 2003.  The Miami and the Modoc Tribes and Butler National Service Corporation (BNSC) have agreed to amend the agreement to extend the expiration date through September 2008 and to reduce the management fee from 30% to 20% of the profits beginning in October 2003.  At the end of the initial contract term, the Stables will have fully paid all advances by Butler National related to the construction of the Stables.  The amendment to the agreement is subject to approval by the NIGC.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|-Shawnee Reserve No. 206-                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|In 1992, the Company signed a consulting agreement and has maintained a business relationship with approximately seventy Indian and non-Indian heirs (the "Owners") of the Newton McNeer Shawnee Reserve No. 206 ("Shawnee Reserve No. 206").  This relationship includes advances for assistance in the defense of the property against adverse possession (by one family member) in exchange for being named the manager of any Indian gaming enterprises that may be established on the land.  As a result of the Company's assistance, the Owners are in the process of becoming the undisputed beneficial owners of approximately 72 acres of the Shawnee Reserve No. 206, as ordered by the United States District Court for the District of Kansas.  The Company has advanced funds to purchase an additional 9 acres contiguous to the Indian land providing access.
Shawnee Reserve No. 206 has been a part of the Shawnee Reservation in Kansas Territory since 1831 and was reserved as Indian land and not a part of the State of Kansas, when Kansas became a state in 1861.  The Indian land is approximately 25 miles southwest from downtown Kansas City, Missouri.
The Company maintains a relationship and has a consulting agreement to assist with the proposed establishment.  This agreement is signed by the owners and the Shawnee Tribe.  The Shawnee Tribe is a federally recognized tribe.  The Indian Owners of Shawnee Reserve No. 206 have federal Indian membership cards.
The Company believes that there is a significant opportunity for Indian gaming on the Shawnee Reserve No. 206.  However, none of the above agreements have been approved by the BIA, or the NIGC, or any other regulatory authority.  There can be no assurance that these or future agreements will be approved nor that any Indian gaming will ever be established on the Shawnee Reserve, or that the Company will be the Management Company.
The total advances and investment related to Shawnee Reserve No. 206 at April 30, 2003, was $888,044.  This amount is net of a reserve of $849,222, which represents the current net realizable value of the advanced receivable.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|-Modoc Bingo-                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|The Company signed a consulting agreement with the Modoc Tribe on April 21, 1993.  As a part of this project, the Company has a management agreement with the Modoc Tribe to construct and operate an Indian gaming facility on Modoc Reservation lands in Eastern Oklahoma.  The Management Agreement was filed with the NIGC on June 7, 1994 for review and approved on July 11, 1997.  The Tribe and the Company have not determined a schedule for this project.
The total advances and investment related to the Modoc Tribe at April 30, 2003, was $148,336.  This amount is net of a reserve of $337,436, which represents the current net realizable value of the advanced receivable.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|Professional Services:  We provide as a management service licensed architectural and structural engineering services through our subsidiary, BCS Design, Inc.  These services include commercial and industrial building design, graphic representation, engineering and construction management.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
|Selling, General and Administrative (SG&A):  Expenses decreased $4,564 or 0.2% in fiscal year 2003.  These expenses were $2,437,095, or 38.8% of revenue, in fiscal 2003, and $2,447,519, or 27% of revenue in fiscal 2002.Other Income (Expense): Other expense decreased from $150,822 in fiscal 2002 to $119,058 in fiscal 2003.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
|Fiscal 2002 compared to Fiscal 2001The Company's sales for fiscal 2002 were $9,028,762, an increase of 50.3% from fiscal 2001 sales of $6,008,963.  Discussion of specific changes by operation follows.Aircraft Modification:  Sales from the Aircraft Modifications business segment increased 29.4% from $3,288,669 in fiscal 2001, to $4,256,197 in 2002.  Modified aircraft sales were $1,425,000 in the second quarter.  This segment had an operating profit of $6,992 in 2002, compared to a $57,525 profit in 2001.Avionics:  Sales from the Avionics business segment increased 142%, from $1,030,445 in fiscal 2001, to $2,495,547 in fiscal 2002.  This increase is directly related to the sales of the Butler National Transient Suppression Device (TSD) for the Boeing 747 Classic aircraft.  Sales of switching units to the major OEM customer decreased due to the phase out schedule of this type of aircraft.  Sales for aircraft repair and refurbishment decreased 14%, from fiscal 2001 to fiscal 2002.  Operating profits increased from $187,431 in fiscal 2001 to $646,437 in fiscal 2002. Management expects this business segment to continue to increase in future years due to the additional new TSD products.SCADA Systems and Monitoring Services:  Revenue from Monitoring Services increased from $1,135,804 in fiscal 2001 to $1,199,853 in fiscal 2002, an increase of 5.6%.  During fiscal 2002, the Company maintained a relatively level volume of long-term contracts with municipalities.  Revenue fluctuates due to the introduction of new products and services and the related installations of these products.  The Company's contracts with its two largest customers have been renewed for fiscal 2002.  An operating gain of $2,701 in Monitoring Services was recorded in fiscal 2002, compared to a fiscal 2001 loss of $9,644.
The Company believes the service business of this segment will continue to grow at a moderate rate.  This segment has experienced general increases over the past few years and the Company expects this trend to continue.Temporary Services:  BTS provides managed temporary personnel to corporate clients to cover personnel shortages on a short and/or long term basis.  This service is being marketed in Kansas and Missouri.  Currently, this Company is inactive.  BTS plans to provide contract staffing for the Princess Maria establishment.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|Selling, General and Administrative (SG&A):  Expenses increased $109,631 4.4% in fiscal year 2002.  These expenses were $2,447,519, or 27.0% of revenue, in fiscal 2002, and $2,337,889, or 38.9% of revenue in fiscal 2001.Other Income (Expense): Other expense increased from $147,963 in fiscal 2001 to $150,822 in fiscal 2002.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
|Liquidity and Capital ResourcesBorrowed funds have been used primarily for working capital.  Bank (Industrial State Bank) debt related to the Company's operating line was $380,481 at April 30, 2003, and $268,049 at April 30, 2002.
The Company's unused line of credit at April 30, 2003 was $119,519.  As of July 11, 2003, the Company's unused line of credit was $256,926.  The Company's line of credit is $500,000.  The interest rate on the Company's line of credit is prime plus two (with a floor of 7.0%).  As of July 11, 2003, the interest rate is 7.0%.
The Company plans to continue using the promissory notes-payable to fund working capital.  The Company believes the extensions will continue and does not anticipate the repayment of these notes in fiscal 2004.  The extensions of the promissory notes-payable is consistent with prior years.  If the Bank were to demand repayment of all notes-payable the Company currently does not have enough cash to pay off the notes without materially adversely affecting the financial condition of the Company.
The Company does not, as of April 30, 2003, have any material commitments for other capital expenditures other than under the terms of the Indian gaming Management Agreements.  Depending upon the development schedules, the Company will need additional funds to complete its currently planned Indian gaming opportunities.  The Company will use current cash available as well as additional funds, for the start up and construction of gaming facilities.  The Company anticipates initially obtaining these funds from internally generated working capital and borrowings.  After a few gaming facilities become operational, gaming operations will generate additional working capital for the start up and construction of other gaming facilities.  The Company expects that its start up and construction financing of gaming facilities will be replaced by other financial lenders, long term financing through debt issue, or equity issues.Analysis of Cash FlowDuring fiscal 2003, the Company's cash position increased by $21,105.  A majority of the cash flow in fiscal 2003 is due to tight controls on operating activities.
Investing Activities: The $842,272decrease in the note receivable are payments under the note from the Stables bingo facility.  The remaining cash used in investing activities is due to the use of approximately $70,687 related to the development of Indian gaming and approximately $47,363 to purchase tooling and equipment at Modifications and Services.
Financing Activities: The cash used in financing activities was a reduction of debt of $414,812.Revenue RecognitionThe Company performs aircraft modifications under fixed-price contracts.  Revenues from fixed-price contracts are recognized on the percentage-of- completion method, measured by the direct labor costs incurred compared to total estimated direct labor costs.  Revenue is recorded on all other products upon delivery to the customer.Changing Prices and InflationThe Company did not experience any significant pressure from inflation in 2003.Off-Balance Sheet ArrangementsThe Company does not have any off-balance sheet arrangements.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|Tabular Disclosure of Contractual Obligations                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 | Payments Due By Period
(Dollars in thousands)
|Contractual Obligations                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |                                               | Total                                                   
|Long-Term Debt    Obligations                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            | $                                             | 2,103                                                   
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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |                                               |                                                         
|Capital Lease         Obligations                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        | $                                             | 14                                                      
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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |                                               |                                                         
|Operating Lease     Obligations                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          | $                                             | 179                                                     
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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |                                               |                                                         
|Purchase                Obligations                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      | $                                             | 0                                                       
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |                                               |                                                         
|Other Long-Term Liabilities Reflected on the Registrant's    Balance Sheet     Under GAAP                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                | $                                             | 0                                                       
|TOTAL                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    | $                                             | 2,296                                                   

|Item 7(a).  QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK                                                                                                                                                                                                                                                                                                                                               
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|Interest Rate Sensitivity                                                                                                                                                                                                                                                                                                                                                                                            
|The table below provides information about the Company's other financial instruments that are sensitive to changes in interest rates including debt obligations.
For debt obligations, the table presents principal cash flows and related weighted average interest rates by expected maturity dates.  Weighted average variable rates are based on implied forward rates based upon the rate at the reporting date.
|Expected Maturity Date
(Dollars in thousands)                                                                                                                                                                                                                                                                                                                                                                        
|                                                                                                                                                                                                                                                                                                                                                                                                                     
|Assets                                                                                                                                                                                                                                                                                                                                                                                                               
|Note receivable:                                                                                                                                                                                                                                                                                                                                                                                                     
|Variable rate
	Average interest rate                                                                                                                                                                                                                                                                                                                                                                                 
|Liabilities                                                                                                                                                                                                                                                                                                                                                                                                          
|Long-term debt:                                                                                                                                                                                                                                                                                                                                                                                                      
|Variable rate
	Average interest rate                                                                                                                                                                                                                                                                                                                                                                                 

|Item 8.  FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA                                         
|---------------------------------------------------------------------------------------------
|The Financial Statements of the Registrant are set forth on pages31 through 52of this report.
|Item 9.  CHANGES IN AND DISAGREEMENTS ON ACCOUNTING AND FINANCIAL DISCLOSURE                 
|The Company has had no changes in or disagreements with the accountants.                     

|PART III                                                                                                                                                                                                                                          
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|Item 10.  DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANTThe names and ages of the directors, their principal occupations for at least the past five years are set forth below, based on information furnished to the Company by the directors.
|Name of Nominee and Director and Age                                                                                                                                                                                                              
|Clark D. Stewart 
(63)                                                                                                                                                                                                                            
|R. Warren Wagoner
(51)                                                                                                                                                                                                                            
|William E. Logan
(65)                                                                                                                                                                                                                             
|William A. Griffith
(56)                                                                                                                                                                                                                          
|David B. Hayden
(57)                                                                                                                                                                                                                              

|The executive officers of the Company are elected each year at the annual meeting of the Board of Directors held in conjunction with the annual meeting of shareholders and at special meetings held during the year.  The executive officers are as follows:
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|Name                                                                                                                                                                                                                                                         
|R. Warren Wagoner                                                                                                                                                                                                                                            
|Clark D. Stewart                                                                                                                                                                                                                                             
|Christopher J. Reedy                                                                                                                                                                                                                                         
|William A. Griffith                                                                                                                                                                                                                                          
|Angela D. Seba                                                                                                                                                                                                                                               
|Kathy L. Gorrell                                                                                                                                                                                                                                             
|Larry W. Franke                                                                                                                                                                                                                                              
|Jon C. Fischrupp                                                                                                                                                                                                                                             
|Jeffrey H. Shinkle                                                                                                                                                                                                                                           

|R. Warren Wagoner was General Manager, Am-Tech Metal Fabrications, Inc. from 1982 to 1987.  From 1987 to 1989, Mr. Wagoner was President of Stelco, Inc.  Mr. Wagoner was Sales Manager for Yamazen Machine Tool, Inc. from March 1992 to March 1994.  Mr. Wagoner was President of the Company from July 26, 1989, to September 1, 1989.  He became Chairman of the Board of the Company on August 30, 1989.                                                                                                                                                                                                                                    
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|Clark D. Stewart was President of Tradewind Industries, Inc., a manufacturing company, from 1979 to 1985. From 1986 to 1989, Mr. Stewart was Executive Vice President of RO Corporation.  In 1980, Mr. Stewart became President of Tradewind Systems, Inc.  He became President of the Company in September 1989.                                                                                                                                                                                                                                                                                                                                
|Christopher J. Reedy worked for Colantuono & Associates, LLC from 1997 to 2000 in the area of aviation, general business and employment counseling, and from 1995 to 1997 with the Polsinelli, White firm.  He was involved in aviation product development and sales with Bendix/King, a division of AlliedSignal, Inc. from 1988 through 1993.  Mr. Reedy joined the Company in November 2000.                                                                                                                                                                                                                                                 
|William A. Griffith was Chief Executive Officer of Southwest Medical Center (hospital) from 1981 to 1984. Mr. Griffith was a management consultant for Health Pro from 1984 to 1986 and for Diversified Health Companies from 1986 to 1989.  Mr. Griffith has been President of Griffith and Associates, management consulting, since 1984. Mr. Griffith became Secretary of the Company in 1992.                                                                                                                                                                                                                                                
|Angela D. Seba was the controller of A&M products, a subsidiary of First Brands Corporation from 1995 to 1998.  From 1998 to 2000 Ms. Seba was a Senior Business Systems Analyst for Black & Veatch of Kansas, the largest privately held engineering firm in the United States.  Ms. Seba was the CFO of Peerless Products, Inc. a manufacturer of customized windows from 2000 to 2001.  Ms. Seba joined the Company in October 2001.                                                                                                                                                                                                          
|Kathy L. Gorrell was Assistant Cashier at Weslayan Bank in Houston, Texas from 1983 to 1985 and then at Spring National Bank in Spring, Texas from 1985 to 1987.  Ms. Gorrell was a building IT coordinator with the Kansas USD #233 before joining the Company in February 1997 as a special projects coordinator.  Ms. Gorrell became Treasurer and Chief Information Officer of the Company in February 1998.                                                                                                                                                                                                                                 
|Larry W. Franke was Vice President and General Manager of Kansas City Aviation Center from 1984 to 1992. From 1993 to 1994 he was Vice President of Operations and Sales for Marketlink, an aircraft marketing company. Mr. Franke joined the Company in July 1994 as Director of Marketing and was promoted in August 1995 to Vice President of Operations and Sales.  Mr. Franke is currently Vice President of Aircraft Modifications at Avcon.                                                                                                                                                                                               
|Jon C. Fischrupp was President of Lauderdale Services, Inc. ("LSI") from June 14, 1978, until May 1, 1986, at which time the Company acquired LSI and he became President of LSI (now known as Butler National Services, Inc.).                                                                                                                                                                                                                                                                                                                                                                                                                  
|Jeffrey H. Shinkle was a Project Manager with Glenn Livingood Penzler Architects from 1992 to 1995 and with Devine de Flon Yaeger Architects from 1995 to 1997.  Mr. Shinkle is licensed to practice Architecture in Kansas, Oklahoma, Missouri and Arizona.  Mr. Shinkle joined the Company in 1997 and is President of BCS Design, Inc.                                                                                                                                                                                                                                                                                                        
|Section 16(a) Beneficial Ownership Reporting Compliance                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|Based solely upon a review of Forms 3 and 4 and amendments thereto furnished to the Company pursuant to Rule 16(a)-3(e) during the most recent fiscal year and Form 5 and amendments thereto furnished to the Company with respect to the most recent fiscal year, the Company believes that no person who at any time during the fiscal year was a director, officer, beneficial owner of more than 10% of any class of equity securities registered pursuant to Section 12 of the Exchange Act failed to file on a timely basis reports required by Section 16(a) of the Exchange Act during the most recent fiscal year or prior fiscal years.

|Item 11.  EXECUTIVE COMPENSATION                                                                                                                                                                                                                                                                                                                                                                              
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|SUMMARY                                                                                                                                                                                                                                                                                                                                                                                                       
|The following table provides certain summary information concerning compensation paid or accrued by the Company to or on behalf of the Company's Chief Executive Officer and each of the other most highly compensated executive officers of the Company whose salary and bonus exceeded $100,000 (determined as of the end of the last fiscal year) for the fiscal years ended April 30, 2003, 2002 and 2001:
|SUMMARY COMPENSATION TABLE                                                                                                                                                                                                                                                                                                                                                                                    
|                                                                                                                                                                                                                                                                                                                                                                                                              
|Name and Principal Position                                                                                                                                                                                                                                                                                                                                                                                   

|Clark D. Stewart,
President ,CEO and
Director | 03
02
01 | 287,400
245,589
237,986 | ---
---
--- | ---
---
--- | ---
---
--- | 325,000
150,000
250,000  | ---
---
--- | ---
---
---
|--------------------------------------------- | -------- | ----------------------- | ----------- | ----------- | ----------- | ------------------------ | ----------- | -----------
|                                              |          |                         |             |             |             |                          |             |            
|Christopher J. Reedy
Vice President           | 03
02
01 | 121,006
100,720
11,539  | ---
---
--- | ---
---
--- | ---
---
--- | 150,000
  50,000
100,000 | ---
---
--- | ---
---
---
|                                              |          |                         |             |             |             |                          |             |            
|Larry W. Franke
President of Avcon
Industries | 03
02
01 | 143,006
128,542
126,191 | ---
---
--- | ---
---
--- | ---
---
--- | 100,400
  50,000
100,000 | ---
---
--- | ---
---
---

|(1)  Represents options granted or (cancelled) pursuant to the Company's Nonqualified Stock Option Plans.
|---------------------------------------------------------------------------------------------------------

|OPTION GRANTS, EXERCISES AND HOLDINGS                                                                                                                                                                                                                                                                                                                                                                                             
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|The following table provides further information concerning grants of stock options pursuant to the 1989 Nonqualified Stock Option Plan during the fiscal 2003 year to the named executive officers:                                                                                                                                                                                                                              
|OPTION GRANTS IN LAST FISCAL YEAR                                                                                                                                                                                                                                                                                                                                                                                                 
|Individual Grants                                                                                                                                                                                                                                                                                                                                                                                                                 
|Name and Position                                                                                                                                                                                                                                                                                                                                                                                                                 
|Clark D. Stewart,
Chief Executive
Officer(1)                                                                                                                                                                                                                                                                                                                                                                                      
|Christopher J. Reedy
Vice President                                                                                                                                                                                                                                                                                                                                                                                               
|Larry W. Franke,
President of Avcon
Industries                                                                                                                                                                                                                                                                                                                                                                                    
|(1)	Except in the event of death or retirement for disability, if Mr. Stewart ceases to be employed by the Company, his options shall terminate.  Upon death or retirement for disability, Mr. Stewart (or his representative) shall have three months or one year, respectively, following the date of death or retirement, as the case may be, in which to exercise such options.  All such options are immediately exercisable.

|The following table provides information with respect to the named executive officers concerning options exercised and unexercised options held as of the end of the Company's last fiscal year:
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|AGGREGATED OPTION EXERCISES IN LAST FISCAL YEAR
AND FY-END OPTION VALUES                                                                                                                        
|                                                                                                                                                                                                
|Name                                                                                                                                                                                            
|Clark D. Stewart,
Chief Executive Officer                                                                                                                                                       
|                                                                                                                                                                                                
|Christopher J. Reedy,
Vice President                                                                                                                                                            
|                                                                                                                                                                                                
|Larry W. Franke,
President of Avcon Ind.                                                                                                                                                        

|COMPENSATION OF DIRECTORS                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|Each non-officer director is entitled to a director's fee of $100 for meetings of the Board of Directors which he attends.  Officer-directors are not entitled to receive fees for attendance at meetings.                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|EMPLOYMENT CONTRACTS, TERMINATION OF EMPLOYMENT AND CHANGE-IN-CONTROL
ARRANGEMENTS.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
|On April 30, 2001, the Company extended the employment agreement through August 31, 2006 with Clark D. Stewart under the terms of which Mr. Stewart was employed as the President and Chief Executive Officer of the Company. The contract provides a minimum annual salary of $298,400, $313,200, $329,000, $345,700, $363,000 respectively in the next five years.  In the event Mr. Stewart is terminated from employment with the Company other than "for cause," Mr. Stewart shall receive as severance pay an amount equal to the unpaid salary for the remainder of the term of the employment agreement. Mr. Stewart is also granted an automobile allowance of $600 per month.
|COMPENSATION COMMITTEE INTERLOCKS AND INSIDER PARTICIPATION                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|The Compensation Committee of the Board of Directors is comprised of Mr. Wagoner, Mr. Stewart, Mr. Griffith and Mr. Logan.  Mr. Wagoner is the Chairman, Mr. Stewart is the President and Chief Executive Officer of the Company and Mr. Griffith is the Secretary of the Company.                                                                                                                                                                                                                                                                                                                                                                                                     
|During fiscal 2003, the consulting firm of Griffith & Associates was paid for business consulting services rendered to the Company in the approximate amount of $104,500.  William A. Griffith, who is a director for the Company, is a principal at Griffith & Associates.  It is anticipated that Griffith & Associates will continue to provide services for the Company.                                                                                                                                                                                                                                                                                                           
|During fiscal 2003, the consulting firm of Butler Financial Corporation provided business consulting services to the Company in the amount of $96,000.  R. Warren Wagoner, who is a director for the Company, is a principal at Butler Financial Corporation.  It is anticipated that Butler Financial Corporation will continue to provide services for the Company.                                                                                                                                                                                                                                                                                                                  

|Item 12.  SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED SHAREHOLDER MATTERS                                                                                                                                                                                                                                         
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|The following table sets forth, with respect to the Company's common stock (the only class of voting securities), the only persons known to be beneficial owners of more than five percent (5%) of any class of the Company's voting securities as of July 11, 2003.                                                                             
|Name and Address of Beneficial Owner                                                                                                                                                                                                                                                                                                             
|Clark D. Stewart
19920 West 161st Street
Olathe, Kansas 66062
R. Warren Wagoner
19920 West 161st Street
Olathe, Kansas 66062                                                                                                                                                                                                                     
|(1)	Unless otherwise indicated by footnote, nature of beneficial ownership of securities is direct, and beneficial 	ownership as shown in the table arises from sole voting power and sole investment power.
(2)	Includes 2,700,000 shares which may be acquired by Mr. Stewart pursuant to the exercise of stock options 	which are exercisable.
|The following table sets forth, with respect to the Company's common stock (the only class of voting securities), (i) shares beneficially owned by all directors and named executive officers of the Company, and (ii) total shares beneficially owned by directors and officers as a group, as of April 30, 2003.                               
|Name of Beneficial Owner                                                                                                                                                                                                                                                                                                                         
|Larry W. Franke
William A. Griffith
David B. Hayden
William E. Logan
Christopher J. Reedy
Clark D. Stewart
R. Warren Wagoner
All Directors and Executive Officers as a Group (11 persons)                                                                                                                                                        

|(1)	Unless otherwise indicated by footnote, nature of beneficial ownership of securities is direct and beneficial 	ownership as shown in the table arises from sole voting power and sole investment power.
(2)	Includes 2,700,000 shares, which may be acquired by Mr. Stewart pursuant to the exercise of stock options, 	which are exercisable.
(3)	Includes 935,000 shares, which may be acquired by Mr. Logan pursuant to the exercise of stock options 	which are exercisable.
(4)	Includes 1,800,000 shares, which may be acquired by Mr. Wagoner pursuant to the exercise of stock 	options, which are exercisable.
(5)	Includes 725,000 shares, which may be acquired by Mr. Griffith pursuant to the exercise of stock options, 	which are exercisable.
(6)	Includes 571,000 shares, which may be acquired by Mr. Franke pursuant to the exercise of stock options, 	which are exercisable.
(7)	Includes 775,000 shares, which may be acquired by Mr. Hayden pursuant to the exercise of stock options, 	which are exercisable.
Includes 300,000 shares, which may be acquired by Mr. Reedy pursuant to the exercise of stock options, which are exercisable.
Includes 9,286,000 shares for all directors and executive officers as a group, which may be acquired pursuant to the exercise of stock options, which are exercisable.The Company does not have any equity compensation plans which have not been approved by security holders.
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|Item 13.  CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|None.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
|Item 14.  CONTROLS AND PROCEDURES                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
|We maintain a set of disclosure controls and procedures and internal controls designed to ensure that information required to be disclosed in our filings under the Securities Exchange Act of 1934 is recorded, processed, summarized and reported within the time periods specified in the Securities and Exchange Commission's rules and forms.  Our principal executive and financial officers have evaluated our disclosure controls and procedures within 90 days prior to the filing of this annual Report on Form 10-K and have determined that such disclosure controls and procedures are effective.
Subsequent to our evaluation, there were no significant changes in internal controls or other factors that could significantly affect internal controls, including any corrective actions with regard to significant deficiencies and material weaknesses.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
|PART IV                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
|Item 15.  EXHIBITS, FINANCIAL STATEMENT SCHEDULES AND REPORTS ON FORM 8-K                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
|(a)	Documents Filed As Part of Form 10-K Report.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|(1)  Financial Statements:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|Description                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|Report of Independent Accountants                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
|Consolidated Balance Sheet as of April 30, 2003 and 2002                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|Consolidated Statements of Operations for the years ended April 30, 2003, 2002 and 2000                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
|Consolidated Statements of Shareholders' Equity for the years ended April 30, 2003, 2002 and 2001                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
|Consolidated Statements of Cash Flows for the years ended April 30, 2003, 2002 and 2001                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
|Notes to Consolidated Financial Statements                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|(2)  Financial Statement Schedules                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     

|Schedule | Description                                                                                      | Page No.
|-------- | ------------------------------------------------------------------------------------------------ | --------
|II.      | Valuation and Qualifying Accounts and Reserves for the years ended April 30, 2003, 2002 and 2001 | 52      

|All other financial statements and schedules not listed have been omitted because the required information is inapplicable or the information is presented in the financial statements or related notes.
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|(3) Exhibits Index:                                                                                                                                                                                     
|No.                                                                                                                                                                                                     
|3.1                                                                                                                                                                                                     
|3.2                                                                                                                                                                                                     
|4.1                                                                                                                                                                                                     
|4.2                                                                                                                                                                                                     
|10.1                                                                                                                                                                                                    
|10.2                                                                                                                                                                                                    
|10.3                                                                                                                                                                                                    
|10.4                                                                                                                                                                                                    
|10.5                                                                                                                                                                                                    
|10.6                                                                                                                                                                                                    
|10.7                                                                                                                                                                                                    
|10.8                                                                                                                                                                                                    
|10.9                                                                                                                                                                                                    
|10.10                                                                                                                                                                                                   
|10.11                                                                                                                                                                                                   
|10.12                                                                                                                                                                                                   
|10.13                                                                                                                                                                                                   
|10.14                                                                                                                                                                                                   
|10.15                                                                                                                                                                                                   
|10.16                                                                                                                                                                                                   
|10.17                                                                                                                                                                                                   
|10.18                                                                                                                                                                                                   
|10.19                                                                                                                                                                                                   
|10.20                                                                                                                                                                                                   
|10.21                                                                                                                                                                                                   
|10.22                                                                                                                                                                                                   
|21                                                                                                                                                                                                      
|23.1                                                                                                                                                                                                    
|27.1                                                                                                                                                                                                    
|99                                                                                                                                                                                                      
|*    Incorporated by reference                                                                                                                                                                          
|**  Relates to executive officer employment compensation                                                                                                                                                
|                                                                                                                                                                                                        
|(b)                                                                                                                                                                                                     
|                                                                                                                                                                                                        
|                                                                                                                                                                                                        
|                                                                                                                                                                                                        
|                                                                                                                                                                                                        
|                                                                                                                                                                                                        
|                                                                                                                                                                                                        
|                                                                                                                                                                                                        
|                                                                                                                                                                                                        
|                                                                                                                                                                                                        
|(c)                                                                                                                                                                                                     
|(d)                                                                                                                                                                                                     



|SIGNATURES                                                                                                                                                                                                      
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.
|July 24, 2003                                                                                                                                                                                                   
|BUTLER NATIONAL CORPORATION
/s/ Clark D. StewartClark D. Stewart, President 
and Chief Executive Officer                                                                                                        
|Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the Registrant in the capacities and on the dates indicated:       
|Signature                                                                                                                                                                                                       
|/s/ Clark D. Stewart
Clark D. Stewart                                                                                                                                                                           
|/s/ R. Warren Wagoner
R. Warren Wagoner                                                                                                                                                                         
|/s/ William A. Griffith
William A. Griffith                                                                                                                                                                     
|/s/ William E. Logan
William E. Logan                                                                                                                                                                           
|/s/ David B. Hayden
David B. Hayden                                                                                                                                                                             
|/s/ Angela D. Seba
Angela D. Seba                                                                                                                                                                               





|CERTIFICATIONS                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |                                                        
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------
|I, Clark D. Stewart, certify that:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|1.  I have reviewed this annual report on Form 10-K of Butler National Corporation;                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
|2.  Based on my knowledge, this annual report does not contain any untrue statement of material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this annual report;                                                                                                                                                                                                                                                                                                                                               
|3.  Based on my knowledge, the financial statements, and other financial information included in this annual report, fairly represent in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this annual report;                                                                                                                                                                                                                                                                                                                                                              
|4.  The registrant's other certifying officers and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-14 and 15d-14) for the registrant and we have:                                                                                                                                                                                                                                                                                                                                                                                                                                            
|a)  designed such disclosure controls and procedures to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this annual report is being prepared;
b)  evaluated the effectiveness of the registrant's disclosure controls and procedures as of a date within 90 days prior to the filing date of this annual report (the "Evaluation Date"); and 
c)  presented in this annual report our conclusions about the effectiveness of the disclosure controls and procedures based on our evaluation as of the Evaluation Date;
|5.  The registrant's other certifying officers and I have disclosed, based on our most recent evaluation, to the registrant's auditors and the audit committee of registrant's board of directors (or persons performing the equivalent function):                                                                                                                                                                                                                                                                                                                                                                                                                       
|a)  all significant deficiencies in the design or operation of internal controls which could adversely affect the registrant's ability to record, process, summarize and report financial data and have identified for the registrant's auditors any material weaknesses in internal controls; and
b)  any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal controls; and                                                                                                                                                                                                            
|6.  The registrant's other certifying officers and I have indicated in this annual report whether or not there were significant changes in internal controls or in other factors that could significantly affect internal controls subsequent to the date of our most recent evaluation, including any corrective actions with regard to significant deficiencies and material weaknesses.                                                                                                                                                                                                                                                                               
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
|Date:  July 24, 2003                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      | s/s Clark D. Stewart
Clark D. Stewart
President and CEO



|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |                                                          
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------
|CERTIFICATIONS                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |                                                          
|I, Angela D. Seba, certify that:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
|1.  I have reviewed this annual report on Form 10-K of Butler National Corporation;                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
|2.  Based on my knowledge, this annual report does not contain any untrue statement of material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this annual report;                                                                                                                                                                                                                                                                                                                                               
|3.  Based on my knowledge, the financial statements, and other financial information included in this annual report, fairly represent in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this annual report;                                                                                                                                                                                                                                                                                                                                                              
|4.  The registrant's other certifying officers and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-14 and 15d-14) for the registrant and we have:                                                                                                                                                                                                                                                                                                                                                                                                                                            
|a)  designed such disclosure controls and procedures to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this annual report is being prepared;
b)  evaluated the effectiveness of the registrant's disclosure controls and procedures as of a date within 90 days prior to the filing date of this annual report (the "Evaluation Date"); and 
c)  presented in this annual report our conclusions about the effectiveness of the disclosure controls and procedures based on our evaluation as of the Evaluation Date;
|5.  The registrant's other certifying officers and I have disclosed, based on our most recent evaluation, to the registrant's auditors and the audit committee of registrant's board of directors (or persons performing the equivalent function):                                                                                                                                                                                                                                                                                                                                                                                                                       
|a)  all significant deficiencies in the design or operation of internal controls which could adversely affect the registrant's ability to record, process, summarize and report financial data and have identified for the registrant's auditors any material weaknesses in internal controls; and
b)  any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal controls; and                                                                                                                                                                                                            
|6.  The registrant's other certifying officers and I have indicated in this annual report whether or not there were significant changes in internal controls or in other factors that could significantly affect internal controls subsequent to the date of our most recent evaluation, including any corrective actions with regard to significant deficiencies and material weaknesses.                                                                                                                                                                                                                                                                               
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |                                                          
|Date:  July 24, 2003                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      | s/s Angela D. Seba
Angela D. Seba
Chief Financial Officer



|BUTLER NATIONAL CORPORATION AND SUBSIDIARIES
FINANCIAL STATEMENTS
AS OF APRIL 30, 2003
TOGETHER WITH AUDITORS' REPORT OF INDEPENDENT PUBLIC ACCOUNTANTSTo the Shareholders of Butler National Corporation:
We have audited the accompanying consolidated balance sheet of Butler National Corporation as of April 30, 2003 and 2002 and the related consolidated statements of operations, shareholders' equity, and cash flows for each of the three years in the period ended April 30, 2003. Our audits also included the financial statement schedule listed in the Index at Item 14(a).  These financial statements and schedule are the responsibility of the Company's management. Our responsibility is to express an opinion on these financial statements and the schedule based on our audits.
We conducted our audits in accordance with auditing standards generally accepted in the United States.  Those standards require that we plan and perform the audits to obtain reasonable assurance about whether the financial statements are free of material misstatements.  An audit includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements.  An audit also includes assessing the accounting principles used and significant estimates made by management, as well as evaluating the overall financial statement presentation.  We believe that our audits provide a reasonable basis for our opinion.
In our opinion, the financial statements referred to above present fairly, in all material respects, the consolidated financial position of Butler National Corporation as of April 30, 2003 and 2002 and the consolidated results of their operations and their cash flows for each of the three years in the period ended April 30, 2003, in conformity with accounting principles generally accepted in the United States.  Also, in our opinion, the related financial statement schedule, when considered in relation to the basic financial statements taken as a whole, presents fairly in all material respects the information set forth therein.WEAVER & MARTIN, LLC
Kansas City, Missouri,
July 24, 2003
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

|BUTLER NATIONAL CORPORATION
CONSOLIDATED BALANCE SHEETS
as of April 30, 2003 and 2002
|-------------------------------------------------------------------------------------
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|ASSETS                                                                               
|CURRENT ASSETS:                                                                      
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|PROPERTY, PLANT AND EQUIPMENT:                                                       
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|SUPPLEMENTAL TYPE CERTIFICATES                                                       
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|INDIAN GAMING:                                                                       
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|OTHER ASSETS                                                                         
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|Total Assets                                                                         
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|The accompanying notes are an integral part of these financial statements            

|BUTLER NATIONAL CORPORATION AND SUBSIDIARIES                             
|-------------------------------------------------------------------------
|CONSOLIDATED STATEMENTS OF OPERATIONS                                    
|FOR THE YEARS ENDED APRIL 30, 2003, 2002 AND 2001                        
|                                                                         
|                                                                         
|NET SALES                                                                
|                                                                         
|COST OF SALES                                                            
|                                                                         
|                                                                         
|SELLING, GENERAL AND ADMINISTRATIVE EXPENSES                             
|                                                                         
|OPERATING INCOME (LOSS)                                                  
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|OTHER INCOME (EXPENSE)                                                   
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|INCOME (LOSS) BEFORE PROVISION FOR INCOME TAXES                          
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|PROVISION FOR INCOME TAXES                                               
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|NET INCOME (LOSS)                                                        
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|BASIC EARNINGS (LOSS) PER COMMON SHARE                                   
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|DILUTED EARNINGS (LOSS) PER COMMON SHARE                                 
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|The accompanying notes are an integral part of these financial statements



|BUTLER NATIONAL CORPORATION AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY
FOR THE YEARS ENDED APRIL 30, 2003, 2002, AND 2001
|-----------------------------------------------------------------------------------------------------------------------------------------------

|                                                                           |   | Preferred Stock    |   | Common Stock       |   | Capital Contributed in Excess of Par |   | Treasury Stock (Common) |   | Retained Earnings (deficit) |   | Total Shareholders' Equity
|-------------------------------------------------------------------------- | - | ------------------ | - | ------------------ | - | ------------------------------------ | - | ----------------------- | - | --------------------------- | - | --------------------------
|                                                                           |   | ------------------ |   | ------------------ |   | ------------------                   |   | ------------------      |   | ------------------          |   | ------------------        
|BALANCE, April 30, 2000                                                    | $ | 112,136            | $ | 271,818            | $ | 9,558,549                            | $ | (732,000)               | $ | (4,803,113)                 | $ | 4,407,390                 
|Conversion to common stock                                                 |   | (112,136)          |   | 64,800             |   | 47,336                               |   |                         |   | -                           |   |                           
|Issuance of stock -- Other                                                 |   |                    |   | -                  |   | 13,534                               |   | 108,272                 |   |                             |   | -                         
|Conversion of Convertible 	Debentures                                      |   |                    |   | -                  |   | 18,889                               |   | 176,111                 |   |                             |   | -                         
|Miscellaneous                                                              |   |                    |   | -                  |   |                                      |   | -                       |   |                             |   | -                         
|Net loss                                                                   |   |                    |   | -                  |   |                                      |   | -                       |   |                             |   | -                         
|                                                                           |   | ------------------ |   | ------------------ |   | ------------------                   |   | ------------------      |   | ------------------          |   | ------------------        
|BALANCE, April 30, 2001                                                    | $ | -                  | $ | 369,041            | $ | 9,890,268                            | $ | (732,000)               | $ | (5,285,571)                 | $ | 4,241,738                 
|                                                                           |   | ==========         |   | ==========         |   | ==========                           |   | ==========              |   | ==========                  |   | ==========                
|The accompanying notes are an integral part of these financial statements.

|BUTLER NATIONAL CORPORATION AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY
FOR THE YEARS ENDED APRIL 30, 2003, 2002, AND 2001
|-----------------------------------------------------------------------------------------------------------------------------------------------

|                                                                           |   | Preferred Stock      |  | Common Stock         |   | Capital Contributed in Excess of Par |   | Treasury Stock (Common) |   | Retained Earnings (deficit) |   | Total Shareholders' Equity
|-------------------------------------------------------------------------- | - | -------------------- |  | -------------------- | - | ------------------------------------ | - | ----------------------- | - | --------------------------- | - | --------------------------
|                                                                           |   | -------------------- |  | -------------------- |   | ------------------                   |   | ------------------      |   | --------------------        |   | --------------------      
|BALANCE, April 30, 2001                                                    | $ |                      |  | -                    | $ | 369,041                              | $ | 9,890,268               | $ | (732,000)                   | $ | (5,285,571)               
|Issuance of stock -- Other                                                 |   |                      |  | -                    |   | 6,383                                |   | 102,129                 |   |                             |   | -                         
|Conversion of Convertible 	Debentures                                      |   |                      |  | -                    |   | 9,792                                |   | 68,208                  |   |                             |   | -                         
|Net income                                                                 |   |                      |  | -                    |   |                                      |   |                         |   |                             |   | -                         
|                                                                           |   | -------------------- |  | -------------------- |   | ------------------                   |   | ------------------      |   | --------------------        |   | --------------------      
|BALANCE, April 30, 2002                                                    | $ |                      |  | -                    | $ | 385,216                              | $ | 10,060,605              | $ | (732,000)                   | $ | (4,160,515)               
|                                                                           |   | ===========          |  | ===========          |   | ==========                           |   | ==========              |   | ===========                 |   | ===========               
|The accompanying notes are an integral part of these financial statements.

|BUTLER NATIONAL CORPORATION AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY
FOR THE YEARS ENDED APRIL 30, 2003, 2002, AND 2001
|-----------------------------------------------------------------------------------------------------------------------------------------------



|                                                                           |   | Preferred Stock      |  | Common Stock         |   | Capital Contributed in Excess of Par |   | Treasury Stock (Common) |   | Retained Earnings (deficit) |   | Total Shareholders' Equity
|-------------------------------------------------------------------------- | - | -------------------- |  | -------------------- | - | ------------------------------------ | - | ----------------------- | - | --------------------------- | - | --------------------------
|                                                                           |   | -------------------- |  | -------------------- |   | ------------------                   |   | ------------------      |   | --------------------        |   | --------------------      
|BALANCE, April 30, 2002                                                    | $ |                      |  | -                    | $ | 385,216                              | $ | 10,060,605              | $ | (732,000)                   | $ | (4,160,515)               
|Issuance of stock -- Other                                                 |   |                      |  | -                    |   | 1,144                                |   | 113,315                 |   |                             |   | -                         
|Net income                                                                 |   |                      |  | -                    |   |                                      |   | -                       |   |                             |   | -                         
|                                                                           |   | -------------------- |  | -------------------- |   | ------------------                   |   | ------------------      |   | --------------------        |   | --------------------      
|BALANCE, April 30, 2003                                                    | $ |                      |  | -                    | $ | 386,360                              | $ | 10,173,920              | $ | (732,000)                   | $ | (4,133,997)               
|                                                                           |   | ===========          |  | ===========          |   | ==========                           |   | ==========              |   | ===========                 |   | ===========               
|The accompanying notes are an integral part of these financial statements.

|BUTLER NATIONAL CORPORATION AND SUBSIDIARIES                              
|--------------------------------------------------------------------------
|CONSOLIDATED STATEMENTS OF CASH FLOWS                                     
|FOR THE YEARS ENDED APRIL 30, 2003, 2002, AND 2001                        
|                                                                          
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|CASH FLOWS FROM OPERATING ACTIVITIES                                      
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|CASH FLOWS FROM INVESTING ACTIVITIES                                      
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|CASH FLOWS FROM FINANCING ACTIVITIES                                      
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|NET INCREASE (DECREASE) IN CASH                                           
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|CASH, beginning of year                                                   
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|CASH, end of year                                                         
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|SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION                         
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|NON CASH FINANCING ACTIVITIES                                             
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|The accompanying notes are an integral part of these financial statements.

|BUTLER NATIONAL CORPORATION AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
APRIL 30, 2003                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
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|1.  BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES:
The accompanying consolidated financial statements include the accounts of Butler National Corporation (BNC) and its wholly-owned subsidiaries, Avcon Industries, Inc., Kansas International Inc., BCS Design, Inc., Butler National Services, Inc., Butler Temporary Services, Inc., Butler National Service Corporation, Butler National Corporation-Tempe (formerly Woodson Avionics, Inc.), and Butler National, Inc., (collectively, The Company). Kansas International Corporation was inactive during the years ended April 30, 2003, 2002 and 2001.  All significant intercompany transactions have been eliminated in consolidation.
Avcon Industries, Inc. modifies business category aircraft at its Newton, Kansas facility.  Modifications can include passenger-to-freighter configuration, addition of aerial photography capability, and stability enhancing modifications.  Avcon also acquires airplanes, principally Learjets, to refurbish and sell.  Butler National Corporation-Tempe is primarily engaged in the manufacture of airborne switching units used in Boeing McDonnell Douglas aircraft and transient suppression devices for Boeing 747 Classic aircraft.  Butler National Services is principally engaged in monitoring remote water and wastewater pumping stations through electronic surveillance.  Butler National Service Corporation is a management consulting and administrative services firm providing business planning and financial coordination to Indian tribes interested in owning and operating casinos under the terms of the Indian Gaming Regulatory Act of 1988.Use of Estimates:  The preparation of financial statements in conformity with generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period.  Actual results could differ from those estimates.
Inventories:  Inventories are priced at the lower of cost, determined on a first-in, first-out basis, or market. Inventories include material, labor and factory overhead required in the production of the Company's products.
Property and Related Depreciation:  Machinery and equipment are recorded at cost and depreciated over their estimated useful lives.  Depreciation is provided on a straight-line basis. Leasehold improvements are amortized on a straight-line basis over the term of the lease.  The lives used for the significant items within each property classification are as follows:

| |                               | Life in Years
| | ----------------------------- | -------------
| | Building                      | 23 to 39     
| | Machinery and equipment       | 5 to 17      
| | Office furniture and fixtures | 5 to 17      
| | Leasehold improvements        | 3 to 20      

|Maintenance and repairs are charged to expense as incurred.  The cost and accumulated depreciation of assets retired are removed from the accounts and any resulting gains or losses are reflected as income or expense.
Included in machinery and equipment and office furniture and fixtures are capital lease items totaling $303,900 for April 30, 2003 and 2002.  Accumulated amortization on capital lease items at April 30, 2003 and 2002 was $219,452 and $157,084 respectively.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
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|Long-Lived Assets:  Long-lived assets and identifiable intangibles to be held and used are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount may not be recoverable.  Impairment is measured by comparing the carrying value of the long-lived asset to the estimated undiscounted future cash flows expected to result from use of the assets and their eventual disposition.  The Company determined that as of April 30, 2003, there had been no impairment in the carrying value of long-lived assets.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
|Indian Gaming:  The Company is advancing funds for the establishment of Indian gaming.  These funds have been capitalized in accordance with Statements of Financial Accounting Standards (SFAS) 67 "Accounting for Costs and Initial Rental Operations of Real Estate Projects."  Such standard requires costs associated with the acquisition, development, and construction of real estate and real estate-related projects to be capitalized as part of that project. The realization of these advances is predicated on the ability of the Company and their Indian gaming clients to successfully open and operate the proposed casinos.  There is no assurance that the Company will be successful. The inability of the Company to recover these advances could have a material adverse effect on the Company's financial position and results of operations.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|Advances to the tribes and for gaming developments are capitalized and recorded as receivables from the tribes.  These receivables, shown as Advances for Indian Gaming Development on the balance sheet, represent costs to be reimbursed to the Company pending approval of Indian gaming in several locations.  The Company has agreements in place which require payments to be made to the Company for the respective projects upon opening of Indian gaming facilities.  Once gaming facilities have gained proper approvals, the Company will enter into note receivable arrangements with the Tribe to secure reimbursement of advanced funds to the Company for the particular project.  The Company currently has one note receivable shown as Note Receivable From Indian Gaming Development on the balance sheet.

Reserves were recorded for Indian gaming development costs that cannot be determined whether reimbursement from the tribes will occur.  There are agreements with the Tribes to be reimbursed for all costs incurred to develop gaming when the facilities are constructed and opened.  Because the Stables represents the only operations opened, there is uncertainty as to whether reimbursement on all remaining costs that have been reserved will occur.  It is the Company's policy therefore, to reduce the respective reserves as reimbursement from the Tribes is collected.                                                                                                                                                                                                                                                                                                                                                                                               
|Capitalized costs totaled approximately $4,693,749 and $4,623,063 at April 30, 2003 and April 30, 2002, respectively, related to the development of Indian gaming facilities.  These amounts are net of reserves of $2,718,928 in 2003 and 2002, which were established to reserve for potentially unreimburseable costs.  In the opinion of management, the net advances will be recoverable through the gaming activities.  Current economic projections for the gaming activities indicate adequate future cash flows to recover the advances.  In the event the Company and its Indian clients are unsuccessful in establishing such operations, these net recorded advances will be recovered through the liquidation of the associated assets.  The Company has title to land purchased for Indian gaming.  These tracts, currently owned by the Company, could be sold to recover costs in the projects.

As a part of a Management Contract approved by the National Indian Gaming Commission (NIGC) on January 14, 1997, between the Company's wholly owned subsidiary, Butler National Service Corporation, and the Miami Tribe of Oklahoma and the Modoc Tribe of Oklahoma (the Tribes), the Company agreed to convert their current unsecured receivable from the Tribes to a secured note receivable with the Tribes of $3,500,000 at 2 percent over prime, to be repaid over five years, for the construction of the Stables gaming establishment and reimbursement for previously advanced funds.  Security under the contract includes the Tribes' profits from all tribal gaming enterprises and all assets of the Stables except the land and building.  The Company is currently receiving payments on the note on the Stables' operation.  Amount to be received on the note is 2004 - $324,565.
|Supplemental Type Certificates: Supplemental Type Certificates (STCs) are authorizations granted by the Federal Aviation Administration (FAA) for specific modification of a certain aircraft.  The STC authorizes the Company to perform modifications, installations and assemblies on applicable customer-owned aircraft.  Costs associated with obtaining these STCs from the FAA are capitalized and subsequently amortized against revenues being generated from aircraft modifications associated with the STC.  The costs are expensed as services are rendered on each aircraft through costs of sales using the units of production method.  Current company estimates of future orders indicate the life for these costs to be approximately five years.  The legal life of these STCs is indefinite.  Consultant costs, as shown below, include costs of engineering, legal and aircraft specialists.  Components of the capitalized costs are as follows:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
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|The recoverability of these costs are dependent upon the Company's ability to obtain and sustain future orders.  	Failure to gain these orders and subsequently recover these costs could have a material adverse impact on the 	Company's financial position and results of operations.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|Bank Overdraft Payable:  The Company's cash management program results in checks outstanding in excess of       bank balances in the general disbursement account.  When checks are presented to the bank for payment, cash deposits in amounts sufficient to fund the checks are made from funds provided under the terms of the Company's promissory notes agreement.                                                                                                                                                                                                                                                                                                                                                                                                                                                    
|Financial Instruments:  The carrying value of the Company's cash and cash equivalents, short-term investments, accounts receivable, accounts payable, accrued expenses and accrued employee costs approximate fair value because of the short-term maturity of these instruments.  Fair values are based on quoted market prices and assumptions concerning the amount and timing of estimated future cash flows and assumed discount rates reflecting varying degrees of perceived risk.  Based upon borrowing rates currently available to the Company with similar terms, the carrying value of notes payable long-term debt and capital lease obligations approximate fair value.                                                                                                                                      
|Revenue Recognition:  The Company performs aircraft modifications under fixed-price contracts.  Revenues from fixed-price contracts are recognized on the percentage-of- completion method, measured by the direct labor costs incurred compared to total estimated direct labor costs.  Revenue is recorded on all other products upon delivery to the customer.                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|Earnings Per Share:  Earnings per common share is based on the weighted average number of common shares outstanding during the year.  Stock options, convertible preferred and convertible debentures have been considered in the dilutive earnings per share calculation, but not used in 2003 and 2002 because they are anti-dilutive.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|Stock-based Compensation: The Company accounts for non-employee stock-based awards in which goods or services are the consideration received for the equity instruments issued in accordance with the provisions of SFAS No. 123 and Emerging Issues Task Force No. 96-18, "Accounting for Equity Instruments that are Issued to Employees for Acquiring, or in Conjunction with Selling, Goods or Services".                                                                                                                                                                                                                                                                                                                                                                                                              
|Income Taxes: Amounts provided for income tax expense are based on income reported for financial statement purposes and do not necessarily represent amounts currently payable under tax laws.  Deferred taxes, which arise principally from temporary differences between the period in which certain income and expense items are recognized for financial reporting purposes and the period in which they affect taxable income, are included in the amounts provided for income taxes.  Under this method, the computation of deferred tax assets and liabilities give recognition to enacted tax rates in effect in the year the differences are expected to affect taxable income.  Valuation allowances are established when necessary to reduce deferred tax assets to amounts that the Company expects to realize.
|Cash and Cash Equivalents: Cash and cash equivalents consist primarily of cash and investments in a money market fund.  The Company considers all highly liquid investments with an original maturity of three months or less to be cash equivalents.  The Company maintains its cash in bank deposit accounts that, at times, may exceed federally insured limits.                                                                                                                                                                                                                                                                                                                                                                                                                                                        
|Concentration of Credit Risk: The Company extends credit to customers based on an evaluation of their financial condition and collateral is not required.  The Company performs ongoing credit evaluations of its customers and maintains an allowance for doubtful accounts.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
|Research and Development: The Company charges to operations research and development costs.  The amount charged in the year ended April 30, 2003 and 2002 was approximately $1,128,471 and $1,020,489 respectively.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
|Reclassifications:  Certain reclassifications within the financial statement captions have been made to maintain consistency in presentation between years.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                

|DEBT:Principal amounts of debt at April 30, 2003 and 2002, consist of the following:
|------------------------------------------------------------------------------------

|Promissory Notes                                                                                                                                                                                                                             |                                                                 |   | 2003           |   | 2002           
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------- | - | -------------- | - | ---------------
|                                                                                                                                                                                                                                             | Interest at prime plus 2% (7.0% at April 30, 2003), due         | $ | 380,482        | $ | 268,049        
|                                                                                                                                                                                                                                             | February 25, 2004, collateralized by a first or second position |   |                |   |                
|                                                                                                                                                                                                                                             | on all assets of the Company.                                   |   |                |   |                
|                                                                                                                                                                                                                                             |                                                                 |   |                |   |                
|                                                                                                                                                                                                                                             | Note payable, interest generally at 14.0%, collateralized       |   | 50,000         |   | 50,000         
|                                                                                                                                                                                                                                             | by a second position on cash flow of the Stables.               |   |                |   |                
|                                                                                                                                                                                                                                             |                                                                 |   |                |   |                
|                                                                                                                                                                                                                                             | Note payable, interest generally at 12.0%, collateralized       |   | 100,000        |   |                
|                                                                                                                                                                                                                                             | by a second position on cash flow of the Stables.               |   | -------------- |   | ---------------
|                                                                                                                                                                                                                                             |                                                                 |   | 530,482        |   | 318,049        
|                                                                                                                                                                                                                                             |                                                                 |   | =========      |   | =========      
|The Company has promissory notes in which it may borrow a maximum of $500,000 and an extension agreement allowing borrowing of $200,000.  Weighted average interest rates were 6.7% and 7.0% for the years ended 2003 and 2002 respectively.
|Other Notes Payable and Capital Lease Obligations                                                                                                                                                                                            |                                                                 |   |                |  
|                                                                                                                                                                                                                                             | Note payable, interest at prime plus 2%, (6.25% at April        | $ | 884,515        | $ | 907,119        
|                                                                                                                                                                                                                                             | 30, 2003) due August 25, 2006 collateralized by Aircraft        |   |                |   |                
|                                                                                                                                                                                                                                             | Security Agreements.                                            |   |                |   |                
|                                                                                                                                                                                                                                             |                                                                 |   |                |   |                
|                                                                                                                                                                                                                                             | Note payable, interest at prime plus 2% (6.25% at April         |   | 94,009         |   | 530,386        
|                                                                                                                                                                                                                                             | 30, 2003) due August 1, 2003.                                   |   |                |   |                
|                                                                                                                                                                                                                                             |                                                                 |   |                |   |                
|                                                                                                                                                                                                                                             | Note payable, interest at prime plus 1%, (4.25% at April        |   | 461,044        |   | 361,007        
|                                                                                                                                                                                                                                             | 30, 2003) due August 23, 2007 collateralized by real            |   |                |   |                
|                                                                                                                                                                                                                                             | estate.                                                         |   |                |   |                
|                                                                                                                                                                                                                                             |                                                                 |   |                |   |                
|                                                                                                                                                                                                                                             | Note payable, interest at prime plus 2% (7.0% at April          |   | 25,000         |   | 142,970        
|                                                                                                                                                                                                                                             | 30, 2003) collateralized by a first or second position on all   |   |                |   |                
|                                                                                                                                                                                                                                             | of the Company.                                                 |   |                |   |                
|                                                                                                                                                                                                                                             |                                                                 |   |                |   |                
|                                                                                                                                                                                                                                             | Note payable, interest at prime plus 2% (7.5% at April 30,      |   | 578,381        |   | 711,597        
|                                                                                                                                                                                                                                             | 2003) due May 13, 2009, collateralized by a first or            |   |                |   |                
|                                                                                                                                                                                                                                             | second position on all assets of the Company.                   |   |                |   |                
|                                                                                                                                                                                                                                             |                                                                 |   |                |   |                
|                                                                                                                                                                                                                                             |                                                                 |   |                |   |                
|                                                                                                                                                                                                                                             | Other Notes Payable and Capital Lease Obligations               |   | 74,217         |   | 91,333         
|                                                                                                                                                                                                                                             |                                                                 |   | -------------- |   | -------------- 
|                                                                                                                                                                                                                                             |                                                                 |   | 2,117,166      |   | 2,744,412      
|                                                                                                                                                                                                                                             | Less: Current maturities                                        |   | 457,423        |   | 1,159,178      
|                                                                                                                                                                                                                                             |                                                                 |   | -------------- |   | -------------- 
|                                                                                                                                                                                                                                             |                                                                 | $ | 1,659,743      | $ | 1,585,234      
|                                                                                                                                                                                                                                             |                                                                 |   | ========       |   | ========       

|Maturities of long-term debt and capital lease obligations are as follows:
|--------------------------------------------------------------------------
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|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|3.  CONVERTIBLE DEBENTURES:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
|The Company completed a private placement on June 26, 1996, in which the Company issued an eight percent (8.0%) cumulative convertible debenture due June 26, 1998, in the amount of $750,000.  Net proceeds of the offering were $675,000.  The debenture is convertible only to common stock at 70 percent of the average closing price of the common stock for the five (5) days prior to issuance of the debenture.  At June 26, 1998, the end of the two-year term, the balance not yet converted must be converted to common stock.  The eight percent (8.0%) interest is payable in stock or cash at the option of the Company.

The Company completed a private placement on November 1, 1996, in which the Company issued an eight percent (8.0%) cumulative convertible debenture due November 1, 1998, in the amount of $500,000.  Net proceeds of the offering were $450,000.  The debenture is convertible only to common stock at seventy percent (70%) of the average closing bid price of the common stock for the five days prior to issuance of the debenture.  At November 1, 1998, the end of the two-year term, the balance not yet converted must be converted to common stock.  The eight percent (8.0%) interest is payable in stock or cash at the option of the Company.

On January 25, 1999, a change was made to the issuance documents changing the conditions of the conversions.  The face value at the time of this agreement was $650,000 allowing $65,000 per month to be converted under the plan at a conversion price equal to eighty percent (80%) of the five (5) day average closing bid for the five (5) trading days prior to the conversion, provided, however, that if the closing price increases to $1.45 per share or more for three (3) consecutive trading days, the Holder will have the option to convert an additional 20 percent or $130,000 of outstanding principal amount of Debentures.  All transactions are being handled through one broker and all activity is reported on a weekly basis.  The Holders also received 325,000 three-year warrants to purchase restricted common stock at $1.45 per share, and all past and future interest payments were rescinded.  At April 30, 2002 all convertible debentures have been converted to common stock.

|4.  INCOME TAXES:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|Deferred taxes are determined based on the estimated future tax effects of differences between the financial statement and tax basis of assets and liabilities given the provision of the enacted tax laws.  The Company has net operating loss carryforwards and cumulative temporary differences, which would result in the recognition of net deferred tax assets.  A valuation allowance has been provided which reduces the net deferred tax asset to zero.  At April 30, 2003, the Company had approximately $6.1 million of net operating losses, which expire in 2004 to 2017.
|The deferred taxes are comprised of the following components:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         

|                                                                                                        |   |                   |   | April 30, 2003    |  | April 30, 2002
|------------------------------------------------------------------------------------------------------- | - | ----------------- | - | ----------------- |  | --------------
|Deferred tax assets                                                                                     |   |                   |   |                  
|Accounts receivable reserve                                                                             | $ | 4,000             | $ | 48,000           
|Inventory and other reserves                                                                            |   | 415,000           |   | 415,000          
|Indian gaming development                                                                               |   | 520,000           |   | 520,000          
|Net operating loss carryforwards                                                                        |   | 2,365,000         |   | 2,400,000        
|                                                                                                        |   | ----------------- |   | -----------------
|Total gross deferred tax assets                                                                         |   | 3,304,000         |   | 3,383,000        
|Valuation allowance                                                                                     |   | (3,110,000)       |   | (3,171,000)      
|                                                                                                        |   | ----------------- |   | -----------------
|Total deferred tax assets                                                                               | $ | 194,000           | $ | 212,000          
|                                                                                                        |   | =========         |   | =========        
|                                                                                                        |   |                   |   |                  
|Deferred tax liabilities:                                                                               |   |                   |   |                  
|Depreciation                                                                                            | $ | 146,000           | $ | 146,000          
|Accrued interest                                                                                        |   | 48,000            |   | 66,000           
|                                                                                                        |   | ----------------- |   | -----------------
|Total deferred tax liabilities                                                                          | $ | 194,000           | $ | 212,000          
|                                                                                                        |   | =========         |   | =========        
|                                                                                                       
|Net deferred tax assets at April 30, 2003 have been fully offset by a valuation allowance as it is more
|likely than not that the Company will not ultimately realize any benefits.                             



A reconciliation of the provision for income taxes to the statutory federal rate for continuing operations is as follows:

| |                                   |        | 2003               |        | 2002 |        | 2001
| | --------------------------------- | ------ | ------------------ | ------ | ---- | ------ | ----
| | Statutory federal income tax rate | 34.0%  |                    | 34.0%  |      | -34.0%
| | Changes in valuation allowances   | -31.5% |                    | -29.7% |      | 32.4% 
| | Nondeductible expenses            | -2.5%  |                    | -4.3%  |      | 1.6%  
| |                                   |        | Effective tax rate | 0.0%   |      | 0.0%   |     

|5.  SHAREHOLDERS' EQUITY:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|Common Stock Transactions                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|During the year ended April 30, 2003, the Company issued 817,565 shares valued at $114,459 as the match to the Company's 401(k) plan.

During the year ended April 30, 2002, the Company issued 638,304 shares valued at $108,512 as the match to the Company's 401(k) plan; 979,167 shares were issued under the exchange provisions of the Convertible Debentures.

During the year ended April 30, 2001, the Company issued 1,353,395 shares valued at $121,806 as the match to the Company's 401(k) plan; 6,480,000 shares were issued under the exchange provisions of the Preferred Stock and 1,888,888 were issued under the exchange provisions of the Convertible Debentures.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
|Convertible Preferred Stock                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|The Company completed a private placement on December 16, 1997, to issue Series B, 6 percent Convertible Preferred Stock in the amount of $1,500,000.  Dividends when declared, are payable quarterly at 6 percent of stated value per share.  Net proceeds of the offering were $1,315,959.  The terms of conversion allow the holder, at its option, at any time commencing 45 days after issuance of the preferred stock to convert the preferred stock into shares of the Company's Common Stock, at a conversion price equal to seventy percent (70%) of the common stock bid price (the average of the ending common stock bid price five days prior to issuance of the preferred stock or the ending bid price of the common stock 45 days after issuance of the preferred stock.  The shares are subject to a mandatory, 24-month conversion feature at the end of which all shares outstanding will be automatically converted.  Liquidation rights upon dissolution are equal to the stated value per share and all unpaid dividends.  The preferred shareholders have no voting rights.

The aforementioned security includes a nondetachable conversion feature that is "in the money" at the date of issuance.  This feature, known as beneficial conversion features, allows for securities to be convertible into common stock at a fixed discount to the common stock's market price at the date of conversion.  This feature is recognized and measured by allocating a portion of the proceeds equal to the intrinsic value of this feature to additional paid-in capital.  This amount is calculated as the difference between the conversion price and the fair value of the common stock into which the security is convertible, multiplied by the number of shares into which the security is convertible.  The allocation of the proceeds is considered to be analogous to a dividend to the preferred security holder and is recognized over the minimum period in which the security holders can realize that return.

On January 25, 1999, Butler National reached an agreement with the Holders of the Class B Convertible Preferred Stock to change the conversion conditions of the preferred stock.  Under the agreement, the Holders of the Preferred are allowed to convert up to ten percent (10%) of the face value of the Preferred into common stock in any month until the entire issue is converted.  The face value at the time of settlement was $785,000 allowing $78,500 per month to be converted under the plan.  However, if the bid price is above $1.45 for three trading days, the Holders will be allowed to convert up to a total of 30 percent per month or $235,500 of face value of the Preferred.  The conversion amount will increase five percent (5%) for each $.20 increase in market price.  The agreed conversion price is 70 percent of the average bid price for the previous five (5) trading days.

With the exception of 30,000 common shares owned at settlement by the Holders, sales of the previous converted common shares, 148,849 shares, plus any newly converted common shares, will be limited to the greater of $30,000 or twenty-five percent (25%) of the previous week's trading volume.  The Company issued 102,396 shares of its stock valued at $54,398 in lieu of any past or future dividends.   All transactions are being handled through one broker and all activity is reported on a weekly basis.  The Holders also received 770,000 three-year warrants to purchase restricted common stock at $1.45 per share.  At April 30, 2001 all preferred shares have been converted into common stock.

|6.  STOCK OPTIONS AND INCENTIVE PLANS:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|The Company has established nonqualified stock option plans to provide key employees and consultants an opportunity to acquire ownership in the Company.  Options are granted under these plans at exercise prices equal to fair market value at the date of the grant, generally exercisable immediately and expire in 10 years.  All options terminate if the employee leaves the Company.  The Company accounts for these plans under Accounting Principles Board Opinion No. 25 under which no compensation cost has been recognized.  Had compensation cost been recognized in accordance with Financial Accounting Standards Board Statement No. 123, Accounting for Stock Based Compensation, the Company's operating income would have been effected as follows:

|                                           |   | 2003      |   | 2002      |   | 2001     
|------------------------------------------ | - | --------- | - | --------- | - | ---------
|Dividend yield                             |   | 0%        |   | 0%        |   | 0%       
|Weighted average expected stock volatility |   | 17.0%     |   | 17.0%     |   | 17.0%    
|Weighted average risk free interest rate   |   | 3.89%     |   | 5.15%     |   | 4.92%    
|Expected option lives                      |   | 10 years  |   | 10 years  |   | 10 years 
|Net income (loss)                          |   |           |   |           |   |          
|As reported                                | $ | 26,518    | $ | 1,125,056 | $ | (485,777)
|Pro forma                                  | $ | (230,304) | $ | 979,856   | $ | (595,777)
|                                           |   |           |   |           |   |          
|Basic earnings per share                   |   |           |   |           |   |          
|As reported                                | $ | 0.00      | $ | 0.03      | $ | (0.02)   
|Pro forma                                  | $ | (0.01)    | $ | 0.03      | $ | (0.02)   
|                                           |   |           |   |           |   |          
|Diluted earnings per share                 |   |           |   |           |   |          
|As reported                                | $ | 0.00      | $ | 0.03      | $ | (0.02)   
|Pro forma                                  | $ | (0.01)    | $ | 0.02      | $ | (0.02)   

|The following table summarized the Option Plans:
|------------------------------------------------
|                                                
|Outstanding at April 30, 2000                   
|Granted                                         
|Cancelled                                       
|Exercised                                       
|Outstanding at April 30, 2001                   
|Granted                                         
|Cancelled                                       
|Exercised                                       
|Outstanding at April 30, 2002                   
|Granted                                         
|Cancelled                                       
|Exercised                                       
|Outstanding at April 30, 2003                   
|Options available for future issuance (1)       



|7.  COMMITMENTS:

Lease Commitments

The Company leases space under operating leases with initial terms of three (3) years.  Total rental expense incurred for the years ended April 30, 2003, 2002 and 2001, was $173,544, $146,000 and $139,000, respectively.

Minimum lease commitments under noncancellable operating leases for the next five (5) years are as follows:
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|Year Ending Apr-30 |   | Amount 
|------------------ | - | -------
|2004               | $ | 106,043
|2005               |   | 73,431 
|2006               |   | -      
|2007               |   | -      
|2008               |   | -      
|Thereafter         |   | -      

|8.  CONTINGENCIES:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|The Company is involved in various lawsuits incidental to its business.  Management believes the ultimate liability, if any, will not have an adverse effect on the Company's financial position or results of operations.

Due to the Company's financial condition, and the need to reduce expenses, the board of directors approved the elimination of product liability insurance in August, 1989.                                                                                                                                                                                                                                                                                                                       
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|9.  RELATED-PARTY TRANSACTIONS:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
|During fiscal 2003, 2002 and 2001, the Company expensed consulting fees of approximately $200,500, $188,500, and $197,000 respectively to board members and board member's consulting companies for business consulting services                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|10.  401(K) SAVINGS PLAN                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
|The Company has a defined contribution plan authorized under Section 401(k) of the Internal Revenue Code.  All benefits-eligible employees with at least one year of service are eligible to participate in the plan.  Employees may contribute up to twelve percent of their pre-tax covered compensation through salary deductions.  The Company contributed 100 percent of every pre-tax dollar an employee contributes.  Employees are 100 percent vested in the employer's contributions after five years of service.  All employer contributions are tax deductible by the Company.  The Company's matching contribution expense in 2003, 2002 and 2001 was approximately $114,459, $108,512 and $121,809 respectively.

|11.  COMMON SHARES USED IN EARNINGS PER SHARE CALCULATIONS:                                                                                                                  
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|The following table shows the amounts used in computing earnings per share and the effect on income and weighted average number of shares of potential dilutive common stock.

|                                                 | 2003               | 2002               | 2001              
|------------------------------------------------ | ------------------ | ------------------ | ------------------
|Earnings (losses) available for                  |                    |                    |                   
|Common shares                                    | $	26,518           | $	1,125,056        | $	(485,477)       
|                                                 | ===========        | ===========        | ===========       
|                                                 |                    |                    |                   
|Earnings (loss) per share -                      |                    |                    |                   
|Basic                                            | $	0.00             | $	0.03             | $	(0.02)          
|                                                 | ===========        | ===========        | ===========       
|Diluted                                          | $	0.00             | $	0.03             | $	(0.02)          
|                                                 | ===========        | ===========        | ===========       
|Weighted average number of common shares used in |                    |                    |                   
|Basic EPS                                        | 37,921,582         | 37,284,671         | 28,487,816        
|Options                                          | 8,505,162          | 5,723,000          | -                 
|                                                 | ------------------ | ------------------ | ------------------
|Weighted number of common shares and dilutive    |                    |                    |                   
|potential common shares used in dilutive EPS     | 46,426,744         | 43,007,671         | 28,487,816        
|                                                 | ===========        | ===========        | ===========       

|12.  INDUSTRY SEGMENTATION AND SALES BY MAJOR CUSTOMER:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|Industry Segmentation                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|The Company's operations have been classified into five segments in 2003, 2002 and 2001.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|Aircraft Modifications - principally includes the modification of customer and company owned business-size aircraft from passenger to freighter configuration, addition of aerial photography capability, and stability enhancing modifications for Learjet, Beechcraft, Cessna, and Dassault Falcon aircraft along with other specialized modifications.  We provide these services through our subsidiary, Avcon Industries, Inc. ("Aircraft Modifications" or "Avcon").  Avcon also acquires, modifies and resells Aircraft, principally Learjets.                                                                                                                                                                                                                                                                             
|Avionics - principally includes the manufacture, sale and service of airborne electronic switching units used in DC-9, DC-10, DC-9/80, MD-80, MD-90 and the KC-10 aircraft, Transient Suppression Devices (TSD's) for fuel tank protection on Boeing and other Classic aircraft using a Honeywell fuel quantity indicating system ("FQIS"), airborne electronics upgrades for classic weapon control systems used on military aircraft and vehicles, and consulting services with airlines and equipment manufacturers regarding fuel system safety requirements.  We provide the products through our subsidiary, Butler National Corporation - Tempe, Arizona and the services through Butler National Corporation - Olathe, Kansas.  ("Avionics", "Classic Aviation Products", "Safety Products", "Switching Units", or "WAI").
|Gaming -principally includes business management services and advances to Indian tribes in connection with the Indian Gaming Regulatory Act of 1988.  We provide these advances through our subsidiary, Butler National Service Corporation ("Management Services", "Gaming" "IGC" or "BNSC").                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
|SCADA Systems and Monitoring Services - principally includes the monitoring of water and wastewater remote pumping stations through electronic surveillance for municipalities and the private sector and related repair services.  We provide these services through our subsidiary, Butler National Services, Inc. ("Monitoring Services" or "BNS").                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|Temporary Services - provides temporary employee services for corporate clients.  We provide these services through our subsidiary, Butler Temporary Services, Inc. ("Temporary Services" or "BTS").                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
|Professional Services:  We provide as a management service licensed architectural and structural engineering services through our subsidiary, BCS Design, Inc.  These services include commercial and industrial building design, graphic representation, engineering and construction management.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                

|Year ended April 30, 2003  
|---------------------------
|                           
|Net Sales                  
|Depreciation               
|Operating profit (loss) (a)
|Capital Expenditures       
|including advances         
|Interest, net              
|Other income               
|Income before tax          
|Income taxes               
|Net profit (loss)          
|Identifiable assets        

|Year ended April 30, 2002  
|---------------------------
|                           
|Net Sales                  
|Depreciation               
|Operating profit (loss) (a)
|Capital Expenditures       
|including advances         
|Interest, net              
|Other income               
|Income before tax          
|Income taxes               
|Net profit (loss)          
|Identifiable assets        

|Year ended April 30, 2001  
|---------------------------
|                           
|Net Sales                  
|Depreciation               
|Operating profit (loss) (a)
|Capital Expenditures       
|Including advances         
|Interest, net              
|Other income               
|Loss before tax            
|Operations                 
|Income taxes               
|Net profit (loss)          
|Identifiable assets        

|(a) 	Operating expenses not specifically identifiable are allocated based upon sales, costs of sales, square footage or 		other factors as considered appropriate.
|------------------------------------------------------------------------------------------------------------------------------------------------------------------
|(b)	Segment of Temporaries had no activity in the three year period ended April 30, 2003.                                                                         

|Major Customers:  Sales to major customers (10 percent or more of consolidated sales) were as follows:
|------------------------------------------------------------------------------------------------------
|                                                                                                      
|Monitoring services (Plantation)                                                                      
|Aircraft sales (Private corporation)                                                                  
|Indian Management Services                                                                            



|14.  Summary of Quarterly Financial Information (Unaudited):  The following table sets forth selected unaudited financial information for each quarter of 2003 and 2002 (in thousands, except per share amounts)
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

|2003                                        |   | First |   | Second |   | Third |   | Fourth |   | Total
|------------------------------------------- | - | ----- | - | ------ | - | ----- | - | ------ | - | -----
|Revenue                                     | $ | 1,176 | $ | 1,598  | $ | 1,806 | $ | 1,705  | $ | 6,285
|Operating Income (Loss)                     |   | (119) |   | 87     |   | 166   |   | 11     |   | 145  
|Nonoperating Income (Expense)               |   | (28)  |   | (33)   |   | (27)  |   | (31)   |   | (119)
|Net Income (Loss)                           |   | (147) |   | 54     |   | 139   |   | (20)   |   | 26   
|Basic and Diluted Earnings (Loss) per Share |   | .00   |   | .00    |   | .00   |   | 00     |   | .00  
|                                            |   |       |   |        |   |       |   |        |   |      
|2002                                        |   | First |   | Second |   | Third |   | Fourth |   | Total
|Revenue                                     | $ | 3,255 | $ | 2,666  | $ | 1,453 | $ | 1,655  | $ | 9,029
|Operating Income (Loss)                     |   | 576   |   | 635    |   | 57    |   | 8      |   | 1.276
|Nonoperating Income (Expense)               |   | (49)  |   | (47)   |   | (55)  |   | 0      |   | (151)
|Net Income (Loss)                           |   | 527   |   | 588    |   | 2     |   | 8      |   | 1,125
|Basic and Diluted Earnings (Loss) per Share |   | .02   |   | .02    |   | .00   |   | 00     |   | .03  
|                                            |   |       |   |        |   |       |   |        |   |      

|SCHEDULE II                                                 
|------------------------------------------------------------
|                                                            
|BUTLER NATIONAL CORPORATION AND SUBSIDIARIES                
|                                                            
|SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS AND RESERVES
|                                                            
|FOR THE YEARS ENDED APRIL 30, 2003, 2002 AND 2001           

|                                                                                |   | Balance at Beginning of Year |   | Additions Charged to Costs and Expenses |   | Deductions |   | Balance at End of Year
|------------------------------------------------------------------------------- | - | ---------------------------- | - | --------------------------------------- | - | ---------- | - | ----------------------
|Description                                                                     |   |                              |   |                                         |   |            |   |                       
|Year ended April 30, 2003                                                       |   |                              |   |                                         |   |            |   |                       
|Allowance for doubtful accounts                                                 | $ | 122,520                      | $ | -                                       | $ | 111,801    | $ | 10,719                
|Reserve for inventory obsolescence                                              |   | 195,495                      |   | 11,840                                  |   | -          |   | 207,335               
|Reserve for Indian gaming development                                           |   | 2,718,928                    |   | -                                       |   | -          |   | 2,718,928             
|Deferred interest (1)                                                           |   | 173,000                      |   | -                                       |   | 47,000     |   | 126,000               
|Income tax valuation allowance                                                  |   | 3,171,000                    |   | -                                       |   | 61,000     |   | 3,110,000             
|                                                                                |   |                              |   |                                         |   |            |   |                       
|Year ended April 30, 2002                                                       |   |                              |   |                                         |   |            |   |                       
|Allowance for doubtful accounts                                                 | $ | 11,700                       | $ | 110,820                                 | $ | -          | $ | 122,520               
|Reserve for inventory obsolescence                                              |   | 325,779                      |   | -                                       |   | 130,284    |   | 195,495               
|Reserve for Indian gaming development                                           |   | 2,718,928                    |   | -                                       |   | 0          |   | 2,718,928             
|Deferred interest (1)                                                           |   | 230,000                      |   | -                                       |   | 57,000     |   | 173,000               
|Income tax valuation allowance                                                  |   | 3,493,000                    |   | -                                       |   | 322,000    |   | 3,171,000             
|                                                                                |   |                              |   |                                         |   |            |   |                       
|Year ended April 30, 2001                                                       |   |                              |   |                                         |   |            |   |                       
|Allowance for doubtful accounts                                                 | $ | 25,600                       | $ | -                                       | $ | 13,900     | $ | 11,700                
|Reserve for inventory obsolescence                                              |   | 308,133                      |   | 17,646                                  |   | -          |   | 325,779               
|Reserve for Indian gaming development                                           |   | 2,718,928                    |   | -                                       |   | -          |   | 2,718,928             
|Deferred interest (1)                                                           |   | 293,000                      |   | -                                       |   | 63,000     |   | 230,000               
|Income tax valuation allowance                                                  |   | 3,205,000                    |   | 288,000                                 |   | -          |   | 3,493,000             
|                                                                                |   |                              |   |                                         |   |            |   |                       
|                                                                                |   |                              |   |                                         |   |            |   |                       
|(1) Interest to be paid as part of the note payable on discontinued operations.