Document:

Fifth Amendment to Security Agreement

 Exhibit 10.9 
 FIFTH AMENDMENT TO SECURITY AGREEMENT 
 [Great Lakes Aviation, Ltd.] 
 THIS FIFTH AMENDMENT TO SECURITY AGREEMENT [Great Lakes Aviation, Ltd.] is entered into as of March 23, 2007 (the “Agreement”), by and
between Great Lakes Aviation Ltd., as debtor (the “Debtor”), and Raytheon Aircraft Credit Corporation (the “Secured Party”). 
 WITNESSETH: 
 WHEREAS, Debtor and Secured Party are parties to an existing security agreement as previously amended from
time to time that is described and defined on Exhibit A attached hereto and referred to as the “Security Agreement” (capitalized terms used and not defined herein shall have the meanings ascribed thereto in the Security Agreement);

 WHEREAS, the Security Agreement encumbers various aircraft parts and other collateral collectively described herein as the
“Collateral”; 
 WHEREAS, Debtor has entered into an Amended and Restated Restructuring Agreement dated as of March 9, 2007
with the Secured Party (as amended and in effect from time to time, the “2007 Restructuring Agreement”) whereby, among other things, the Secured Party has agreed to restructure its financing of certain aircraft; 
 WHEREAS, the parties intend by this instrument to amend the Security Agreement as of March __, 2007, to specifically reflect that the Security
Agreement secures payments of the Debtor’s obligations under the 2007 Restructuring Agreement and the Notes as defined therein (as so defined, the “Notes”) in addition to any and all other indebtedness owed by Debtor to Secured Party
(whether now existing or hereinafter arising), as well as any renewals, extensions or changes in the form of said obligations or indebtedness; 
 WHEREAS, the parties, by this amendment, intend to include a updated listing of all Collateral relating to Debtor’s obligations under the 2007 Restructuring Agreement and the Notes as well as any and all other indebtedness owed by
Debtor to the Secured Party; 
  

					
	FAA Security Agreement Amendment	  		  	

 NOW, THEREFORE, for good and valuable consideration, the receipt and sufficiency of which is
acknowledged, the parties hereto agree as follows: 
  

	1.	Debtor acknowledges and confirms that the security interest granted pursuant to Section 1 of the Security Agreement secures payment of all indebtedness, obligations and
liabilities of Debtor to Secured Party, now existing or arising hereafter, direct or indirect, joint or several, absolute or contingent, matured or unmatured, liquidated or unliquidated, secured or unsecured, arising by contract, operation of law or
otherwise, arising or incurred under the 2007 Restructuring Agreement, the Notes and the other Transaction Documents (as defined in the 2007 Restructuring Agreement), including, without limitation, all such indebtedness, obligations and liabilities
that would become due but for the operation of the automatic stay pursuant to section 362(a) of the Federal Bankruptcy Code and the operation of sections 502(b) and 506(b) of the Federal Bankruptcy Code and including, without limitation,
post-petition interest; 

  

	2.	Exhibit A to the Security Agreement is hereby amended in its entirety by substituting in its place Exhibit A-1 hereto, and all locations previously subject
to the Security Agreement, and not described on Exhibit A-1 hereto, are hereby released from the terms thereof. 

  

	3.	Exhibit B to the Security Agreement is hereby amended in its entirety by substituting in its place Exhibit B-1 hereto, and all engines previously subject to
the Security Agreement, and not described on Exhibit B-1 hereto, are hereby released from the terms thereof. 

  

	4.	Debtor hereby grants to Secured Party a security interest in all of the Collateral described on Exhibit A-1 and Exhibit B-1 attached hereto. Except as modified and
supplemented hereby, the Security Agreement remains in full force and effect and is hereby ratified and confirmed. 

  

	5.	Debtor hereby covenants and agrees that it is a certificated air carrier holding a certificate issued under 40 U.S.C. § 44705. 

  

	6.	 THIS AMENDMENT WAS MADE AND ENTERED INTO IN THE STATE OF KANSAS AND THE LAW GOVERNING THIS TRANSACTION SHALL BE THAT OF THE STATE OF KANSAS AS IT MAY FROM TIME
TO TIME EXIST. THE PARTIES AGREE THAT ANY LEGAL PROCEEDING BASED UPON THE PROVISIONS OF THIS AMENDMENT OR THE SECURITY AGREEMENT AS AMENDED HEREBY SHALL BE BROUGHT EXCLUSIVELY IN EITHER THE UNITED STATES DISTRICT COURT FOR THE DISTRICT OF KANSAS AT
WICHITA, KANSAS, OR IN THE EIGHTEENTH JUDICIAL DISTRICT COURT OF SEDGWICK COUNTY, KANSAS, TO THE EXCLUSION OF ALL OTHER COURTS AND TRIBUNALS. NOTWITHSTANDING THE ABOVE, IN THE EVENT AN “EVENT OF 

  

					
	FAA Security Agreement Amendment	  	- 2 -	  	

	 	 
DEFAULT” SHOULD OCCUR, RACC (AT ITS SOLE OPTION) MAY INSTITUTE A LEGAL PROCEEDING IN ANY JURISDICTION AS MAY BE APPROPRIATE IN ORDER FOR RACC TO
OBTAIN POSSESSION OF THE COLLATERAL. THE PARTIES HEREBY CONSENT AND AGREE TO BE SUBJECT TO THE JURISDICTION OF THE AFORESAID COURTS IN SUCH PROCEEDINGS. THE PARTIES EACH IRREVOCABLY WAIVES ANY OBJECTION, INCLUDING ANY OBJECTION TO THE LAYING OF
VENUE OR BASED ON THE GROUNDS OF FORUM NON CONVENIENS, WHICH IT MAY NOW OR HEREAFTER HAVE TO THE BRINGING OF ANY ACTION OR PROCEEDING IN SUCH JURISDICTION IN RESPECT OF THIS AMENDMENT, THE SECURITY AGREEMENT AS AMENDED HEREBY OR OTHER DOCUMENT
RELATED THERETO. THE PARTIES EACH WAIVES PERSONAL SERVICE OF ANY SUMMONS, COMPLAINT OR OTHER PROCESS, WHICH MAY BE MADE BY ANY OTHER MEANS PERMITTED BY THE LAW OF SUCH APPLICABLE STATE. 

  

	7.	ALL PARTIES TO THIS AMENDMENT HEREBY VOLUNTARILY, KNOWINGLY AND IRREVOCABLY WAIVE ANY CONSTITUTIONAL OR OTHER RIGHT EACH MAY HAVE TO A TRIAL BY JURY IN THE EVENT OF LITIGATION
CONCERNING THIS AMENDMENT OR THE SECURITY AGREEMENT AS AMENDED HEREBY. 

  

	8.	This Amendment may be executed and delivered by the parties hereto in separate counterparts, each of which when executed and delivered, shall be an original, but all such
counterparts shall together constitute but one and the same instrument. 

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blank.] 
  

					
	FAA Security Agreement Amendment	  	- 3 -	  	

 Executed as of this 23 day of March, 2007, at Wichita, Kansas. 
  

							
	 GREAT LAKES AVIATION, LTD.
	 	RAYTHEON AIRCRAFT CREDIT CORPORATION
				
	By:	 	 /s/ Michael Matthews
	 	By:	 	 /s/ Andrew Mathews

	Name:	 	Michael Matthews	 	Name:	 	Andrew Mathews
	Title:	 	Chief Financial Officer	 	Title:	 	President

  

					
	FAA Security Agreement Amendment	  	- 4 -	  	

 EXHIBIT A 
 Security Agreement 
 Security Agreement and Encumbrance Against Air Carrier Aircraft Engines, Propellers,
Appliances and Spare Parts dated August 21, 1997 by and between Great Lakes Aviation, Ltd., as debtor, and Raytheon Aircraft Credit Corporation, as secured party, recorded by the Federal Aviation Administration Aircraft Registry on
October 1, 1997 as Conveyance Number XX008998 amended by the Amendment dated as of December 1, 2000, recorded October 4, 2001, as Conveyance No. NN022610, amended by Second Amendment and Supplement to Security Agreement dated as of
June 29, 2001, recorded October 4, 2001, as Conveyance No. NN022612, amended by Third Amendment to Security Agreement dated as of July 2, 2001, recorded October 5, 2001, as Conveyance No. NN022613, and amended by Fourth Amendment
to Security Agreement dated as of December 31, 2002, recorded January 27, 2003, as Conveyance No. BB038341. 
  

					
	FAA Security Agreement Amendment	  		  	

					
		  	EXHIBIT A-1	  	
			
		  	Great Lakes Aviation, Ltd.	  	
		  	Spare Parts Locations	  	
			
		  	 GREAT LAKES AVIATION
	  	
		  	 1022 AIRPORT PARKWAY
	  	
		  	 CHEYENNE WY. 82001
	  	
			
		  	 CERTIFIED REPAIR STATION
	  	
		  	 1204 AIRPORT PARKWAY
	  	
		  	 CHEYENNE, WY 82001
	  	
			
		  	 GREAT LAKES AVIATION
	  	
		  	 3851 N. SKY PARK ROAD
	  	
		  	 GRAND ISLAND, NE 68801
	  	
			
		  	 GREAT LAKES AVIATION
	  	
		  	 HURON REGIONAL A/P
	  	
		  	 1501 COLORADO AVENUE N.W.
	  	
		  	 HURON, SD 57350
	  	
			
		  	 GREAT LAKES AVIATION
	  	
		  	 8900 PEÑA BLVD., A-52
	  	
		  	 DENVER, CO 80249
	  	

 EXHIBIT B-1 
 Great Lakes Aviation, Ltd. 
 Spare Engines 
  
  

			
	 Engine Model
	  	 Engine Serial #

	PT6A-67D	  	114179
	PT6A-67D	  	PS0090
	PT6A-67D	  	PS0082
	PT6A-67D	  	PS0069
	PT6A-67D	  	PS0059
	PT6A-67D	  	PS0084
	PT6A-67D	  	114267
	PT6A-67D	  	PS0072
	PT6A-67D	  	114218
	PT6A-67D	  	PS0017
	PT6A-67D	  	114277
	PT6A-67D	  	PS0056
	PT6A-67D	  	PS0001
	PT6A-67D	  	114305
	PT6A-65B	  	32358Form of First Amendment to Amended and Restated Security Agreement

 Exhibit 10.11 
 FIRST AMENDMENT TO [AMENDED AND RESTATED] SECURITY AGREEMENT 
 THIS FIRST AMENDMENT TO [AMENDED
AND RESTATED] SECURITY AGREEMENT is entered into as of March 23, 2007 (this “Amendment”), by and between Great Lakes Aviation Ltd., as debtor (the “Debtor”), and Raytheon Aircraft Credit Corporation (the “Secured
Party”). 
 WITNESSETH: 
 WHEREAS, Debtor and Secured Party are parties to an existing [amended and restated] security agreement that is described and defined on Exhibit A attached hereto and referred to as the “Security Agreement”
(capitalized terms used and not defined herein shall have the meanings ascribed thereto in the Security Agreement); 
 WHEREAS, Debtor has
entered into an Amended and Restated Restructuring Agreement dated as of March 9, 2007 with the Secured Party (as amended and in effect from time to time, the “2007 Restructuring Agreement”) whereby, among other things, the Secured
Party has agreed to restructure the indebtedness evidenced by the [Amended and Restated] Promissory Note dated as of December 31, 2002 of Debtor issued to Secured Party and referred to in the Security Agreement as the Promissory Note
(the “Existing Promissory Note”); 
 WHEREAS, as part of such Restructuring Agreement, Debtor has issued in substitution as
replacement for the Existing Note, [a Second][an] Amended and Restated Promissory Note dated as of the date hereof (the “2007 Promissory Note”); 
 WHEREAS, the parties intend by this instrument to amend the Security Agreement as of the date hereof to specifically reflect that (i) the references in the Security Agreement to the “Restructuring
Agreement” are to the 2007 Restructuring Agreement and (ii) the references to the “Promissory Note” are to the 2007 Promissory Note, all on the terms set forth in this Amendment; 
 NOW, THEREFORE, for good and valuable consideration, the receipt and sufficiency of which is acknowledged, the parties hereto agree as follows:

  

	1.	The definition of the “Promissory Note” in the Security Agreement is hereby amended to mean the 2007 Promissory Note, as it may be amended or amended and restated and in
effect from time to time. 

  

					
	Form of Aircraft Security Agreement Amendment	  		  	

	2.	The definition of the “Restructuring Agreement” in the Security Agreement is hereby amended to mean the 2007 Restructuring Agreement, as it may be amended or amended and
restated and in effect from time to time. 

  

	3.	Except as modified and supplemented hereby, the Security Agreement remains in full force and effect and is hereby ratified and confirmed. 

  

	4.	THIS AMENDMENT WAS MADE AND ENTERED INTO IN THE STATE OF KANSAS AND THE LAW GOVERNING THIS TRANSACTION SHALL BE THAT OF THE STATE OF KANSAS AS IT MAY FROM TIME TO TIME EXIST. THE
PARTIES AGREE THAT ANY LEGAL PROCEEDING BASED UPON THE PROVISIONS OF THIS AMENDMENT OR THE SECURITY AGREEMENT AS AMENDED HEREBY SHALL BE BROUGHT EXCLUSIVELY IN EITHER THE UNITED STATES DISTRICT COURT FOR THE DISTRICT OF KANSAS AT WICHITA, KANSAS, OR
IN THE EIGHTEENTH JUDICIAL DISTRICT COURT OF SEDGWICK COUNTY, KANSAS, TO THE EXCLUSION OF ALL OTHER COURTS AND TRIBUNALS. NOTWITHSTANDING THE ABOVE, IN THE EVENT AN “EVENT OF DEFAULT” SHOULD OCCUR, RACC (AT ITS SOLE OPTION) MAY INSTITUTE A
LEGAL PROCEEDING IN ANY JURISDICTION AS MAY BE APPROPRIATE IN ORDER FOR RACC TO OBTAIN POSSESSION OF THE COLLATERAL. THE PARTIES HEREBY CONSENT AND AGREE TO BE SUBJECT TO THE JURISDICTION OF THE AFORESAID COURTS IN SUCH PROCEEDINGS. THE PARTIES EACH
IRREVOCABLY WAIVES ANY OBJECTION, INCLUDING ANY OBJECTION TO THE LAYING OF VENUE OR BASED ON THE GROUNDS OF FORUM NON CONVENIENS, WHICH IT MAY NOW OR HEREAFTER HAVE TO THE BRINGING OF ANY ACTION OR PROCEEDING IN SUCH JURISDICTION IN RESPECT OF THIS
AMENDMENT, THE SECURITY AGREEMENT AS AMENDED HEREBY OR OTHER DOCUMENT RELATED THERETO. THE PARTIES EACH WAIVES PERSONAL SERVICE OF ANY SUMMONS, COMPLAINT OR OTHER PROCESS, WHICH MAY BE MADE BY ANY OTHER MEANS PERMITTED BY THE LAW OF SUCH APPLICABLE
STATE. 

  

	5.	ALL PARTIES TO THIS AMENDMENT HEREBY VOLUNTARILY, KNOWINGLY AND IRREVOCABLY WAIVE ANY CONSTITUTIONAL OR OTHER RIGHT EACH MAY HAVE TO A TRIAL BY JURY IN THE EVENT OF LITIGATION
CONCERNING THIS AMENDMENT OR THE SECURITY AGREEMENT AS AMENDED HEREBY. 

  

					
	Form of Aircraft Security Agreement Amendment	  	- 2 -	  	

	6.	This Amendment may be executed and delivered by the parties hereto in separate counterparts, each of which when executed and delivered, shall be an original, but all such
counterparts shall together constitute but one and the same instrument. 

 [The remainder of this page is intentionally left
blank.] 
  

					
	Form of Aircraft Security Agreement Amendment	  	- 3 -	  	

 Executed as of this 23 day of March, 2007, at Wichita, Kansas. 
  

							
	GREAT LAKES AVIATION, LTD.	 	RAYTHEON AIRCRAFT CREDIT CORPORATION
				
	By:	 	 /s/ Michael Matthews
	 	By:	 	 /s/ Andrew Mathews

	Name:	 	Michael Matthews	 	Name:	 	Andrew Mathews
	Title:	 	Chief Financial Officer	 	Title:	 	President

  

					
	Form of Aircraft Security Agreement Amendment	  	- 4 -	  	

 EXHIBIT A 
 Security Agreement 
 [Amended and Restated] Security Agreement dated as of December 31, 2002 by
and between Great Lakes Aviation, Ltd., as debtor, and Raytheon Aircraft Credit Corporation, as secured party, recorded by the Federal Aviation Administration Aircraft Registry on
                 as Conveyance Number                 . 
  

					
	Form of Aircraft Security Agreement Amendment

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