----

----

| x | QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 |
|---|-----------------------------------------------------------------------------------------|

| o | TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 |
|---|------------------------------------------------------------------------------------------|

| Missouri(State or other jurisdiction of incorporation or organization)                |   | 43-1309065(I.R.S. Employer Identification No.) |
|---------------------------------------------------------------------------------------|--------|------------------------------------------------|
|                                                                                  |   |                                           |
| 411 Fountain Lakes Blvd.St. Charles, Missouri(Address of principal executive offices) |   |  63301(Zip Code)                          |

| Large accelerated filer |   | o |   | Accelerated filer         |   | x |
|-------------------------|--------|---|--------|---------------------------|--------|---|
| Non-accelerated filer   |   | o |   | Smaller reporting company |   | o |

----

----

----

QUARTERLY REPORT 

|           | Page No.                                                                                            |
|----------------|-----------------------------------------------------------------------------------------------------|
|           |                                                                                                |
| Item 1.        | Financial Statements (Unaudited).                                                                   |   |
|           |                                                                                                |
|           | Condensed Consolidated Balance Sheets as of March 31, 2011 and December 31, 2010.                   | 2 |
|           |                                                                                                |
|           | Condensed Consolidated Statements of Operations for the three months ended March 31, 2011 and 2010. | 3 |
|           |                                                                                                |
|           | Condensed Consolidated Statements of Cash Flows for the three months ended March 31, 2011 and 2010. | 4 |
|           |                                                                                                |
|           | Notes to Condensed Consolidated Financial Statements.                                               | 5 |
|           |                                                                                                |
| Item 2.        | Management’s Discussion and Analysis of Financial Condition and Results of Operations.        | 10 |
|           |                                                                                                |   |
| Item 3.        | Quantitative and Qualitative Disclosures About Market Risk.                                         | 14 |
|           |                                                                                                |   |
| Item 4.        | Controls and Procedures.                                                                            | 14 |
|           |                                                                                                |   |
|           | PART II.  OTHER INFORMATION                                                               |   |
|           |                                                                                                |   |
| Item 1.        | Legal Proceedings.                                                                                  | 15 |
|           |                                                                                                |   |
| Item 1A.       | Risk Factors.                                                                                       | 15 |
|           |                                                                                                |   |
| Item 2.        | Unregistered Sales of Equity Securities and Use of Proceeds.                                        | 15 |
|           |                                                                                                |   |
| Item 3.        | Defaults Upon Senior Securities.                                                                    | 15 |
|           |                                                                                                |   |
| Item 4.        | Reserved.                                                                                           | 15 |
|           |                                                                                                |   |
| Item 5.        | Other Information.                                                                                  | 15 |
|           |                                                                                                |   |
| Item 6.        | Exhibits.                                                                                           | 15 |
|           |                                                                                                |   |
| SIGNATURE PAGE | 16                                                                                                  |
|           |                                                                                                |
| EXHIBIT INDEX  | 17                                                                                                  |

----

Table of Contents

m 1.  Financial Statements.

Condensed Consolidated Balance Sheets

|                                                                                                                                                                 |   | March 31,  |    |   | December 31, |   |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|------------|---------|--------|--------------|--------|
|                                                                                                                                                                 |   |  2011 |    |   |  2010   |   |
|  Assets                                                                                                                                                         |   |       |    |   |         |   |
|  Current assets:                                                                                                                                                |   |       |    |   |         |   |
|  Cash and cash equivalents                                                                                                                                      |   | $          | 3,021   |   |         | $      | 1,947 |   |
| Trade accounts receivable, net of allowance of $266 at March 31, 2011 and $253 at December 2010                                                                      |   |       | 37,148  |   |         |   | 34,006 |   |
| Inventories                                                                                                                                                          |   |       | 47,144  |   |         |   | 45,148 |   |
| Prepaid expenses and other current assets                                                                                                                            |   |       | 2,514   |   |         |   | 2,729 |   |
| Deferred income taxes                                                                                                                                                |   |       | 3,379   |   |         |   | 3,846 |   |
|  Total current assets                                                                                                                                           |   |       | 93,206  |   |         |   | 87,676 |   |
|                                                                                                                                                                 |   |       |    |   |         |   |   |   |
|  Property, plant and equipment, net                                                                                                                             |   |       | 21,684  |   |         |   | 21,346 |   |
|  Goodwill                                                                                                                                                       |   |       | 49,102  |   |         |   | 49,102 |   |
|  Intangible assets, net                                                                                                                                         |   |       | 19,131  |   |         |   | 20,827 |   |
|  Other assets                                                                                                                                                   |   |       | 892     |   |         |   | 898 |   |
|  Total assets                                                                                                                                                   |   | $          | 184,015 |   |         | $      | 179,849 |   |
|                                                                                                                                                                 |   |       |    |   |         |   |   |   |
|  Liabilities and shareholders’ equity                                                                                                                     |   |       |    |   |         |   |   |   |
|  Current liabilities:                                                                                                                                           |   |       |    |   |         |   |   |   |
| Accounts payable                                                                                                                                                     |   | $          | 7,813   |   |         | $      | 7,898 |   |
| Accrued expenses                                                                                                                                                     |   |       | 10,458  |   |         |   | 11,246 |   |
| Short-term deferred gain on sale of real estate                                                                                                                      |   |       | 233     |   |         |   | 233 |   |
| Current installments of long-term debt and capital lease obligations                                                                                                 |   |       | 152     |   |         |   | 181 |   |
| Total current liabilities                                                                                                                                            |   |       | 18,656  |   |         |   | 19,558 |   |
|                                                                                                                                                                 |   |       |    |   |         |   |   |   |
|  Long-term deferred gain on sale of real estate                                                                                                                 |   |       | 3,015   |   |         |   | 3,073 |   |
|  Long-term debt and capital lease obligations, less current installments                                                                                        |   |       | -       |   |         |   | 28 |   |
|  Deferred income taxes                                                                                                                                          |   |       | 7,427   |   |         |   | 7,427 |   |
|  Total long-term liabilities                                                                                                                                    |   |       | 10,442  |   |         |   | 10,528 |   |
|                                                                                                                                                                 |   |       |    |   |         |   |   |   |
|  Shareholders’ equity:                                                                                                                                    |   |       |    |   |         |   |   |   |
| Common stock, $0.02 par value per share; authorized 28,000,000 shares; issued 12,121,745 and 12,075,030 shares at March 31, 2011 and December 31, 2010, respectively |   |       | 242     |   |         |   | 242 |   |
| Preferred stock, $0.02 par value per share; authorized 2,000,000 shares; none issued at either date                                                                  |   |       | -       |   |         |   | - |   |
| Additional paid-in capital                                                                                                                                           |   |       | 74,099  |   |         |   | 73,440 |   |
| Treasury stock, at cost, 254,142 shares at March 31, 2011 and 301,772 shares at December 31, 2010                                                                    |   |       | (1,206  | )      |         |   | (1,432 | ) |
| Retained earnings                                                                                                                                                    |   |       | 81,782  |   |         |   | 77,513 |   |
|  Total shareholders’ equity                                                                                                                               |   |       | 154,917 |   |         |   | 149,763 |   |
|  Total liabilities and shareholders’ equity                                                                                                               |   | $          | 184,015 |   |         | $      | 179,849 |   |

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Table of Contents

Condensed Consolidated Statements of Operations

|                                                      | Three Months Ended |   |
|-----------------------------------------------------------|--------------------|--------|
|                                                      | March 31,          |   |
|                                                      |               | 2011   |   |   | 2010 |   |
|                                                      |               |   |   |   |   |   |
| Sales and service revenue                                 |               |   |   |   |   |   |
| Product sales                                             |               | $      | 37,354 |   |   | $ | 40,244 |   |
| Service revenue                                           |               |   | 23,545 |   |   |   | 20,171 |   |
| Net sales                                                 |               |   | 60,899 |   |   |   | 60,415 |   |
| Cost of sales and service revenue                         |               |   |   |   |   |
| Cost of product sales                                     |               |   | 26,649 |   |   |   | 29,516 |   |
| Cost of service revenue                                   |               |   | 19,692 |   |   |   | 16,493 |   |
| Cost of sales                                             |               |   | 46,341 |   |   |   | 46,009 |   |
| Gross profit                                              |               |   | 14,558 |   |   |   | 14,406 |   |
|                                                      |               |   |   |   |   |   |   |   |
| Selling, general and administrative expenses              |               |   | 8,651 |   |   |   | 8,040 |   |
| Income from operations                                    |               |   | 5,907 |   |   |   | 6,366 |   |
|                                                      |               |   |   |   |   |   |   |   |
| Other income (expense):                                   |               |   |   |   |   |   |   |   |
| Interest expense, net                                     |               |   | (137 | ) |   |   | (227 | ) |
| Other, net                                                |               |   | 23 |   |   |   | (4 | ) |
| Total other expense                                       |               |   | (114 | ) |   |   | (231 | ) |
|                                                      |               |   |   |   |   |   |   |   |
| Income before income taxes                                |               |   | 5,793 |   |   |   | 6,135 |   |
| Provision for income taxes                                |               |   | 1,524 |   |   |   | 2,239 |   |
|                                                      |               |   |   |   |   |   |   |   |
| Net income                                                |               | $      | 4,269 |   |   | $ | 3,896 |   |
|                                                      |               |   |   |   |   |   |   |   |
| Amounts per common share:                                 |               |
| Net income per common share                               |               | $      | 0.37 |   |   | $ | 0.34 |   |
|                                                      |               |   |   |   |   |   |   |   |
| Net income per common share assuming dilution             |               | $      | 0.37 |   |   | $ | 0.34 |   |
|                                                      |               |   |   |   |   |   |   |   |
| Weighted average common shares outstanding                |               |   |    11,509,198  |   |   |   |   11,369,768  |   |
|                                                      |               |
|  Weighted average dilutive common shares outstanding |               |   |   11,693,800  |   |   |   | 11,462,302 |   |

----

Table of Contents

Condensed Consolidated Statements of Cash Flows

|                                                                              | Three Months Ended |   |
|-----------------------------------------------------------------------------------|--------------------|--------|
|                                                                              | March 31,          |   |
|                                                                              |               | 2011   |   |   | 2010 |   |
| Operating activities:                                                             |               |   |   |   |   |   |
| Net income                                                                        |               | $      | 4,269 |   |   | $ | 3,896 |   |
| Adjustments to reconcile net income to net cash provided by operating activities: |               |   |   |   |   |
| Depreciation and amortization                                                     |               |   | 1,812 |   |   |   | 1,942 |   |
| Intangible asset impairment                                                       |               |   | 1,163 |   |   |   | - |   |
| Contingent consideration write-off                                                |               |   | (1,235 | ) |   |   | - |   |
| Restricted stock compensation                                                     |               |   | 375 |   |   |   | 467 |   |
| Deferred taxes                                                                    |               |   | 467 |   |   |   | - |   |
| Other noncash items                                                               |               |   | 377 |   |   |   | 8 |   |
| Changes in operating assets and liabilities:                                      |               |   |   |   |   |   |   |   |
| Trade accounts receivable                                                         |               |   | (3,158 | ) |   |   | (3,628 | ) |
| Inventories                                                                       |               |   | (2,308 | ) |   |   | (115 | ) |
| Prepaid expenses and other assets                                                 |               |   | (320 | ) |   |   | 45 |   |
| Current income taxes                                                              |               |   | 847 |   |   |   | 796 |   |
| Accounts payable                                                                  |               |   | (85 | ) |   |   | 42 |   |
| Accrued expenses                                                                  |               |   | 635 |   |   |   | 2,997 |   |
| Net cash provided by operating activities                                         |               |   | 2,839 |   |   |   | 6,450 |   |
| Investing activities:                                                             |               |   |   |   |   |   |   |   |
| Additions to property, plant and equipment                                        |               |   | (1,617 | ) |   |   | (1,551 | ) |
| Net cash used by investing activities                                             |               |   | (1,617 | ) |   |   | (1,551 | ) |
| Financing activities:                                                             |               |   |   |   |   |   |   |   |
| Principal payments on long-term debt and notes payable                            |               |   | (57 | ) |   |   | (99 | ) |
| Advances on revolving line of credit                                              |               |   | - |   |   |   | 7,692 |   |
| Payments on revolving line of credit                                              |               |   | - |   |   |   | (12,692 | ) |
| Changes in outstanding checks in excess of bank deposits                          |               |   | - |   |   |   | 417 |   |
| Other, net                                                                        |               |   | (91 | ) |   |   | 62 |   |
| Net cash used by financing activities                                             |               |   | (148 | ) |   |   | (4,620 | ) |
| Net increase in cash and cash equivalents                                         |               |   | 1,074 |   |   |   | 279 |   |
| Cash and cash equivalents, beginning of year                                      |               |   | 1,947 |   |   |   | 31 |   |
| Cash and cash equivalents, end of quarter                                         |               | $      | 3,021 |   |   | $ | 310 |   |

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Table of Contents

Notes to Condensed Consolidated Financial Statements

|                              | For the three months ended |   |
|-----------------------------------|----------------------------|--------|
|                              | March 31, 2010             |   |
|                              | As Previously              |   |   | As |   |
|                              | Presented                  |   |   | Revised |   |
| Sales and service revenue         |                       |   |   |   |   |   |
| Product sales                     |                       | $      | 40,244 |   |   | $ | 40,244 |   |
| Service revenue                   |                       |   | 20,171 |   |   |   | 20,171 |   |
| Net sales                         |                       |   | 60,415 |   |   |   | 60,415 |   |
| Cost of sales and service revenue |                       |   |   |   |   |
| Cost of product sales             |                       |   | 27,776 |   |   |   | 29,516 |   |
| Cost of service revenue           |                       |   | 18,233 |   |   |   | 16,493 |   |
| Cost of sales                     |                       |   | 46,009 |   |   |   | 46,009 |   |
| Gross profit                      |                       | $      | 14,406 |   |   | $ | 14,406 |   |

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Table of Contents

|                                  | March 31, |   |   | December 31, |   |
|---------------------------------------|-----------|--------|--------|--------------|--------|
|                                  |      | 2011   |   |         | 2010   |   |
|                                  |      |   |   |         |   |   |
| Raw materials                         |      | $      | 9,362  |         |   | $ | 9,016 |   |
| Work in progress                      |      |   | 8,798  |         |   |   | 7,972 |   |
| Manufactured and purchased components |      |   | 11,842 |         |   |   | 11,422 |   |
| Finished goods                        |      |   | 13,913 |         |   |   | 13,424 |   |
| Product inventory                     |      |   | 43,915 |         |   |   | 41,834 |   |
| Capitalized contract costs            |      |   | 3,229  |         |   |   | 3,314 |   |
| Total inventories                     |      | $      | 47,144 |         |   | $ | 45,148 |   |

|                       |   | March 31, |   |   | December 31, |   |
|----------------------------|--------|-----------|--------|--------|--------------|--------|
|                       |   | 2011      |   |   | 2010         |   |
|                       |   |      |   |   |         |   |
| Trademarks                 |   | $         | 4,582  |   |         | $      | 4,582 |   |
| Customer intangible assets |   |      | 21,515 |   |         |   | 21,515 |   |
| Other                      |   |      | 582    |   |         |   | 2,082 |   |
| Accumulated amortization   |   |      | (7,548 | )      |         |   | (7,352 | ) |
| Intangible assets, net     |   | $         | 19,131 |   |         | $      | 20,827 |   |

----

Table of Contents

| Year ending December 31,                                      |                  |   |   |   |
|---------------------------------------------------------------|-----------------------|--------|--------|--------|
|                                                          | 2011                  | (1     | )      | $      | 1,489 |   |
|                                                          | 2012                  |   |   |   | 1,975 |   |
|                                                          | 2013                  |   |   |   | 1,891 |   |
|                                                          | 2014                  |   |   |   | 1,773 |   |
|                                                          | 2015                  |   |   |   | 1,678 |   |
|                                                          | 2016                  |   |   |   | 1,521 |   |
|                                                          | Thereafter            |   |   |   | 4,582 |   |
|                                                          |  Nonamortizeable |   |   |   | 4,222 |   |
|                                                          |                  |   |   | $      | 19,131 |   |
|                                                          |                  |   |   |   |   |   |
| (1)Represents amortization expense for the remainder of 2011. |                  |

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Table of Contents

|                                            |   | March 31, |       |
|-------------------------------------------------|--------|-----------|------------|
|                                            |   | 2011      |       |   | 2010 |   |
|  Numerators                                |   |      |       |   |   |   |
|  Net income                                |   | $         | 4,269      |   |   | $ | 3,896 |   |
|  Denominators                              |   |      |       |   |   |   |   |   |
|  Weighted average common shares - basic    |   |      | 11,509,198 |   |   |   | 11,369,768 |   |
|                                            |   |      |       |   |   |   |   |   |
|  Dilutive effect of restricted stock       |   |      | 184,602    |   |   |   | 86,373 |   |
|  Dilutive effect of employee stock options |   |      | -          |   |   |   | 6,161 |   |
|                                            |   |      |       |   |   |   |   |   |
|  Weighted average common shares - diluted  |   |      | 11,693,800 |   |   |   | 11,462,302 |   |
|                                            |   |      |       |   |   |   |   |   |
|  Basic earnings per share                  |   | $         | 0.37       |   |   | $ | 0.34 |   |
|                                            |   |      |       |   |   |   |   |   |
|  Diluted earnings per share                |   | $         | 0.37       |   |   | $ | 0.34 |   |

|                     |   |  2011 |    |
|--------------------------|--------|------------|---------|
| Restricted Stock Awards  |   | Shares     |    | Weighted Average Grant Date Fair Value |   |
| Outstanding at January 1 |   |       | 320,671 |   |   | $ | 18.45 |   |
| Granted                  |   |       | 52,318  |   |   |   | 17.11 |   |
| Vested                   |   |       | (52,860 | ) |   |   | 24.56 |   |
| Outstanding at March 31  |   |       | 320,129 |   |   | $ | 17.25 |   |

----

Table of Contents

|                    | Three Months Ended March 31, |   |
|-------------------------|------------------------------|--------|
|                    |                         | 2011   |   |   |  2010 |   |
|                    |                         |   |   |   |   |   |
| Net sales:              |                         |   |   |   |   |   |
| Aerostructures          |                         | $      | 39,450 |   |   | $ | 41,225 |   |
| Engineering Services    |                         |   | 22,468 |   |   |   | 19,227 |   |
| Eliminations            |                         |   | (1,019 | ) |   |   | (37 | ) |
|                    |                         | $      | 60,899 |   |   | $ | 60,415 |   |
|                    |                         |   |   |   |   |   |   |   |
| Income from operations: |                         |   |   |   |   |   |   |   |
| Aerostructures          |                         | $      | 4,219 |   |   | $ | 4,665 |   |
| Engineering Services    |                         |   | 1,657 |   |   |   | 1,676 |   |
| Eliminations            |                         |   | 31 |   |   |   | 25 |   |
|                    |                         | $      | 5,907 |   |   | $ | 6,366 |   |

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Table of Contents

Item 2.  Management’s Discussion and Analysis of Financial Condition and Results of Operations.

----

Table of Contents

|                   |   | Three Months Ended |   |
|------------------------|--------|--------------------|--------|
|                   |   | March 31, 2011     |   |
|                   |   | ($ in millions)    |   |
|                   |   | Aerostructures     |   | Engineering Services |   | Elimination |   | Total |   |
| Net sales              |   | $                  | 39.5   |   |   | $ | 22.5 |   |   | $ | (1.1 | ) |   | $ | 60.9 |   |
| Cost of sales          |   |               | 28.8   |   |   |   | 18.6 |   |   |   | (1.1 | ) |   |   | 46.3 |   |
| Gross profit           |   |               | 10.7   |   |   |   | 3.9 |   |   |   | - |   |   |   | 14.6 |   |
| S, G, & A          |   |               | 6.5    |   |   |   | 2.2 |   |   |   | - |   |   |   | 8.7 |   |
| Income from operations |   | $                  | 4.2    |   |   | $ | 1.7 |   |   | $ | - |   |   | $ | 5.9 |   |
|                   |   |               |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
|                   |   | Three Months Ended |   |
|                   |   | March 31, 2010     |   |
|                   |   | ($ in millions)    |   |
|                   |   | Aerostructures     |   | Engineering Services |   | Elimination |   | Total |   |
| Net sales              |   | $                  | 41.2   |   |   | $ | 19.2 |   |   | $ | - |   |   | $ | 60.4 |   |
| Cost of sales          |   |               | 30.3   |   |   |   | 15.7 |   |   |   | - |   |   |   | 46.0 |   |
| Gross profit           |   |               | 10.9   |   |   |   | 3.5 |   |   |   | - |   |   |   | 14.4 |   |
| S, G, & A          |   |               | 6.2    |   |   |   | 1.8 |   |   |   | - |   |   |   | 8.0 |   |
| Income from operations |   | $                  | 4.7    |   |   | $ | 1.7 |   |   | $ | - |   |   | $ | 6.4 |   |

|                            |   |                         |   |   |                  |   |   |   |   |   |       |   |
|---------------------------------|--------|------------------------------|--------|--------|-----------------------|--------|--------|--------|--------|--------|------------|--------|
|                            |   | Three Months Ended March 31, |   |
| Category                        |   | 2011                         |   |   | % of Total            |   |   | 2010   |   |   | % of Total |   |
|                            |   |                         |   |   |  ($ in millions) |   |   |   |   |
| Large commercial aircraft       |   | $                            | 14.4   |   |                  |   | 36.5   | %      |   | $      | 18.5       |   |   |   | 44.9 | % |
| Corporate and regional aircraft |   |                         | 12.3   |   |                  |   | 31.1   | %      |   |   | 11.5       |   |   |   | 27.9 | % |
| Military                        |   |                         | 9.0    |   |                  |   | 22.8   | %      |   |   | 9.3        |   |   |   | 22.6 | % |
| Other                           |   |                         | 3.8    |   |                  |   | 9.6    | %      |   |   | 1.9        |   |   |   | 4.6 | % |
| Total                           |   | $                            | 39.5   |   |                  |   | 100.0  | %      |   | $      | 41.2       |   |   |   | 100.0 | % |

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|                            |   |                         |   |   |                  |   |   |   |   |   |       |   |
|---------------------------------|--------|------------------------------|--------|--------|-----------------------|--------|--------|--------|--------|--------|------------|--------|
|                            |   | Three Months Ended March 31, |   |
| Category                        |   | 2011                         |   |   | % of Total            |   |   | 2010   |   |   | % of Total |   |
|                            |   |                         |   |   |  ($ in millions) |   |   |   |   |
|                            |   |                         |   |   |                  |   |   |   |   |
| Large commercial aircraft       |   | $                            | 9.8    |   |                  |   | 43.6   | %      |   | $      | 6.5        |   |   |   | 33.9 | % |
| Corporate and regional aircraft |   |                         | 6.2    |   |                  |   | 27.6   | %      |   |   | 5.0        |   |   |   | 26.0 | % |
| Military                        |   |                         | 3.7    |   |                  |   | 16.4   | %      |   |   | 7.4        |   |   |   | 38.5 | % |
| Other                           |   |                         | 2.8    |   |                  |   | 12.4   | %      |   |   | 0.3        |   |   |   | 1.6 | % |
| Total                           |   | $                            | 22.5   |   |                  |   | 100.0  | %      |   | $      | 19.2       |   |   |   | 100.0 | % |

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Item 3.  Quantitative and Qualitative Disclosures About Market Risk.

Item 4.  Controls and Procedures.

----

Table of Contents

Item 1.  Legal Proceedings.

Item 1A.  Risk Factors.

Item 2.  Unregistered Sales of Equity Securities and Use of Proceeds.

| (a) | None. |
|-----|-------|

| (b) | None. |
|-----|-------|

| (c) | The following table sets forth information for the three months ended March 31, 2011 with respect to repurchases of our outstanding common stock: |
|-----|---------------------------------------------------------------------------------------------------------------------------------------------------|

| Period              |   | Total # of Shares Repurchased |   |   | Average Price Paid Per Share |   |   | Total # of Shares Purchased as Part of Publicly Announced Program |   |   | Maximum # of Shares that May Yet Be Purchased Under the Program |   |
|---------------------|--------|-------------------------------|--------|--------|------------------------------|--------|--------|-------------------------------------------------------------------|--------|--------|-----------------------------------------------------------------|--------|
| 01/01/11 - 01/31/11 |   |                          | 5,496  |   |                         | $      | 16.48  |                                                              |   |   | -                                                               |   |   |   | - |   |
| 02/01/11 - 02/28/11 |   |                          | -      |   |                         |   | -      |                                                              |   |   | -                                                               |   |   |   | - |   |
| 03/01/11 - 03/31/11 |   |                          | -      |   |                         |   | -      |                                                              |   |   | -                                                               |   |   |   | - |   |

Item 3.  Defaults Upon Senior Securities.

Item 4.  Reserved.

Item 5.  Other Information.

Item 6.  Exhibits.

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Table of Contents

SIGN

|   | LMI AEROSPACE, INC.                                                                                                             |
|--------|---------------------------------------------------------------------------------------------------------------------------------|
|   |                                                                                                                            |
|   | /s/ Ronald S. Saks                                                                                                              |
|   | Ronald S. Saks,Chief Executive Officer(Principal Executive Officer)                                                             |
|   |                                                                                                                            |
|   |                                                                                                                            |
|   | /s/ Lawrence E. Dickinson                                                                                                       |
|   | Lawrence E. DickinsonVice President, Chief Financial Officer and Secretary(Principal Financial and Principal AccountingOfficer) |

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Table of Contents

EXHIBIT INDEX

| ExhibitNo. |   | Description                                                                                                                                                                                                                                                                                                                        |
|------------|--------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|       |   |                                                                                                                                                                                                                                                                                                                               |
| 3.1        |   | Restated Articles of Incorporation of the Registrant previously filed as Exhibit 3.1 to the Registrant’s Form S-1 (File No. 333-51357) filed on April 29, 1998 (the “Form S-1”) and incorporated herein by reference.                                                                                            |
|       |   |                                                                                                                                                                                                                                                                                                                               |
| 3.2        |   | Amendment to Restated Articles of Incorporation dated as of July 9, 2001 filed as Exhibit 3.3 to the Registrant’s Form 10-K for the fiscal year ended December 31, 2001 and filed April 1, 2002 and incorporated herein by reference.                                                                                        |
|       |   |                                                                                                                                                                                                                                                                                                                               |
| 3.3        |   | Amended and Restated By-Laws of the Registrant previously filed as Exhibit 3.2 to the Form S-1 and incorporated herein by reference.                                                                                                                                                                                               |
|       |   |                                                                                                                                                                                                                                                                                                                               |
| 3.4        |   | Amendment No. 1 to Amended and Restated By-Laws of the Registrant previously filed as Exhibit 3.1 to the Registrant’s Form 8-K filed June 26, 2009 and incorporated herein by reference.                                                                                                                                     |
|       |   |                                                                                                                                                                                                                                                                                                                               |
| 4.1        |   | Form of the Registrant’s Common Stock Certificate previously filed as Exhibit 4.1 to the Form S-1 and incorporated herein by reference.                                                                                                                                                                                      |
|       |   |                                                                                                                                                                                                                                                                                                                               |
| 10.1+      |   | Form of Employment Agreement dated effective as of January 1, 2011 between LMI Aerospace, Inc. and each of Ronald S. Saks, Lawrence E. Dickinson, Michael J. Biffignani and Cynthia G. Maness previously filed as Exhibit 10.1 to the Registrant’s Form 8-K filed on February 22, 2011 and incorporated herein by reference. |
|       |   |                                                                                                                                                                                                                                                                                                                               |
| 10.2+      |   | Employment Agreement dated effective as of January 1, 2011 between LMI Aerospace, Inc. and Robert T. Grah previously filed as Exhibit 10.2 to the Registrant’s Form 8-K filed on February 22, 2011 and incorporated herein by reference.                                                                                     |
|       |   |                                                                                                                                                                                                                                                                                                                               |
| 10.3+      |   | Employment and Educational Leave Agreement dated effective as of January 1, 2011 between D3 Technologies, Inc. and Ryan P. Bogan previously filed as Exhibit 10.3 to the Registrant’s Form 8-K filed on February 22, 2011 and incorporated herein by reference.                                                              |
|       |   |                                                                                                                                                                                                                                                                                                                               |
| 10.4+      |   | First Amendment to Employment Agreement dated effective as of December 31, 2010 between D3 Technologies, Inc. and Richard L. Johnson previously filed as Exhibit 10.4 to the Registrant’s Form 8-K filed on February 22, 2011 and incorporated herein by reference.                                                          |
|       |   |                                                                                                                                                                                                                                                                                                                               |
| 10.5+      |   | Second Amendment to Employment Agreement dated effective as of February 22, 2011 between D3 Technologies, Inc. and Richard L. Johnson previously filed as Exhibit 10.5 to the Registrant’s Form 8-K filed on February 22, 2011 and incorporated herein by reference.                                                         |
|       |   |                                                                                                                                                                                                                                                                                                                               |
| 31.1       |   | Rule 13a-14(a) Certification of Ronald S. Saks, Chief Executive Officer.                                                                                                                                                                                                                                                           |
|       |   |                                                                                                                                                                                                                                                                                                                               |
| 31.2       |   | Rule 13a-14(a) Certification of Lawrence E. Dickinson, Vice President, Chief Financial Officer and Secretary.                                                                                                                                                                                                                      |
|       |   |                                                                                                                                                                                                                                                                                                                               |
| 32         |   | Certification pursuant to 18 U.S.C Section 1350 as adopted pursuant to Section 906 of Sarbanes-Oxley Act of 2002.                                                                                                                                                                                                                  |

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