INCREMENTAL FACILITYSUPPLEMENT AGREEMENT

Exhibit 10.1

EXECUTION VERSION

INCREMENTAL FACILITY SUPPLEMENT AGREEMENT

This INCREMENTAL FACILITY SUPPLEMENT AGREEMENT, dated as of November [25], 2009 (this “Agreement”), is by and among each Lender with New Term Commitments signatory hereto (each, a “New Term Loan Lender” and, collectively, the “New Term Loan Lenders”), HAWKER BEECHCRAFT, INC. (“Holdings”), HAWKER BEECHCRAFT ACQUISITION COMPANY, LLC (the “U.S. Borrower”), HAWKER BEECHCRAFT LIMITED (the “U.K. Borrower” and, together with the U.S. Borrower, the “Borrowers”), for purposes of Sections 9(b) and Section 19 hereof, the LOAN GUARANTORS listed on the signature papers hereto, CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH (formerly known as Credit Suisse, Cayman Islands Branch), as administrative agent and collateral agent for the Lenders under the Credit Agreement (in such capacities, the “Agent”) and CREDIT SUISSE SECURITIES (USA) LLC and GOLDMAN SACHS CREDIT PARTNERS L.P., in their capacities as Joint Lead Arrangers (the “Joint Lead Arrangers”).

RECITALS:

WHEREAS, reference is made to that certain Credit Agreement dated as of March 26, 2007 (as amended by that First Amendment to Credit Agreement dated as of December 19, 2008, by and among Holdings, the Borrowers, Goldman Sachs Credit Partners L.P. as auction manager, the Agent, and the other parties party thereto, and as amended by that Second Amendment to Credit Agreement dated as of November 6, 2009, by and among Holdings, the Borrowers, and the other parties party thereto, and as further amended, restated, supplemented, waived or otherwise modified through the date hereof, including by this Agreement, the “Credit Agreement”) by and among Holdings, the Borrowers, the other Loan Guarantors, the Lenders, the Agent and the other Agents named therein. Capitalized terms used herein without definition shall have the same meanings herein as set forth in the Credit Agreement;

WHEREAS, on the terms and subject to the conditions of the Credit Agreement, pursuant to Section 2.19 of the Credit Agreement, the U.S. Borrower hereby provides written notice to the Agent to request the establishment of a new Class of New Term Commitments in an aggregate principal amount of Two Hundred Million Dollars ($200,000,000); and

WHEREAS, on the terms and subject to the conditions of the Credit Agreement and this Agreement, the New Term Loan Lenders are willing to extend such credit to the U.S. Borrower.

AGREEMENT:

NOW, THEREFORE, in consideration of the premises and the agreements, provisions and covenants herein contained, the parties hereto agree as follows:

This Agreement is in respect of a new Class of New Term Commitments in an aggregate principal amount of Two Hundred Million Dollars ($200,000,000). The New Term Commitments evidenced by this Agreement constitute a new Class of Indebtedness permitted to be incurred pursuant to Section 6.01(b)(ii) of the Credit Agreement.

Each New Term Loan Lender commits to provide its respective New Term Commitment as set forth on Schedule A annexed hereto, on the terms and subject to the conditions set forth below.

Each New Term Loan Lender (a) confirms that it has received a copy of the Credit Agreement and the other Loan Documents, together with copies of the financial statements referred to therein and such other documents and information as it has deemed appropriate to make its own credit analysis and decision to enter into this Agreement; (b) agrees that it will, independently and without reliance upon the Agent or any other Lender and based on such documents and information as it shall deem appropriate at the time, continue to make its own credit decisions in taking or not taking action under the Credit Agreement; (c) appoints and authorizes the Agent to take such action as agent on its behalf and to exercise such powers under the Credit Agreement and the other Loan Documents as are delegated to the Agent by the terms thereof, together with such powers as are reasonably incidental thereto; and (d) agrees that it will perform in accordance with their terms all of the obligations which by the terms of the Credit Agreement are required to be performed by it as a Lender.

Each New Term Loan Lender hereby agrees to make its New Term Commitment on the following terms and conditions:

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The U.S. Borrower hereby unconditionally promises to pay to the Agent for the account of each New Term Loan Lender the then unpaid principal amount of and accrued and unpaid interest on each Series A New Term Loan made to the U.S. Borrower and owing to such New Term Loan Lender on the Series A Maturity Date. Scheduled installments of principal of the Series A New Term Loans set forth above shall be reduced in connection with any voluntary or mandatory prepayments of the Series A New Term Loans in accordance with the Credit Agreement.

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Term Loans, payable from the proceeds of the Series A New Term Loans as and when funded on the Increased Amount Date. Such Up-Front Closing Fees shall be allocated among the New Term Loan Lenders party to this Agreement as Lenders on the Increased Amount Date ratably in accordance with the stated principal amount of each such New Term Loan Lender’s New Term Loans as of the Increased Amount Date. Such Up-Front Closing Fees will be in all respects fully earned, due and payable on the Increased Amount Date and non-refundable and non-creditable thereafter.

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Each Loan Guarantor hereby confirms that each Loan Document to which it is a party or otherwise bound and all Collateral encumbered thereby will continue to guarantee or secure, as the case may be, to the fullest extent possible in accordance with the Loan Documents the payment and performance of all “Obligations” under each of the Loan Documents to which is a party (in each case as such terms are defined in the applicable Loan Document).

Each Loan Guarantor acknowledges and agrees that any of the Loan Documents to which it is a party or otherwise bound shall continue in full force and effect and that all of its obligations thereunder shall be valid and enforceable and shall not be impaired or limited by the execution or effectiveness of this Agreement. Each Loan Guarantor represents and warrants that all representations and warranties contained in the Credit Agreement as supplemented by this Agreement and the Loan Documents to which it is a party or otherwise bound are true and correct in all material respects on and as of the Increased Amount Date to the same extent as though made on and as of that date, except to the extent such representations and warranties specifically relate to an earlier date, in which case they were true and correct in all material respects on and as of such earlier date.

Each Loan Guarantor acknowledges and agrees that (i) notwithstanding the conditions to effectiveness set forth in this Agreement, such Loan Guarantor is not required by the terms of the Credit Agreement or any other Loan Document to consent to any supplement to the Credit Agreement effected pursuant to this Agreement and (ii) nothing in the Credit Agreement, this Agreement or any other Loan Document shall be deemed to require the consent of such Loan Guarantor to any future amendments to the Credit Agreement.

[Signature page follows]

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IN WITNESS WHEREOF, each of the undersigned has caused its duly authorized officer to execute and deliver this Incremental Facility Supplement Agreement as of November 25, 2009.

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SCHEDULE A

TO INCREMENTAL FACILITY SUPPLEMENT AGREEMENT

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