Document:

EXHIBIT 10.5

                       AMENDMENT NO. 4, CONSENT AND WAIVER

                          Dated as of February 14, 2001

                                       to

                  FOURTH AMENDED AND RESTATED CREDIT AGREEMENT

                            Dated as of May 31, 2000

         This Amendment No. 4, Consent and Waiver (the "Amendment") dated as of
February 14, 2001 is entered into among AVIATION SALES DISTRIBUTION SERVICES
COMPANY, a Delaware corporation ("Distribution"), AEROCELL STRUCTURES, INC., an
Arkansas corporation ("Aerocell"), AVS/M-2, INC. (formerly known as
AVS/Kratz-Wilde Machine Company), a Delaware corporation ("Kratz-Wilde"),
WHITEHALL CORPORATION, a Delaware corporation ("Whitehall"), TRIAD INTERNATIONAL
MAINTENANCE CORPORATION, a Delaware corporation ("TIMCO"), AVS/M-3, INC.
(formerly Apex Manufacturing, Inc.), an Arizona corporation ("Apex"), CARIBE
AVIATION, INC., a Florida corporation ("Caribe"), AIRCRAFT INTERIOR DESIGN,
INC., a Florida corporation ("Design"), AVIATION SALES LEASING COMPANY, a
Delaware corporation ("Leasing"), TIMCO ENGINE CENTER, INC., a Delaware
corporation ("TIMCO Engine"), and AVIATION SALES COMPANY, a Delaware corporation
("Parent"), and the "Lenders" (as defined in the Credit Agreement identified
below) a party hereto. Capitalized terms used herein without definition are used
herein as defined in the Credit Agreement.

                             PRELIMINARY STATEMENT:

         WHEREAS, Distribution, Aerocell, Kratz-Wilde, Whitehall, TIMCO, Apex,
Caribe, Design, Leasing, and TIMCO Engine, as Borrowers, Parent, Citicorp USA,
Inc., as Agent, and certain financial institutions, as Lenders and Issuing
Banks, are parties to that certain Fourth Amended and Restated Credit Agreement
dated as of May 31, 2000, as heretofore amended (the "Credit Agreement");

         WHEREAS, the Borrowers have requested the amendment of certain
financial covenants included in the Credit Agreement, the waiver of certain
Events of Default, and modification of certain other terms of the Credit
Agreement, and the Lenders a party hereto have agreed to the same on the terms
and conditions set forth herein;

         NOW, THEREFORE, the parties hereto hereby agree as follows:

         SECTION 1. Amendments to the Credit Agreement.

         Effective as of February 14, 2001, subject to the satisfaction of the
conditions precedent set forth in Section 3 hereof, the Credit Agreement is
hereby amended as follows:

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         1.1 Section 1.01 is hereby amended to (i) delete the definitions
therein of "Borrowing Base" and "Designated Prepayment" and substitute the
following therefor:

         "Borrowing Base" means, as of any date of determination, an amount
         equal to the sum of:

         (i) up to seventy-five percent (75%) of the face amount of Eligible
         Receivables of Aerocell (net of maximum discounts, allowances,
         retainage and any other amounts deferred with respect thereto), plus

         (ii) up to fifty percent (50%) of the face amount of Eligible
         Receivables of Caribe and Design (net of maximum discounts, allowances,
         retainage and any other amounts deferred with respect thereto), plus

         (iii) up to eighty-five percent (85%) of the face amount of Eligible
         Receivables of TIMCO (net of maximum discounts, allowances, retainage
         and any other amounts deferred with respect thereto), plus

         (iv) up to fifty percent (50%) of the face amount of earned, but
         unbilled for periods less than sixty-one (61) days, Receivables of
         TIMCO (net of maximum discounts, allowances, retainage and any other
         amounts deferred with respect thereto) and arising with respect to
         sales of Inventory other than ABX Kits and services performed, plus

         (v) up to fifty percent (50%) of the face amount of earned, but
         unbilled Receivables of TIMCO (net of maximum discounts, allowances,
         retainage and any other amounts deferred with respect thereto) arising
         with respect to sales of ABX Kits the shipment of which is scheduled to
         occur within ninety (90) days after the date of the ABX Shipping
         Schedule attached to the corresponding Borrowing Base Certificate, plus

         (vi) up to sixty-two percent (62%) of the book value of Eligible
         Inventory of Caribe (other than Eligible Inventory transferred to
         Caribe by Bearings substantially concurrent with the Bearings Sale),
         plus

         (vii) $2,639,000 (based on Inventory of Distribution identified on the
         Borrowing Base Certificate dated February 5, 2001 as "Distribution
         Inventory - 12/31/00 book value $4,256,000); provided, however, that
         such $2,639,000 of availability shall be reduced by $188,500 per week,
         commencing February 16, 2001 and continuing on each Friday thereafter
         until May 18, 2001, as of which date the availability under this clause
         (vii) shall be zero, plus

         (viii) up to forty percent (40%) of the book value (net of maintenance
         reserves) of Eligible Inventory of Distribution consisting of engines
         not included as part of Eligible Aircraft, plus

         (ix) up to forty-four percent (44%) of the book value of Eligible
         Inventory of Distribution consisting of Leased Inventory; plus

         (x) with respect to Eligible Aircraft, (a) $10,000,000 with respect to
         each of such Eligible Aircraft which are cargo configured and (b)
         $2,000,000 with respect to such Eligible Aircraft which is not cargo
         configured; provided, however, that in

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<PAGE>

         no event shall the amount of the Borrowing Base determined under this
         clause (viii) exceed at any time the lesser of the amount of (1) the
         Aircraft Availability Cap at the time of designation and (2) the sum of
         (a) and (b) above, plus

         (xi) up to sixty percent (60%) of the book value of Eligible Inventory
         of Leasing consisting of landing gear, plus

         (xii) up to fifty-five percent (55%) of the book value of Eligible
         Inventory of Caribe which, prior to the Bearings Sale, was Eligible
         Inventory of Bearings which was acquired after November 30, 1997, plus

         (xiii) up to forty percent (40%) of the book value of Eligible
         Inventory of Aerocell, plus;

         (xiv) up to forty percent (40%) of the book value of Eligible Inventory
         of TIMCO consisting of aircraft spare parts held for re-sale and up to
         twenty-five percent (25%) of the book value of Eligible Inventory of
         TIMCO consisting of aircraft spare parts held for maintenance, plus

         (xv) without duplication as to clause (xii) above, up to thirty-five
         percent (35%) of the book value of Eligible Inventory of TIMCO located
         at Lake City and up to thirty percent (30%) of the book value of
         Eligible Inventory of TIMCO located at Macon, Winston-Salem and Oscoda;

         (xvi) up to twenty-five percent (25%) of the book value of Eligible
         Inventory of Design, plus

         (xvii) up to fifty percent (50%) of the appraised fair market value of
         Kratz-Wilde's owned Real Property, plus

         (xviii) $2,435,000 (based on TIMCO 777 aircraft modification contracts
         for which deposits against unissued invoices have been received);
         provided, however, that such $2,435,000 of availability shall be
         reduced by $173,928 per week, commencing February 16, 2001 and
         continuing on each Friday thereafter until May 18, 2001, as of which
         date the availability under this clause (xviii) shall be zero, plus

         (xix) $141,000 (based on accrued revenues for TIMCO relating to ABX
         Kits); provided, however, that such $141,000 of availability shall be
         reduced by $10,071 per week, commencing February 16, 2001 and
         continuing on each Friday thereafter until May 18, 2001, as of which
         date the availability under this clause (xviii) shall be zero, plus

         (xx) $247,000 of Receivables of Design arising with respect to certain
         maintenance contracts which would not otherwise be Eligible Receivables
         due to cross-aging; provided, however, that such $247,000 of
         availability shall be reduced by $17,643 per week, commencing February
         16, 2001 and continuing on each Friday thereafter until May 18, 2001,
         as of which date the availability under this clause (xviii) shall be
         zero, plus

         (xxi) Amounts on deposit with TIMCO with respect to aircraft service
         orders upon execution of a maintenance agreement or upon delivery of
         the subject aircraft to a TIMCO facility for maintenance, repair and
         overhaul services;

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<PAGE>

         provided, however, that in the event any such deposit is for an amount
         greater than $500,000, inclusion in the Borrowing Base shall be
         permitted only upon review of the underlying circumstances by the
         Agent's field examiners, plus

         (xxii) the outstanding balance of the Overadvance Amount as of such
         date of determination; minus

         (xxiii) the Interest Reserve; minus

         (xxiv) the reserve, if any, applicable under Section 4.01(b)(viii)(D).

         For purposes of this definition, (1) Eligible Receivables and Eligible
         Inventory, in each case and as of any date of determination, shall be
         determined after deduction of all Eligibility Reserves then effective
         with respect to such items, (2) the book value referenced shall be
         determined on the bases described in the Borrowing Base Certificate as
         reflected on the books and records of the Borrowers and, in the case of
         engines owned as of December 31, 1999, subject to a valuation reserve
         based upon the writedown taken with respect thereto in the Parent's and
         its Subsidiaries' Financial Statements for December 31, 1999, (3) the
         gross value of Leased Inventory from which the Borrowing Base is
         determined shall in no event exceed, at any time, $15,000,000 in the
         aggregate, and (4) the appraised values referenced in clause (xvii)
         shall be based from time to time on the then most recently prepared
         appraisal delivered to the Agent. In each instance, the amounts
         described hereinabove shall be designated as such on the Borrowing Base
         Certificate dated as of such date of determination. Notwithstanding
         anything herein to the contrary, from and after the date on which
         written notice thereof is delivered to the Borrowers by the Agent and
         Requisite Lenders, the respective advance rates specified above for any
         Inventory shall be determined by the Agent and Requisite Lenders based
         on the results of an appraisal thereof by Aviation Asset Management,
         Inc., which results shall be delivered by no later than March 15, 2001.
         In no event shall the aggregate availability under clauses (iv) and (v)
         above exceed $15,000,000.

         "Designated Prepayment" means each mandatory prepayment required by
         clauses (i), (ii) and (iv) of Section 4.01(b).

and (ii) add the following definitions thereto:

         "BofA Note" means that certain Term Loan Note dated February 14, 2001
         in the principal amount of $10,000,000 executed by the Borrowers and
         payable to Bank of America, N.A.

         "Cash Flow Event" means the cash-generating events identified on
         Schedule 1.01.11 attached hereto and made a part hereof.

         "Restructure Fee Payment Dates" means August 14, 2001, November 14,
         2001, and February 14, 2002, each of which shall be a "Restructure Fee
         Payment Date".

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<PAGE>

         1.2 Section 2.4 is hereby amended to delete the provisions thereof in
their entirety and substitute the following therefor:

         2.4 Reduction of Overadvance Amount. The remaining balance of the
         Overadvance Amount is $1,117,000, which amount shall be reduced (either
         in cash or by adjustment of the Borrowing Base) in thirteen (13) equal
         weekly installments in the amount of $79,785 each during the period
         commencing on February 16, 2001 and continuing on each Friday
         thereafter to and including May 11, 2001 and a final installment in the
         amount of $79,795 on May 18, 2001, which reductions shall be applied
         proportionately to each Lender's Pro Rata Share of the Overadvance
         Amount in accordance with its Pro Rata Share of such installment.

         1.3 Section 4.01(b) is amended to delete the provisions thereof in
their entirety and substitute the following therefor:

         (b) Mandatory Prepayments/Reductions.

         (i) Net Cash Proceeds of Sale. Immediately upon the receipt by any
         Borrower or Guarantor of any Net Cash Proceeds of Sale (other than from
         any Cash Flow Event), the Borrowers shall make or cause to be made a
         mandatory prepayment of the Obligations in an amount equal to one
         hundred percent (100%) of such Net Cash Proceeds of Sale.

         (ii) Net Cash Proceeds of Issuance of Equity Securities or
         Indebtedness. Immediately upon the receipt by any Borrower or Guarantor
         of any Net Cash Proceeds of Issuance of Equity Securities or Net Cash
         Proceeds of Issuance of Indebtedness (other than Indebtedness under the
         BofA Note), the Borrowers shall make or cause to be made a mandatory
         prepayment of the Obligations in an amount equal to one hundred percent
         (100%) of such Net Cash Proceeds of Issuance of Equity Securities or
         Indebtedness.

         (iii) Insufficient Collateral. The Borrowers shall, immediately and
         without notice or demand of any kind, make repayments of the Loans to
         the extent necessary to reduce the outstanding principal amount of the
         Revolving Credit Obligations to an amount not to exceed the Borrowing
         Base.

         (iv) Proceeds of Cash Flow Events. Immediately upon the receipt by any
         Borrower or Guarantor of proceeds of any Cash Flow Event, the Borrowers
         shall make or cause to be made a mandatory prepayment of the
         Obligations in an amount equal to one hundred percent (100%) of such
         proceeds.

         (v) No Waiver or Consent. Nothing in this Section 4.01(b) shall be
         construed to constitute the Lenders' consent to any transaction
         referenced in clauses (i), (ii) and (iv) above which is not expressly
         permitted by Article X.

         (vi) Notice. Distribution shall give the Agent prior written notice or
         telephonic notice promptly confirmed in writing (each of which the
         Agent shall promptly

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<PAGE>

         transmit to each Lender), when a Designated Prepayment will be made
         (which date of prepayment shall be no later than the date on which such
         Designated Prepayment becomes due and payable pursuant to this Section
         4.01(b)).

         (vii) Application of Prepayments.

         (A) Designated Prepayments shall be allocated and applied first to the
         outstanding Loans as more particularly described in clauses (C), (D),
         (E) and (F) below and, following the payment in full of the Loans, the
         remaining balance of each Designated Prepayment shall be applied to the
         Letter of Credit Obligations (or, to the extent such Letter of Credit
         Obligations are contingent, deposited in the Cash Collateral Account to
         provide Cash Collateral in respect of such Letter of Credit
         Obligations).

         (B) Prepayments required by Section 4.01(b)(iii) shall be allocated and
         applied to the Loans ratably based on the then outstanding principal
         balance thereof until paid in full.

         (C) Designated Prepayments made as provided in Section 4.01(b)(i) shall
         be allocated (1) first to reduce outstanding Loans by the amount
         thereof attributable to the Property giving rise to such Net Cash
         Proceeds of Sale or a portion thereof, (2) second to the Overadvance
         Amount (in the inverse order of the amortization schedule set forth in
         Section 2.04) until reduced to zero, and (3) third to reduce the
         remaining outstanding balance of the Revolving Credit Obligations.

         (D) Designated Prepayments made with respect to Net Cash Proceeds of
         Issuance of Equity Securities shall be allocated first to the
         Overadvance Amount (in the inverse order of the amortization schedule
         set forth in Section 2.04) until reduced to zero and then to reduce the
         remaining outstanding balance of the Revolving Credit Obligations.

         (E) Designated Prepayments made with respect to Net Cash Proceeds of
         Issuance of Indebtedness shall be allocated first to the Overadvance
         Amount (in the inverse order of the amortization schedule set forth in
         Section 2.04) until reduced to zero and then to reduce the remaining
         outstanding balance of the Revolving Credit Obligations.

         (F) Designated Prepayments made with respect to Cash Flow Events shall
         be allocated to reduce the outstanding balance of the Revolving Credit
         Obligations.

         (viii) Reduction of Revolving Credit Commitments; Borrowing Base
         Reserve.

         (A) Until such time as the Overadvance Amount is reduced to zero, the
         Revolving Credit Commitments will be permanently reduced by an amount
         equal to the amount of Net Cash Proceeds of Sale (other than from a
         Cash Flow Event), Net Cash Proceeds of Issuance of Equity and Net Cash
         Proceeds of Issuance of Indebtedness (other than Indebtedness under the
         BofA Note), as applicable, received by any Borrower or Guarantor, and
         the Revolving Credit Commitment of each Lender shall thereupon be
         reduced proportionately in accordance with its Pro Rata Share thereof.

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<PAGE>

         (B) Until such time as the Overadvance Amount is reduced to zero, the
         Revolving Credit Commitments will be permanently reduced by an amount
         equal to fifty percent (50%) of the proceeds received by any Borrower
         or Guarantor from any Cash Flow Event and the Revolving Credit
         Commitment of each Lender shall thereupon be reduced proportionately in
         accordance with its Pro Rata Share thereof.

         (C) From and after the time of reduction of the Overadvance Amount to
         zero, the Revolving Credit Commitments will be permanently reduced by
         an amount equal to fifty percent (50%) of the amount of Net Cash
         Proceeds of Sale (other than Cash Flow Events), Net Cash Proceeds of
         Issuance of Indebtedness, and proceeds of Cash Flow Events, as
         applicable, received by any Borrower or Guarantor and, in each
         instance, the Revolving Credit Commitment of each Lender shall
         thereupon be reduced proportionately in accordance with its Pro Rata
         Share thereof.

         (D) Upon receipt of any proceeds by any Borrower or Guarantor from any
         Cash Flow Event (other than the sale of the Kratz-Wilde Kentucky Real
         Property), a reserve against the Borrowing Base shall immediately be
         imposed in the amount equal to fifty percent (50%) of such proceeds.

         1.4 Article X is hereby amended to delete the provisions of Section
10.18 in their entirety and substitute the following therefor:

         10.18. Supplemental Term Loan Installment Payments. The Borrowers shall
         not make any scheduled payment of principal under the terms of the
         Supplemental Term Loan Note at a time when (a) any of the Overadvance
         Amount remains outstanding or (b) an Event of Default would occur as a
         result of such payment after giving effect thereto.

         1.5 Article XI is hereby amended to delete the provisions thereof in
their entirety and substitute the following therefor:

                                   ARTICLE XI
                               FINANCIAL COVENANTS

         The Parent covenants and agrees that so long as any Revolving Credit
Commitments are outstanding and thereafter until payment in full of all of the
Obligations (other than indemnities not yet due):

     11.01 Minimum EBITDA. The Parent shall maintain EBITDA, determined as of
the last day of each Fiscal Quarter set forth below for the period then ending
described below, of at least the amount set forth below opposite such date of
determination:

Determination Date     Applicable Period                       Minimum EBITDA
------------------     -----------------                       --------------
March 31, 2001         January 1, 2001 - March 31, 2001        $4,052,000

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June 30, 2001          January 1, 2001 - June 30, 2001         $12,020,000

September 30, 2001     January 1, 2001 - September 30, 2001    $20,605,000

December 31, 2001      January 1, 2001 - December 31, 2001     $27,856,000

March 31, 2002         April 1, 2001 - March 31, 2002          $27,856,000

June 30, 2002          July 1, 2001 - June 30, 2002            $27,856,000

     11.02 Capital Expenditures. The Parent and its Subsidiaries shall not make
Capital Expenditures in the aggregate during any period set forth below in
excess of the amount set forth below opposite such period; (in each instance,
the "Maximum Amount"):

Determination Date     Applicable Period                       Minimum Amount
------------------     -----------------                       --------------
March 31, 2001         Fiscal Quarter then ending              $1,799,000
June 30, 2001          Two Fiscal Quarter period then ending   $2,991,000
September 30, 2001     Three Fiscal Quarter period then ending $4,183,000
December 31, 2001      Four Fiscal Quarter period then ending  $5,375,000

March 31, 2002         Four Fiscal Quarter period then ending  $5,375,000
June 30, 2002          Four Fiscal Quarter period then ending  $5,375,000

provided, however, to the extent the Parent and its Subsidiaries have not made
Capital Expenditures in the amount permitted above for any given period set
forth above, Capital Expenditures in an amount equal to 100% of the Maximum
Amount of such Capital Expenditures permitted but not made in such period may be
made in the immediately next succeeding period in addition to any amounts
permitted above for such succeeding period; provided that to the extent amounts
carried forward from one period to the next succeeding period are not expended
in such period, such surplus may not be carried forward to any other succeeding
period.

     11.03 Fixed Charge Coverage Ratio. The Parent shall maintain a Fixed Charge
Coverage Ratio for the Parent and its Subsidiaries, as determined as of the last
day of each Fiscal Quarter set forth below for the period then ending described
below, of at least the level set forth below opposite such determination date:

Determination Date     Applicable Period                       Minimum Ratio
------------------     -----------------                       -------------
March 31, 2001         Fiscal Quarter then ending              0.29  to 1.00
June 30, 2001          Two Fiscal Quarter period then ending   0.89  to 1.00
September 30, 2001     Three Fiscal Quarter period then ending 0.84  to 1.00

December 31, 2001      Four Fiscal Quarter period then ending  1.02  to 1.00

March 31, 2002         Four Fiscal Quarter period then ending  1.02  to 1.00
June 30, 2002          Four Fiscal Quarter period then ending  1.02 to 1.00

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     11.04 Minimum Tangible Net Worth. The Parent shall maintain a Tangible Net
Worth of at least the amount set forth below for the Fiscal Quarter ending
during the period set forth below opposite such amount.

     Fiscal Quarter Ending              Minimum Tangible Net Worth
     ---------------------              --------------------------
     March 31, 2001                     $8,208,000
     June 30, 2001                      $7,800,000
     September 30, 2001                 $8,544,000
     December 31, 2001                  $8,906,000

     March 31, 2002                     $8,906,000
     June 30, 2002                      $8,906,000

     11.05 Parent and Subsidiaries. For purposes of the covenants set forth in
this Article XI, references to Parent and its Subsidiaries shall be deemed to
mean Parent and its Subsidiaries on a consolidated basis.

         1.6 Section 5.02 is amended to add the following provision as clause
(f) thereof:

         (f) Restructure Fee. In the event any Obligations are outstanding on a
         Restructure Fee Payment Date and this Agreement and the other Loan
         Documents then remain in effect, the Borrowers shall pay to the Agent
         on such Restructure Fee Payment Date, for the account of the Lenders
         (as of such Restructure Fee Payment Date) in accordance with their
         respective Pro Rata Shares, a fee in the amount equal to two percent
         (2.0%) of the Revolving Credit Commitments in effect on such
         Restructure Fee Payment Date. Such fee shall (i) be payable to the
         Agent at its office in New York, New York in immediately available
         funds, (ii) be fully earned and nonrefundable when paid, (iii) be in
         addition to, and not in lieu of, interest, compensation, expense
         reimbursements, indemnification and other Obligations payable under the
         terms of the Loan Documents, (iv) bear interest, if not paid when due,
         at the interest rate described in Section 5.01(c), (v) constitute
         Obligations, and (vi) secured by all of the Collateral. Upon payment in
         full of the fee required under Section 5.02(c)(ii), the amount payable
         under this Section 5.02(f) on August 14, 2001 shall be reduced by the
         amount of such fee.

         SECTION 2. Waiver and Consent. Effective as of February 14, 2001,

         2.1 subject to Agent's receipt of the consent and waiver referenced in
Section 3.1(b) below on or before February 14, 2001, the Lenders signatory
hereto representing the Requisite Lenders hereby consent to the amendment of the
TROL Documents on the terms and conditions referenced on or attached hereto as
Exhibit A and made a part hereof;

         2.2 the Lenders signatory hereto representing the Requisite Lenders
hereby waive all rights and remedies under the terms of the Credit Agreement
arising due to the occurrence of the Events of Default identified on Exhibit B
attached hereto and made a part hereof;

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         2.3 the Lenders signatory hereto representing the Requisite Lenders
hereby consent to the incurrence by the Borrowers of the Indebtedness evidenced
by that certain promissory note, a copy of which is attached hereto as part of
Exhibit C and made a part hereof (the "BofA Note"), the incurrence by the
Guarantors of the Indebtedness evidenced by that certain guaranty of the BofA
Note, a copy of which is attached hereto as part of Exhibit C (the "BofA
Guaranty"), and the amendment of the Collateral Documents Amendment on the terms
set forth in an agreement, in the form attached hereto as Exhibit D and made a
part hereof (the "Second Collateral Documents Amendment"), to include the holder
of the BofA Note as beneficiary of the Liens granted to the Agent for the
benefit of the Holders on the terms set forth therein; provided that (a) such
proceeds are received no later than February 15, 2001 in immediately available
funds, (b) such proceeds are used solely for the purposes of enabling the Parent
to pay its obligation under the Senior Subordinated Notes for interest payable
in accordance with the terms of the Senior Subordinated Notes on February 15,
2001 and for working capital of the Borrowers, (c) no proceeds of the Loans are
used for the purpose of paying any interest due on February 15, 2001 under the
Senior Subordinated Notes, (d) the BofA Note, Second Collateral Documents
Amendment, and an Intercreditor Agreement in the form attached hereto as Exhibit
E and made a part hereof (the "Intercreditor Agreement") are executed and
delivered no later than February 14, 2001 and (e) none of the BofA Note, the
BofA Guaranty, the Second Collateral Documents Amendment, or the Intercreditor
Agreement shall be amended after the date hereof without the prior written
consent of the Requisite Lenders, the holder of the Supplemental Term Loan Note,
and the Agent; and

         SECTION 3. Conditions Precedent. This Amendment shall become effective,
if, and only if:

         3.1 the Agent shall have received on or before February 14, 2001:

         (a) a facsimile or original executed copy of this Amendment executed by
         the Parent, each Borrower, and Super-Majority Lenders;

         (b) a facsimile or original executed copy of a Release Agreement and a
         Reaffirmation Agreement in the respective forms attached hereto as
         Exhibit F and made a part hereof executed by the Borrowers, each
         Guarantor and (with respect to the Release Agreement, the Affiliates
         named therein);

         (c) a written consent of the obligee parties to the TROL Documents to
         the terms of this Amendment, an amendment of the covenants set forth in
         the TROL Documents to be no more restrictive that those set forth
         herein on an amended basis, and a waiver of all existing defaults and
         events of default under the TROL Documents as of the date hereof, in
         each instance, in form and substance satisfactory to the Agent;

         (d) an opinion of counsel to the Borrowers and Parent with respect to
         non-contravention of the TROL Documents and agreements under which the
         Senior Subordinated Notes have been issued, this Amendment and the
         instruments and documents executed by the Borrowers and Guarantors in
         connection herewith;

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<PAGE>

         (e) corporate resolutions of the Parent, Borrowers and Guarantors
         authorizing the execution and delivery of this Amendment and all
         instruments and documents required to be executed and delivered in
         connection herewith;

         (f) from the Borrowers, reimbursement for the expenses of the Agent
         identified on Exhibit G attached hereto and made a part hereof;

         (g) a facsimile or original executed copy of the written consent of the
         holder of the Supplemental Term Loan Note to the terms of this
         Amendment and a waiver of the Events of Default identified on Exhibit B
         under the Supplemental Term Loan Note; and

         (h) a facsimile or original executed copy of a Note Modification
         Agreement in the form attached hereto as Exhibit H and made a part
         hereof.

         3.2 after giving effect to this Amendment and any amendment of the TROL
Documents, as of February 14, 2001, no "Event of Default" shall have occurred
and be continuing under the terms of the Credit Agreement, TROL Documents,
Indenture under which the Senior Subordinated Notes have been issued, as amended
or supplemented through the date of this Amendment and no "Change of Control"
(as defined in such Indenture) shall have occurred.

         SECTION 4. Notice. Effective immediately, the notice address for the
Borrower and Guarantors is as set forth below:

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<PAGE>

                  3601 Flamingo Road
                  Miramar, Florida  33027
                  Attn:  Chief Financial Officer
                  Telecopier No.: (954) 538-6610

                  with a copy to:

                  Akerman, Senterfitt & Eidson, P.A.
                  One Southeast Third Avenue
                  28th Floor
                  Miami, Florida  33131-1704
                  Attn:  Philip B. Schwartz
                  Telecopier No.:  (305) 374-5095
                  E-mail:  pschwartz@akerman.com

and the notice address for the Agent and Citicorp USA, Inc., as a Lender, is as
set forth below:

                  Citicorp USA, Inc.
                  388 Greenwich Street
                  19th Floor
                  New York, New York  10013
                  Attn:  Keith R. Gerding
                  Telecopier No.:  (212) 816-2613
                  E-mail:  keith.r.gerding@citicorp.com

                  with a copy to:

                  Sidley & Austin
                  Bank One Plaza
                  10 South Dearborn Street
                  Chicago, Illinois  60603
                  Attn:  DeVerille A. Huston

                  Telecopier No.:  (312) 853-7036
                  E-mail:  dhuston@sidley.com

         SECTION 5. Representations and Warranties; Acknowledgment. The
Borrowers hereby represent and warrant as follows:

         5.1 This Amendment and the Credit Agreement as previously executed and
delivered and as amended hereby constitute legal, valid and binding obligations
of the Borrowers and are enforceable against the Borrowers in accordance with
their terms.

         5.2 After giving effect to this Amendment, no Event of Default or
Potential Event of Default exists or would result from any of the transactions
contemplated by this Amendment. No event of default or default has occurred and
is continuing under the terms of (a) any of the

                                       12
<PAGE>

TROL Documents after giving effect to the amendment to and consent and waiver
under the TROL Documents in the form attached hereto as Exhibit A or (b) under
any of the agreements and documents executed with respect to the Senior
Subordinated Notes or under which the Senior Subordinated Notes have been
issued.

         5.3 Upon the effectiveness of this Amendment, Parent and each of the
Borrowers hereby reaffirm all covenants, representations and warranties made by
it, respectively, in the Credit Agreement to the extent the same are not amended
hereby and agree that all such covenants, representations and warranties shall
be deemed to have been remade as of the date this Amendment becomes effective
(unless a representation and warranty is stated to be given on and as of a
specific date, in which case such representation and warranty shall be true,
correct and complete as of such date).

         SECTION 6. Reference to and Effect on the Credit Agreement.

         6.1 Upon the effectiveness of this Amendment, each reference in the
Credit Agreement to "this Agreement", "hereunder", "hereof", "herein" or words
of like import shall mean and be a reference to the Credit Agreement, as amended
hereby, each reference to the Credit Agreement in any other document, instrument
or agreement executed and/or delivered in connection with the Credit Agreement
shall mean and be a reference to the Credit Agreement as amended hereby.

         6.2 Except as specifically amended or agreed above, the Credit
Agreement, the Notes and all other Loan Documents shall remain in full force and
effect and are hereby ratified and confirmed.

         6.3 The execution, delivery and effectiveness of this Amendment shall
not operate as a waiver of any right, power or remedy of any Lender or Issuing
Bank or the Agent under the Credit Agreement, the Notes or any of the other Loan
Documents, nor constitute a waiver of any provision contained therein, except as
specifically set forth herein.

         SECTION 7. Execution in Counterparts. This Amendment may be executed in
any number of counterparts and by different parties hereto in separate
counterparts, each of which when so executed and delivered shall be deemed to be
an original and all of which taken together shall constitute but one and the
same instrument. Delivery of an executed counterpart of this Amendment by
telecopier shall be effective as delivery of a manually executed counterpart of
this Amendment.

         SECTION 8. Governing Law. This Amendment shall be governed by and
construed in accordance with the laws of the State of New York.

         SECTION 9. Headings. Section headings in this Amendment are included
herein for convenience of reference only and shall not constitute a part of this
Amendment for any other purpose.

                  [Remainder of Page Intentionally Left Blank]

                                       13
<PAGE>

                  IN WITNESS WHEREOF, the parties hereto have caused this
Amendment to be executed by their respective officers thereunto duly authorized
as of the date first above written.

CITICORP USA, INC.                          HELLER FINANCIAL, INC.

/s/                                         By: /s/
-------------------------------                ----------------------------
  Name:                                       Name:
  Title:                                      Title:

NATIONAL CITY COMMERCIAL
FINANCE, INC.

By: /s/
   ----------------------------
  Name:
  Title:

FIRST UNION COMMERCIAL                      SALOMON BROTHERS HOLDING
CORPORATION                                 COMPANY, INC.

By: /s/                                     By: /s/
   ----------------------------                ----------------------------
  Name:                                       Name:
  Title:                                      Title:

IBJ WHITEHALL BUSINESS CREDIT               ARK CLO 2000-I, LIMITED
CORPORATION                                 By: Patriarch Partners, LLC, as
                                                Attorney-in-Fact
                                            By: LD Investments LLC, as Manager

By: /s/                                     By: /s/
   ----------------------------                ----------------------------
  Name:                                       Name:
  Title:                                      Title:

                                                                Signature Page 1
<PAGE>

THE INTERNATIONAL BANK OF                   NATIONAL BANK OF CANADA
MIAMI, N.A.                                 A Canadian Chartered Bank

By: /s/                                     By: /s/
   ----------------------------                ----------------------------
  Caridad C. Errazquin                        Pat Cloninger
  Vice President                              Vice President
  Trade Finance Division

                                            By: /s/
                                               ----------------------------
                                              Michael S. Bloomenfeld
                                              Vice President & Manager

FIRSTAR BANK, N.A.                          CITIZENS BUSINESS CREDIT
                                            COMPANY

By: /s/                                     By: /s/
   ----------------------------                ----------------------------
  Name:                                       Name:
  Assistant Vice President                    Vice President

AMSOUTH BANK                                PNC BANK NATIONAL ASSOCIATION

By: /s/                                     By: /s/
   ----------------------------                ----------------------------
  Name:                                       Name:
  Title:                                      Title:

                                                                Signature Page 2
<PAGE>

AVIATION SALES DISTRIBUTION                 AEROCELL STRUCTURES, INC.
 SERVICES COMPANY

By: /s/ BENITO QUEVEDO                      By: /s/ BENITO QUEVEDO
   ----------------------------                ----------------------------
  Name: Benito Quevedo                        Name: Benito Quevedo
  Title: President                            Title: Vice President

AVS/M-2, INC.                               WHITEHALL CORPORATION

By: /s/ BENITO QUEVEDO                      By: /s/ BENITO QUEVEDO
   ----------------------------                ----------------------------
  Name: Benito Quevedo                        Name: Benito Quevedo
  Title: Vice President                       Title: Vice President

TRIAD INTERNATIONAL MAINTENANCE             AVS/M-3, INC.
CORPORATION

By: /s/ BENITO QUEVEDO                      By: /s/ BENITO QUEVEDO
   ----------------------------                ----------------------------
  Name: Benito Quevedo                        Name: Benito Quevedo
  Title: Vice President                       Title: Vice President

AIRCRAFT INTERIOR DESIGN, INC.              CARIBE AVIATION, INC.

By: /s/ BENITO QUEVEDO                      By: /s/ BENITO QUEVEDO
   ----------------------------                ----------------------------
  Name: Benito Quevedo                        Name: Benito Quevedo
  Title: Vice President                       Title: President

AVIATION SALES COMPANY                      AVIATION SALES LEASING COMPANY

By: /s/ BENITO QUEVEDO                      By: /s/ BENITO QUEVEDO
   ----------------------------                ----------------------------
  Name: Benito Quevedo                        Name: Benito Quevedo
  Title: President                            Title: Vice President

                                                                Signature Page 3
<PAGE>

TIMCO ENGINE CENTER, INC.

By: /s/ BENITO QUEVEDO
   ----------------------------
  Name: Benito Quevedo
  Title: Vice President

                                                                Signature Page 4EXHIBIT 10.6

                    Amendment and Consent Agreement No. 7 for
                               Lease Agreement and
                       Certain Other Operative Agreements

         THIS AMENDMENT AND CONSENT AGREEMENT NO. 7 (this "Amendment Agreement")
is made and entered into as of the 14th of February, 2001, by and among AVIATION
SALES COMPANY, a Delaware corporation ("Aviation Sales"), as Construction Agent
(the "Construction Agent"); AVIATION SALES COMPANY, as Lessee (the "Lessee");
FIRST SECURITY BANK, NATIONAL ASSOCIATION, a national banking association, not
individually, except as expressly stated in the Operative Agreements, but solely
as Owner Trustee under the Aviation Sales Trust 1998-1 (the "Owner Trustee");
BANK OF AMERICA, N.A., successor to NationsBank, National Association ("Bank of
America"), as a Holder and as a Lender; BANK OF AMERICA, N.A., successor to
NationsBank, National Association, as Administrative Agent (the "Agent"); each
of the holders party to the Trust Agreement (defined below) (the "Holders");
each of the Lenders party to the Credit Agreement (defined below)(the
"Lenders"); and each of the Guarantors party to the Guaranty Agreement (defined
below).

                              W I T N E S S E T H:
                              -------------------

         WHEREAS, the Construction Agent, the Lessee, the Owner Trustee, the
Agent, the Lenders and the Holders have entered into the Participation Agreement
dated as of December 17, 1998 (as amended, the "Participation Agreement"); and

         WHEREAS, the Owner Trustee, the Lenders and the Agent have entered into
the Credit Agreement dated as of December 17, 1998 (as amended, the "Credit
Agreement"); and

         WHEREAS, the Holders and the Owner Trustee have entered into the
Amended and Restated Trust Agreement dated as of December 17, 1998 (as amended,
the "Trust Agreement"); and

         WHEREAS, the Owner Trustee and the Lessee have entered into the Lease
Agreement dated as of December 17, 1998 (as amended, the "Lease" or "Lease
Agreement"); and

         WHEREAS, Aviation Sales, Subsidiaries of Aviation Sales, and the Agent
have entered into the respective Guaranty Agreements (Series A Obligations)
dated as of December 17, 1998, February 18, 2000, March 31, 2000 or May 31,
2000, as the case may be, (collectively, the "Series A Guaranty Agreement"); and
the Subsidiaries of Aviation Sales and the Owner Trustee have entered into the
respective Guaranty Agreements (Lessee Obligations) dated as of December 17,
1998, February 18, 2000, March 31, 2000 or May 31, 2000, as the case may be,
(collectively, the "Lessee Guaranty Agreement", and collectively with the Series
A Guaranty Agreement and any other Guaranty Agreement (as defined in the
Participation Agreement), the "Guaranty Agreement" or "Guaranty"); and

<PAGE>

         WHEREAS, the Construction Agent and the Lessee have informed the Agent
and the Owner Trustee that in order to prevent an Event of Default under the
Lease Agreement, the Participation Agreement and other Operative Agreements,
certain covenants, including but not limited to financial covenants, must be
amended; and

         WHEREAS, the parties hereto desire further to amend the Lease Agreement
and certain other Operative Agreements in the manner herein set forth effective
as of the date hereof;

         NOW, THEREFORE, the Construction Agent, the Lessee, the Owner Trustee,
the Holders, the Agent and the Lenders do hereby agree as follows:

         1.       Definitions. The terms "Participation Agreement", "Lease" and
"Lease Agreement" as used herein and in the Operative Documents (as defined in
the Participation Agreement) shall mean such agreements as hereby amended and
modified, and as further amended, modified, supplemented or restated from time
to time in accordance with the terms thereof. Unless the context otherwise
requires, all terms used herein without definition shall have the definition
provided therefor in the Participation Agreement.

         2.       Amendments to Participation Agreement. The Participation
Agreement is hereby amended, effective as of the date hereof, as follows:

                  (a)      Appendix A to the Participation Agreement is amended
         by adding each of the following definitions, in the appropriate
         alphabetical order; each of the following definitions of any term
         replaces any previous definition of such term that may have appeared in
         the Participation Agreement or any other Operative Agreement.

                           "'Amendment No. 7' shall mean Amendment and Consent
                  Agreement No. 7 for Lease Agreement and certain other
                  Operative Agreements dated as of February 14, 2001, among the
                  Construction Agent, the Lessee, the Owner Trustee, the Agent,
                  the Holders and Lenders party thereto and the Guarantors party
                  thereto."

                           "'BofA Borrowers' shall mean Aviation Sales
                  Distribution Services Company, a Delaware corporation,
                  Aerocell Structures, Inc., an Arkansas corporation, AVS/M-2,
                  Inc., a Delaware corporation, Whitehall Corporation, a
                  Delaware corporation, Triad International Maintenance
                  Corporation, a Delaware corporation, AVS/M-3, Inc., an Arizona
                  corporation, Aircraft Interior Design, Inc., a Florida
                  corporation, Aviation Sales Leasing Company, a Delaware
                  corporation, Caribe Aviation, Inc., a Delaware corporation and
                  Timco Engine Center, Inc., a Delaware corporation."

                           "'BofA Intercreditor Agreement' shall mean that
                  certain Intercreditor Agreement dated as of February 14, 2001,
                  executed by the Agent, the Owner Trustee, the BofA Borrowers,
                  the BofA Guarantors, Citicorp USA, Inc., in its capacity as
                  Collateral Agent, and Bank of America, N.A., in its capacity
                  as lender under the BofA Note."

                                       2
<PAGE>

                           "'BofA Guaranty' shall mean that certain Guaranty
                  dated as of February 14, 2001, executed by the BofA Guarantors
                  in favor of Bank of America, N.A."

                           "'BofA Guarantors' shall mean Aviation Sales Company,
                  A Delaware corporation, Aviation Sales Property Management
                  Corp., a Delaware corporation, Timco Engineered Systems, Inc.,
                  a Delaware corporation, Aviation Sales Finance Company, a
                  Delaware corporation, Aviation Sales SPS I, Inc., a Delaware
                  Corporation, AVSRE, L.P., a Delaware corporation,
                  Hydroscience, Inc., a Texas corporation, Aero Hushkit
                  Corporation, a Delaware corporation, Aviation Sales
                  Maintenance, Repair & Overhaul Company, a Delaware
                  corporation, and AVS/M-1, Inc., a Delaware corporation."

                           "'BofA Note' shall mean that certain Term Loan Note
                  dated as of February 14, 2001 in the principal amount of
                  $10,000,000 executed by the BofA Borrowers and payable to Bank
                  of America, N.A."

         3.       Amendments to Lease Agreement. Subject to the conditions
hereof, the Lease Agreement is hereby amended, effective as of the date hereof,
as follows:

                           (a)      Section 28.3.1 of the Lease is amended in
                           its entirety, so that as amended it shall read as
                           follows:

                                    "28.3.1 Indebtedness. Aviation Sales shall
                           not, nor shall it permit any of its Subsidiaries to,
                           directly or indirectly create, incur, assume or
                           otherwise become or remain directly or indirectly
                           liable with respect to any Indebtedness, except:

                                    "(a)     the obligations under the Operative
                                             Agreements;

                                    "(b)     Indebtedness permitted by Section
                                             10.01 of the Existing Aviation
                                             Sales Credit Agreement; and

                                    "(c)     Indebtedness of not more than
                                             $10,000,000 evidenced by the BofA
                                             Note."

                           (b)      Section 28.3.3 of the Lease is amended in
                           its entirety, so that as amended it shall read as
                           follows:

                                    "28.3.3 Liens. Without limiting the
                           generality of any other restriction of Liens on any
                           Property, neither Aviation Sales nor any Subsidiary
                           of Aviation Sales shall directly or indirectly
                           create, incur, assume or permit to exist any Lien on
                           or with respect to any of their respective Assets
                           (other than the Properties) except:

                                    "(a)     Liens created pursuant to the
                                             Operative Agreements;

                                    "(b)     Liens permitted under Section 10.03
                                             of the Existing Aviation Sales
                                             Credit Agreement; and

                                       3
<PAGE>

                                    "(c) Liens on assets of the BofA Borrowers
                                    and the BofA Guarantors (other than any TROL
                                    Collateral (as defined in the BofA
                                    Intercreditor Agreement)) which Liens secure
                                    the BofA Note."

                           (c)      Section 28.3.5 of the Lease is amended in
                           its entirety, so that as amended it shall read as
                           follows:

                                    "28.3.5.Accommodation Obligations. Neither
                           Aviation Sales nor any Subsidiary of Aviation Sales
                           shall directly or indirectly create or become or be
                           liable with respect to any Accommodation Obligation,
                           except:

                                    "(a)     Accommodation Obligations arising
                                             under the Operative Agreements; and

                                    "(b)     Accommodation Obligations permitted
                                             under Section 10.05 of the Existing
                                             Aviation Sales Credit Agreement;
                                             and

                                    "(c)     Accommodation Obligations arising
                                             under the BofA Note or the BofA
                                             Guaranty.

                           "Neither Aviation Sales nor any Subsidiary of
                           Aviation Sales shall incur any Accommodation
                           Obligation with respect to Indebtedness of any
                           Subsidiary of Leasing."

                           (d) Section 28.3.14 of the Lease is amended in its
                           entirety, so that as amended it shall read as
                           follows:

                                    "28.3.14Organizational Documents. Neither
                           Aviation Sales nor any Subsidiary of Aviation Sales
                           shall, nor shall Aviation Sales or any Subsidiary of
                           Aviation Sales permit any of its Subsidiaries to,
                           amend, modify or otherwise change any of the terms or
                           provisions in any of (a) its Organizational Documents
                           as in effect on the Effective Date, except amendments
                           (i) to effect a change of name of such Person,
                           written notice of which change of name such Person
                           shall have provided the Agent within sixty (60) days
                           prior to the effective date of any such name change
                           or (ii) otherwise consented to by the Agent in
                           writing, (b) the agreements and instruments
                           evidencing loans and advances comprising intercompany
                           loans without the prior written consent of the Agent,
                           (c) the Operative Agreements, the Citicorp Loan
                           Documents or agreements and instruments executed in
                           connection with the Senior Subordinated Notes or (d)
                           the BofA Note or the BofA Guaranty, or any documents
                           (including but not limited to that certain Second
                           Collateral Documents Amendment, dated as of the date
                           hereof, by and among Citicorp, the Citicorp Borrowers
                           and the BofA Borrowers (the "Second Collateral
                           Documents Amendment")) related thereto, without the
                           prior written consent of the Agent."

                                       4
<PAGE>

                           (e) Section 28.3.4 of the Lease is amended in its
                           entirety, so that as amended it shall read as
                           follows:

                           "28.4 Financial Covenants. Aviation Sales covenants
                  and agrees that, until the obligations of the Lessee, the
                  Construction Agent and the Guarantors have been paid and
                  satisfied in full and the Operative Agreements have been
                  terminated in accordance with the terms thereof:

                                    "28.4.1 Minimum Consolidated EBITDA.
                           Aviation Sales shall maintain Consolidated EBITDA,
                           determined as of the last day of each Fiscal Quarter
                           set forth below for the period then ending described
                           below, of at least the amount set forth below
                           opposite such date of determination:

                                                            Minimum Consolidated
                                                            --------------------
"Determination Date     Applicable Period                          EBITDA
 ------------------     -----------------                   --------------------

March 31, 2001          January 1, 2001-- March 31, 2001         $4,052,000
June 30, 2001           January 1, 2001-- June 30, 2001         $12,020,000
September 30, 2001      January 1, 2001-- September 30, 2001    $20,605,000
December 31, 2001       January 1, 2001-- December 31, 2001     $27,856,000
March 31, 2001          April 1, 2001-- March 31, 2002          $27,856,000
June 30, 2002           July 1, 2001-- June 30, 2002            $27,856,000"

                                    "28.4.2 Capital Expenditures. Aviation Sales
                           and its Subsidiaries shall not make Capital
                           Expenditures in the aggregate during any period set
                           forth below in excess of the amount set forth below
                           opposite such period (in each instance, the "Maximum
                           Amount"):

"Determination Date    Applicable Period                         Maximum Amount
 ------------------    -----------------                         --------------
March 31, 2001         Fiscal Quarter then ending                  $1,799,000
June 30, 2001          Two Fiscal Quarter Period then ending       $2,991,000
September 30, 2001     Three Fiscal Quarter Period then ending     $4,183,000
December 31, 2001      Four-Quarter Period then ending             $5,375,000
March 31, 2002         Four-Quarter Period then ending             $5,375,000
June 30, 2002          Four-Quarter Period then ending             $5,375,000"

                           "provided, however, to the extent Aviation Sales and
                           its Subsidiaries have not made Capital Expenditures
                           in the amount permitted above for any given period
                           set forth above, Capital Expenditures in an amount
                           equal to 100% of the Maximum Amount of such Capital
                           Expenditures permitted

                                       5
<PAGE>

                           but not made in such period may be made in the
                           immediately next succeeding period in addition to any
                           amounts permitted above for such succeeding period;
                           provided that to the extent amounts carried forward
                           from one period to the next succeeding period are not
                           expended in such period, such surplus may not be
                           carried forward to any other succeeding period."

                                    "28.4.3  Consolidated Fixed Charge Ratio.
                           Aviation Sales shall maintain a Consolidated Fixed
                           Charge Ratio for Aviation Sales and its Subsidiaries,
                           as determined as of the last day of each Fiscal
                           Quarter set forth below for the period then ending
                           described below, of at least the level set forth
                           below opposite such determination date:

"Determination Date     Applicable Period                          Minimum Ratio
 ------------------     -----------------                          -------------
 March 31, 2001         Fiscal Quarter then ending                 0.29 to 1.00
 June 30, 2001          Two Fiscal Quarter Period then ending      0.89 to 1.00
 September 30, 2001     Three Fiscal Quarter Period then ending    0.84 to 1.00
 December 31, 2001      Four-Quarter Period then ending            1.02 to 1.00
 March 31, 2002         Four-Quarter Period then ending            1.02 to 1.00
 June 30, 2002          Four-Quarter Period then ending            1.02 to 1.00"

                                    "28.4.4  Intentionally Deleted."

                                    "28.4.5  Minimum Tangible Net Worth.
                           Aviation Sales shall maintain a Tangible Net Worth of
                           Aviation Sales and its Subsidiaries, of at least the
                           amount set forth below for the Fiscal Quarter ending
                           during the period set forth below opposite such
                           amount.

                             "Fiscal Quarter Ending   Minimum Tangible Net Worth
                              ---------------------   --------------------------
                             March 31, 2001                   $8,208,000
                             June 30, 2001                    $7,800,000
                             September 30, 2001               $8,544,000
                             December 31, 2001                $8,906,000
                             March 31, 2002                   $8,906,000
                             June 30, 2002                    $8,906,000"

                                    "28.4.6  Intentionally Deleted."

                                    "28.4.7  Intentionally Deleted."

         4.       Agreement and Confirmation by Guarantors. Each of the
undersigned Guarantors has joined in the execution of this Amendment Agreement
for the purpose of (i) agreeing to the amendments to the Lease Agreement, the
Participation Agreement and other Operative

                                       6
<PAGE>

Agreements contained herein and (ii) confirming its guarantee of payment of all
Borrower's Liabilities (as defined in the Series A Guaranty Agreement) and all
Lessee's Liabilities (as defined in the Lessee Guaranty Agreement).

         5.       Representations, Warranties and Covenants. The Lessee and the
Construction Agent hereby represent, warrant and covenant that:

                  (a)      The representations and warranties made by the Lessee
         and the Construction Agent in Section 7 (other than in Section
         7.3(f)(i)) of the Participation Agreement are true on and as of the
         date hereof; and the representations in warranties set forth in Section
         7.3(f)(i) of the Participation Agreement are true on and as of the date
         set forth in such Section);

                  (b)      (i) The audited consolidated financial statements of
         each of the Construction Agent and the Lessee as at December 31, 1999,
         copies of which have been furnished to the Agent and the Owner Trustee,
         were prepared in accordance with GAAP and fairly present the financial
         condition of each of the Construction Agent and the Lessee and their
         Subsidiaries on a consolidated basis as of such date and their
         consolidated results of operations for the fiscal year then ended and
         (ii) the unaudited consolidated financial statements as at September
         30, 2000, copies of which have been furnished to the Agent and the
         Owner Trustee, were prepared in accordance with GAAP (subject to normal
         year-end adjustments) and fairly present the financial condition of the
         Construction Agent and the Lessee and their Subsidiaries on a
         consolidated basis as of such date and their consolidated results of
         operations for the fiscal quarter then ended. Neither Aviation Sales
         nor any Guarantor or any Subsidiary of Aviation Sales has, as of the
         date hereof, any Accommodation Obligation, contingent liability or
         liability for any taxes, long-term leases or commitments, not disclosed
         in writing to the Agent, the Lenders and the Holders prior to the date
         hereof.

                  (c)      The business and properties of the Lessee and the
         Construction Agent and the Guarantors and the Subsidiaries of Aviation
         Sales are not, and since the Initial Closing Date have not been,
         adversely affected in any substantial way as the result of any fire,
         explosion, earthquake, accident, strike, lockout, combination of
         workmen, flood, embargo, riot, activities of armed forces, war or acts
         of God or the public enemy, or cancellation or loss of any major
         contracts;

                  (d)      No event has occurred and no condition exists which,
         after giving effect to this Amendment Agreement, constitutes a Default
         or an Event of Default on the part of the Lessee or the Construction
         Agent or any Guarantor or any Subsidiary of Aviation Sales under the
         Participation Agreement or any other Operative Agreement, either
         immediately or with the lapse of time or the giving of notice, or both,
         except as waived in accordance with Section 6 hereof. Since September
         30, 2000, there has occurred no event with respect to the Lessee, the
         Construction Agent or any Guarantor or any Subsidiary of Aviation Sales
         which has resulted, or is reasonably likely to result, in a Material
         Adverse Effect.

                  (e)      There is no action, suit, proceeding, claim,
         investigation or arbitration before or by any Governmental Authority or
         private arbitrator pending or, to the

                                       7
<PAGE>

         knowledge of Aviation Sales, threatened against Aviation Sales, any
         Guarantor or any Subsidiary of Aviation Sales or any of their
         respective Assets (i) challenging the validity or the enforceability of
         any of the Operative Agreements, (ii) which will, or is reasonably
         likely to, result in any Material Adverse Effect, or (iii) under the
         Racketeering Influenced and Corrupt Organizations Act or any similar
         federal or state statute or law under any jurisdiction outside of the
         United States where such Person is a defendant in a criminal indictment
         that provides for the forfeiture of assets to any Governmental
         Authority as a criminal penalty. There is no material loss contingency
         within the meaning of GAAP which has not been reflected in the
         Financial Statements of Aviation Sales and its Subsidiaries. Neither
         Aviation Sales nor any Guarantor or any Subsidiary of Aviation Sales is
         subject to or in default with respect to any final judgment, writ,
         injunction, restraining order or order of any nature, decree, rule or
         regulation of any court or Governmental Authority which will, or is
         reasonably likely to, result in a Material Adverse Effect.

                  (f)      The Lessee shall pay to the Agent, no later than
         October 15, 2001, a restructuring fee in an amount equal to the product
         of (i) one-half of one percent (0.5%) multiplied by (ii) the
         outstanding Property Cost as of the date of such payment.

         This Amendment Agreement shall be deemed to be an Operating Agreement
and any violation of a covenant contained herein shall be a violation of an
Operative Agreement.

         6.       Waiver and Consent. As of the date hereof:

                  (a)      Subject to the Agent's receipt of the amendment
         referenced in Section 7(viii) below, the Agent, the Owner Trustee, the
         Lenders and the Holders hereby consent to the amendment of the Existing
         Aviation Sales Credit Agreement on the terms and conditions referenced
         on or attached hereto as Exhibit A and made a part hereof;

                  (b)      The Agent, the Owner Trustee, the Lenders and the
         Holders hereby waive all rights and remedies under the terms of the
         Lease Agreement arising due to the occurrence of the Events of Default
         identified on Exhibit B attached hereto and made a part hereof; and

                  (c)      The Agent, the Owner Trustee, the Lenders and the
         Holders hereby consent to the incurrence by the BofA Borrowers of the
         indebtedness evidenced by the BofA Note, a copy of which is attached
         hereto as Exhibit C and made a part hereof, and the obligations arising
         under the BofA Guaranty, a copy of which is attached hereto as Exhibit
         D and made a part hereof.

         The waivers contained in this Section 6 are granted only for the
specific instances specified in Schedule B hereto and are not intended to create
a course of dealing or otherwise impair the future ability of the Lessor, the
Agent, any Lender or any Holder to declare a Lease Event of Default or any other
Event of Default or otherwise enforce the terms of any Operative Agreement. Such
waivers are not intended to be nor shall they be construed to be a general
waiver or alteration of any of the terms or conditions of any Operative
Agreement.

                                       8
<PAGE>

         7.       Conditions Precedent. The effectiveness of this Amendment
Agreement, and any amendment, waiver or consent contained herein, shall be
subject to fulfillment of the following conditions precedent:

                  (a)      The Agent shall have received on the date hereof, in
         form and substance satisfactory to the Agent, the following:

                           (i)      a fully-executed original of this Amendment
                  Agreement;

                           (ii)     an opinion of outside counsel to the Lessee
                  and the Guarantors, addressed to the Agent, the Owner Trustee
                  and the Lenders and Holders, including without limitation (A)
                  an opinion of such counsel with respect to noncontravention of
                  the Citicorp Loan Documents and agreements under which the
                  Senior Subordinated Notes have been issued, by this Amendment
                  Agreement, and the instruments and documents executed by the
                  Lessee, Construction Agent and Guarantors in connection
                  herewith, and (b) an opinion to the effect that the execution,
                  delivery and performance of this Amendment Agreement, the BofA
                  Note or the BofA Guaranty, will not affect the priority of any
                  Lien in favor of the Owner Trustee or the Agent (on behalf of
                  itself, any Lender or any Holder) that exists under the
                  Operative Agreements (which opinion may be included in the
                  opinion referred to in clause (ii) above);

                           (iii)    a certificate of the Secretary or an
                  Assistant Secretary of each of the Lessee and each Guarantor
                  in such form as is reasonably acceptable to the Agent
                  attaching and certifying as to (A) the resolutions of the
                  Board of Directors of Lessee or such Guarantor (as the case
                  may be) duly authorizing the execution, delivery and
                  performance by Lessee or such Guarantor (as the case may be)
                  of this Amendment Agreement and each of the other Operative
                  Agreements delivered in connection with this Amendment
                  Agreement to which such Lessee or Guarantor is or will be a
                  party, (B) the fact that neither its certificate of
                  incorporation nor its bylaws have been changed from the
                  versions that were certified and delivered to the Agent on the
                  Initial Closing Date (or if they have been changed, such
                  certificate of incorporation or by-laws certified as of a
                  recent date by the Secretary of State of the State of its
                  incorporation), and (C) the incumbency and signature of
                  persons authorized to execute and deliver on its behalf this
                  Amendment Agreement and each of the other Operative Agreements
                  delivered in connection with this Amendment Agreement to which
                  such Lessee or Guarantor is a party; and

                           (iv)     an executed BofA Intercreditor Agreement;

                           (v)      an executed amendment and restatement of the
                  Existing Aviation Sales Credit Agreement, including the
                  consent of Citicorp to this Amendment Agreement and Amendment
                  No. 5 (as in effect prior to the effective date of this
                  Amendment Agreement) in form and substance satisfactory to the
                  Agent, Lenders and Holders;

                                       9
<PAGE>

                           (vi)     down-dating endorsements of the title
                  policies issued to the Owner Trustee and the Agent, with
                  respect to the Miramar Property, such endorsements reflecting
                  the transaction documents, as amended hereby, and showing no
                  additional exceptions to coverage, except as approved by the
                  Agent (in its sole discretion);

                           (vii)    an executed copy of the BofA Note, the BofA
                  Guaranty, and the Second Collateral Documents Amendment;

                           (viii)   any additional agreements, instruments or
                  documents which it may reasonably request in connection
                  herewith;

                  (b)      The correctness in all material respects on the date
         hereof of the representations and warranties of the Owner Trustee,
         Construction Agent and the Lessee contained herein and in each of the
         Operative Agreements;

                  (c)      After giving effect to the waivers in Section 6 of
         this Amendment Agreement, no Default or Event of Default shall have
         occurred and be continuing on the date hereof;

                  (d)      No material adverse change shall have occurred (as
         certified to the Agent, the Lenders and the Holders by the respective
         chief financial officers) in the business, assets, management,
         operations, financial condition or prospects of Aviation Sales or any
         Guarantor or any Subsidiary of Aviation Sales since September 30, 2000;

                  (e)      Since September 30, 2000, no permit, agreement,
         lease, or license which, in the judgment of the Agent, is material to
         the business, operations or employee relations of Aviation Sales or any
         Guarantor or any Subsidiary of Aviation Sales, including without
         limitation, any agreement relating to the Existing Aviation Sales
         Credit Agreement or the Senior Subordinated Notes (as defined in the
         Existing Aviation Sales Credit Agreement), shall have been terminated,
         modified, revoked, breached, or declared to be in default, or if
         breached or declared to be in default during such period, such breach
         or default shall have been cured or waived on terms satisfactory to the
         Agent and Lenders;

                  (f)      Lenders and Holders shall have reviewed all
         litigation pending or threatened against Aviation Sales or any
         Guarantor or any Subsidiary of Aviation Sales and determined to their
         satisfaction that no Material Adverse Effect will, or is reasonably
         likely to, result from the existence thereof; and

                  (g)      None of the members of Aviation Sales' Board of
         Directors as of September 30, 2000, shall have ceased acting as members
         of such Board of Directors.

         8.       Release.

                  (a)      Aviation Sales and its Subsidiaries acknowledge that
         they have no existing defense, counterclaim, offset, cross-complaint,
         claim or demand of any kind or nature whatsoever that can be asserted
         to reduce or eliminate all or any part of their or the

                                       10
<PAGE>

         Owner Trustee's respective liability to pay or perform any obligations
         pursuant to any of the Operative Agreements or any other documents
         which evidence or secure any obligations owed under any Operative
         Agreement. In consideration for the execution of this Amendment
         Agreement, each of Aviation Sales and each of its Subsidiaries hereby
         releases and forever discharges, Bank of America, the Agent, the
         Lenders, the Holders and the Owner Trustee and all of their respective
         officers, directors, employees, Affiliates and agents (collectively,
         the "Released Parties") from any and all actions, causes of action,
         debts, dues, claims, demands, liabilities and obligations of every kind
         and nature, both in law and in equity, known or unknown, whether
         heretofore or now existing, liquidated or unliquidated, matured or
         unmatured, fixed or contingent (collectively, the "Release Claims"),
         which might be asserted against any of the Released Parties. This
         Release applies to all matters arising out of or relating to the
         Operative Agreements, any Property, any obligations due under any of
         the Operative Agreements and this Amendment Agreement, commitment
         letters with respect to other loan facilities, and the lending and
         borrowing relationships, and (to the extent any Release Claims relating
         to such deposit relationships are now known to Aviation Sales or any of
         its Subsidiaries) the deposit relationships, between Aviation Sales or
         its Subsidiaries, and Bank of America, the Agent, the Lenders, the
         Holders and the Owner Trustee, including the administration,
         collateralization and funding thereof. Each of Aviation Sales and each
         of its Subsidiaries further agrees not to bring any action in any
         judicial, administrative or other proceeding against the Released
         Parties, or any of them, alleging any such Release Claim or otherwise
         arising in connection with any such Release Claim.

                  (b)      It is the intent of the parties that except as
         otherwise set forth herein, the foregoing release shall be effective as
         a full and final accord and satisfaction of all claims hereby released
         and each of Aviation Sales and each of its Subsidiaries hereby agrees,
         represents and warrants that the matters released herein are not
         limited to matters which are known or disclosed. In this connection,
         each of Aviation Sales and each of its Subsidiaries hereby agrees,
         represents and warrants that it realizes and acknowledges that factual
         matters now existing and unknown to it may have given or may hereafter
         give rise to Release Claims, which are presently unknown, unsuspected,
         unliquidated, unmatured and/or contingent, and it further agrees,
         represents and warrants that this release has been negotiated and
         agreed upon in view of that realization. Nevertheless, Aviation Sales
         and its Subsidiaries hereby intend to release, discharge and acquit the
         Released Parties of and from any such unknown, unsuspected,
         unliquidated, unmatured and/or contingent Release Claims, which are in
         any way set forth in or related to the matters identified above in this
         Section 8. Aviation Sales and its Subsidiaries hereby explicitly waive
         the benefits of any common law or statutory rule with respect to the
         release of such Release Claims.

                  (c)      The acceptance and delivery of this Amendment
         Agreement by the Agent on behalf of the Released Parties shall not be
         deemed or construed as an admission of liability with respect to the
         Release Claims or otherwise by the Released Parties, or any of them,
         and the Released Parties hereby expressly deny liability of any nature
         whatsoever arising from or related to the subject of the release
         contained in this Section 8.

                  (d)      Each of Aviation Sales and each of its Subsidiaries
         hereby agrees, represents and warrants that: (i) such party has not
         voluntarily, by operation of law or

                                       11
<PAGE>

         otherwise, assigned, conveyed, transferred or encumbered, either
         directly or indirectly, in whole or in part, any right to or interest
         in any of the Release Claims purported to be released by this Section
         8; (ii) such party has had advice of counsel of its own choosing in
         negotiations for and the preparation of this Amendment Agreement; and
         (iii) such party is fully aware of the effect of releases such as that
         contained in this Section 8.

         9.       Entire Agreement. This Amendment Agreement sets forth the
entire understanding and agreement of the parties hereto in relation to the
subject matter hereof and supersedes any prior negotiations and agreements among
the parties relative to such subject matter. No promise, conditions,
representation or warranty, express or implied, not herein set forth shall bind
any party hereto, and no one of them has relied on any such promise, condition,
representation or warranty. Each of the parties hereto acknowledges that, except
as in this Amendment Agreement otherwise expressly stated, no representations,
warranties or commitments, express or implied, have been made by any other party
to the other. None of the terms or conditions of this Amendment Agreement may be
changed, modified, waived or canceled orally or otherwise, except by writing,
signed by all the parties hereto, specifying such change, modification, waiver
or cancellation of such terms or conditions, or of any proceeding or succeeding
breach thereof.

         10.      Notice. Effective immediately, the notice address for the
Agent, the Lessee and the Guarantors, for the purposes of the Operative
Agreements, is as set forth below:

                  (a)      If to the Agent or to Bank of America, N.A., as
                           Lender or Holder:

                           Bank of America, N.A.
                           FL-007-17-01
                           100 North Tampa Street, Suite 1700
                           Tampa, Florida 33602-5145
                           Attn: Oscar A. Bruni, Jr.
                           Telecopier No.: (813) 276-7669

                  With all notices of request for Loans, Holder Fundings, or
                  conversion, continuation or prepayment of any Loan or Holder
                  Funding, be sent to:

                           Bank of America, N.A.
                           Independence Center, 15th Floor
                           NC1-001-15-04
                           Charlotte, North Carolina
                           Attention: Kenneth Deffendall
                           Telephone No.: (704) 388-6482
                           Telecopier No.: (704) 386-9923

                  (b)      If to the Lessee or the Guarantors:

                           3601 Flamingo Road
                           Miramar, Florida  33027
                           Attn: Chief Financial Officer
                           Telecopier No.: (954) 538-6610

                                       12
<PAGE>

                           With a copy to:

                           Akerman, Senterfitt & Eidson, P.A.
                           One Southeast Third Avenue
                           28th Floor
                           Miami, Florida 33131-1704
                           Attn:  Philip B. Schwartz
                           Telecopier No.: (305) 374-5095

                  Provided, however, that the failure to deliver such copy to
                  Akerman, Senterfitt & Eidson, P.A. shall not affect the
                  validity of any notice otherwise delivered to Lessee or the
                  respective Guarantor at its address set forth herein.

         11.      Full Force and Effect of Operative Agreements. Except as
hereby specifically amended, modified or supplemented, the Participation
Agreement, the Lease and all of the other Operative Agreements are hereby
confirmed and ratified in all respects and shall remain in full force and effect
according to their respective terms.

         12.      Counterparts. This Amendment Agreement may be executed in one
or more counterparts, each of which shall be deemed an original but all of which
together shall constitute one and the same instrument.

                  [Remainder of page intentionally left blank.]

                                       13
<PAGE>

         IN WITNESS WHEREOF, the parties hereto have caused this Amendment
Agreement to be duly executed by their duly authorized officers, all as of the
day and year first above written.

                                       AVIATION SALES COMPANY,
                                       as Construction Agent

                                       By: /s/ MICHAEL C. BRANT
                                          --------------------------------------
                                       Name: Michael C. Brant
                                            ------------------------------------
                                       Title: CFO
                                             -----------------------------------

                                       AVIATION SALES COMPANY,
                                       as Lessee

                                       By: /s/ MICHAEL C. BRANT
                                          --------------------------------------
                                       Name: Michael C. Brant
                                            ------------------------------------
                                       Title: CFO
                                             -----------------------------------

                                       FIRST SECURITY BANK, NATIONAL
                                         ASSOCIATION
                                       not individually, except as expressly
                                       stated under the Operative Agreements,
                                       but solely as Owner Trustee under the
                                       Aviation Sales Trust 1998-1

                                       By: /s/ BRETT R. KING
                                          --------------------------------------
                                       Name:  Brett R. King
                                            ------------------------------------
                                       Title: Vice President
                                             -----------------------------------

                                       BANK OF AMERICA, N.A., as a Holder and as
                                       a Lender

                                       By: /s/ OSCAR A. BRUNI, JR.
                                          --------------------------------------
                                       Name: Oscar A. Bruni, Jr.
                                            ------------------------------------
                                       Title: Senior Vice President
                                             -----------------------------------

                                       BANK OF AMERICA, N.A., as Administrative
                                       Agent

                                       By: /s/ OSCAR A. BRUNI, JR.
                                          --------------------------------------
                                       Name: Oscar A. Bruni, Jr.
                                            ------------------------------------
                                       Title: Senior Vice President
                                             -----------------------------------

                              SIGNATURE PAGE 1 OF 3
<PAGE>

                              JOINDER BY GUARANTORS

The undersigned Guarantors hereby join in and consent to this Amendment
Agreement.

                                       AVIATION SALES COMPANY
                                       AVS/M-1, INC. (formerly AVIATION SALES
                                          MANUFACTURING COMPANY)
                                       AVIATION SALES PROPERTY
                                          MANAGEMENT  CORP.
                                       AVIATION SALES FINANCE COMPANY
                                       TIMCO ENGINE CENTER, INC.
                                       AVS/M-2, INC (formerly AVS/KRATZ-WILDE
                                       MACHINE COMPANY
                                       AVS/M-3, INC. (formerly APEX
                                          MANUFACTURING,  INC.)
                                       AEROCELL STRUCTURES, INC.
                                       AVIATION SALES DISTRIBUTION
                                          SERVICES COMPANY
                                       AVIATION SALES BEARINGS COMPANY
                                       AVIATION SALES LEASING COMPANY
                                       WHITEHALL CORPORATION
                                       TRIAD INTERNATIONAL MAINTENANCE
                                          CORPORATION (successor in
                                          interest to Aero Corporation and
                                          Aero Corp Macon, Inc.)
                                       AVIATION SALES MAINTENANCE, REPAIR &
                                          OVERHAUL COMPANY
                                       CARIBE AVIATION, INC.
                                       AIRCRAFT INTERIOR DESIGN, INC.
                                       AERO HUSHKIT CORPORATION
                                       HYDROSCIENCE, INC.
                                       TIMCO ENGINEERED SYSTEMS, INC.

                                       By: /s/ MICHAEL C. BRANT
                                          --------------------------------------
                                       Name: Michael C. Brant
                                            ------------------------------------
                                       Title: Vice President of each of the
                                              foregoing Guarantors
                                             -----------------------------------

                                       AVSRE, L.P.
                                       By: Aviation Sales Property Management
                                           Corp., its general partner

                                       By: /s/ MICHAEL C. BRANT
                                          --------------------------------------
                                       Name: Michael C. Brant
                                            ------------------------------------
                                       Title: Vice President
                                             -----------------------------------

                              SIGNATURE PAGE 2 OF 3

<PAGE>

                                       AVIATION SALES SPS I, INC.

                                       By: /s/ MICHAEL C. BRANT
                                          --------------------------------------
                                       Name: Michael C. Brant
                                            ------------------------------------
                                       Title: Vice President
                                             -----------------------------------

                              SIGNATURE PAGE 3 OF 3

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