Exhibit 10.1

                      FOURTH AMENDMENT TO AND EXTENSION OF
                             REIMBURSEMENT AGREEMENT

        This Fourth Amendment to and Extension of Reimbursement Agreement (this
"Amendment") dated as of the 14th day of January 2004, is between HEICO
AEROSPACE CORPORATION, a Florida corporation f/k/a Heico Corporation (the
"Company"), and SUNTRUST BANK, as successor to the interest of SunBank/South
Florida, National Association (the "Bank").

                                   WITNESSETH:

        WHEREAS, the Company and the Bank are parties to the SunBank
Reimbursement Agreement dated as of the February 28, 1994, as amended by
Amendment to SunBank Reimbursement Agreement dated as of March 1, 1995, between
the Company and the Bank, as further amended by the Amendment to and Extension
of Reimbursement Agreement dated as of February 28, 1999, between the Company
and the Bank, and as further amended by the Amendment to Reimbursement Agreement
dated as of July 20, 2000, between the Company and the Bank (as so amended, the
"Agreement");

        WHEREAS, in connection with the Agreement, the Bank issued its Letter of
Credit No. F4896 (such number subsequently changed to No. F070082) on February
28, 1994, to secure the payment of the $1,980,000 Broward County, Florida
Industrial Revenue Bonds (HEICO Corporation Project), Series 1988, which letter
of credit had an expiration date of February 28, 1994 (the "Letter of Credit").
On or about February 28, 1994, the Company requested and the Bank agreed to
extend the expiration date under the Letter of Credit to February 28, 2004; and

        WHEREAS, the Company has requested and the Bank has agreed, subject to
the agreements and conditions set forth in this Amendment, to further extend the
stated expiration date of the Letter of Credit to April 21, 2008.

         NOW, THEREFORE, in consideration of the foregoing, and for other good
and valuable consideration, the receipt and sufficiency of which are hereby
acknowledged, the parties hereto agree as follows:

        1.      Incorporation of Defined Terms. Each capitalized term used in
this Amendment but not otherwise defined herein shall have the meaning ascribed
thereto in the Agreement.

        2.      Amendments to Definitions.

        (a)     The following definitions in the Agreement shall be deleted in
their entirety and replaced with the following:

                (i)     the definition of "Guarantors" shall read as follows:



                "Guarantors" means Heico Corporation and any other party that
        may from time to time execute a Guaranty in connection herewith.

                (ii)    The definition of "Loan Agreement" shall read as
                follows:

                "Loan Agreement" means the Loan Agreement, dated as of March 1,
        1988, between the Issuer and the Company, pursuant to which the Issuer
        agrees to make the Company Loan to the Company and the Company agrees to
        repay such Company Loan in the amounts and at the times necessary for
        the Issuer to make payments of the principal of, premium, if any, and
        interest on the Bonds, as the same is amended, supplemented or restated
        from time to time.

        (b)     The following definitions shall be amended as follows:

(i)     Exhibit "A" as referenced in the definition of "Letter of Credit" shall
        be deemed amended to reflect April 21, 2008, as the stated expiration
        date thereof.

                (ii)    The definition of "Second Mortgage" shall be deleted and
                not replaced. The references to Second Mortgage in Sections
                6(d), 6(dd), 7(k), the last paragraph of Section 6 and the last
                paragraph of Section 8 shall be deleted.

                (iii)   The definition of "SunBank Loan Agreement" shall be
                deleted and not replaced. All references to SunBank Loan
                Agreement in the Agreement shall be deemed to refer to the
                Revolving Credit Agreement.

        (c)     The following new definition shall be added to the Agreement:

                "Revolving Credit Agreement" means the Revolving Credit
                Agreement dated as of May 15, 2003, by and among Heico, the
                several banks and other financial institutions and lenders from
                time to time party thereto, and the Bank, in its capacity as
                administrative agent, as issuing bank and as swingline lender,
                as the same is amended, supplemented or restated from time to
                time.

        3.      Section 2(c)(ix) shall be deleted and replaced with the
following:

                (ix)    on each anniversary date of this Agreement (the
                "Anniversary Date"), a fee equal to the product of multiplying
                (i) the Applicable Margin for Eurodollar Loans (as defined in
                the Revolving Credit Agreement), times (ii) the Stated Amount of
                the Letter of Credit on such Anniversary Date; and

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4.              Section 6(x) of the Agreement shall be deleted in its entirety
and replaced with the following:

(x)     Company, Heico and the Subsidiaries, on a consolidated basis, shall
        maintain a Consolidated Net Worth (as defined in the Revolving Credit
        Agreement) greater than or equal to the sum of (i) 85% of the
        Consolidated Net Worth as of January 31, 2003, plus (ii) 75% of
        cumulative positive Consolidated Net Income (as defined in the Revolving
        Credit Agreement) accrued since the fiscal quarter ended January 3,
        2003, plus (iii) 100% of the Net Proceeds (as defined in the Revolving
        Credit Agreement) from any equity offering received by Heico, calculated
        quarterly on the last day of each fiscal quarter, which Consolidated Net
        Worth shall be maintained and reported as of the last day of each fiscal
        quarter.

        5.      Section 6(y) of the Agreement shall be deleted in its entirety
and replaced with the following:

                        (y)     Company, Heico and the Subsidiaries, on a
                consolidated basis, shall maintain a Leverage Ratio (as defined
                in the Revolving Credit Agreement) of not greater than 2.75 to
                1.00, which Leverage Ratio shall be maintained and reported as
                of the last day of each fiscal quarter.

        6.      Section 6(z), 6(aa) and 6(bb) of the Agreement shall be deleted
in their entirety and each replaced with the following:

                        "Intentionally omitted"

        7.      Section 6(cc) of the Agreement shall be deleted in its entirety
and replaced with the following:

                        (cc)    A Fixed Charge Coverage Ratio (as defined in the
                Revolving Credit Agreement) of greater than or equal to 2.75 to
                1.00, which Fixed Charge Coverage Ratio shall be maintained and
                reported as of the last day of each fiscal quarter; and

        8.      The reference to "Two Hundred Fifty Thousand Dollars ($250,000)"
in Section 8(k) of the Agreement shall be replaced with "Five Million Dollars
($5,000,000)".

        9.      Notwithstanding anything to the contrary herein, in the
Agreement, in the Letter of Credit or in the other Related Documents, the term
of the Agreement is extended until April 21, 2008.

        10.     Ratification. Except as expressly amended and modified hereby,
the terms and conditions of the Agreement and the Related Documents shall remain
in full force and effect and are hereby ratified and confirmed in all respects
and are not waived by the Bank.

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        11.     Representations and Warranties. The Company represents and
warrants to, and agrees with, the Bank that (i) it has no defenses, set-offs or
counterclaims of any kind or nature whatsoever against the Bank with respect to
the obligations under the Agreement, the other Related Documents, or any other
agreement between the parties hereto, or any action previously taken or not
taken by the Bank with respect thereto or with respect to any lien or collateral
in connection therewith to secure such obligations, and (ii) this Amendment has
been duly authorized by all necessary action on the part of the Company, has
been duly executed by the Company, and constitutes the valid and binding
obligation of the Company, enforceable against the Company in accordance with
the terms hereof.

        12.     Agreement Representations and Warranties. The Company hereby
certifies that the representations and warranties contained in the Agreement
continue to be true and correct and that no Default or Event of Default has
occurred that has not been cured or waived.

        13.     Conditions to Effectiveness of Amendment. This Amendment shall
become effective when the Bank shall have received (i) counterparts of this
Amendment, executed by the Company; (ii) counterparts of the Reaffirmation of
Guaranty and Security Agreement attached hereto; (iii) certificates of the
Secretary of each the Company and Guarantor as to Articles of Organization,
By-laws and incumbency, in form and substance acceptable to the Bank in its sole
discretion; (iv) certificates of active status of the Company and Guarantor
issued by the Secretary of State of the State of Florida; (v) resolutions of the
board of directors of each of the Company and Guarantor authorizing this
transaction and documents contemplated hereby; (vi) such additional supporting
documents as the Bank and its counsel may reasonably request; (vii) a completed
Letter of Credit Application, (viii) evidence of local government approval(s)
which may be required in connection herewith; and (ix) payment by the Company of
the fees and costs of the Bank including, without limitation, the fees and costs
incurred by Bank's counsel in connection herewith.

        14.     Counterparts. This Amendment may be executed in any number of
counterparts which, when taken together, shall constitute one original. Any
telecopied signature hereto shall be deemed a manually executed and delivered
original.

        15.     GOVERNING LAW; WAIVER OF JURY TRIAL. THIS AMENDMENT SHALL BE
INTERPRETED, AND THE RIGHTS AND LIABILITIES OF THE PARTIES HERETO DETERMINED, IN
ACCORDANCE WITH THE INTERNAL LAWS (AS OPPOSED TO CONFLICTS OF LAW PROVISIONS) OF
THE STATE OF FLORIDA.

        THE BANK AND THE COMPANY HEREBY MUTUALLY, KNOWINGLY, VOLUNTARILY AND
INTENTIONALLY WAIVE THE RIGHT EITHER MAY HAVE TO A TRIAL BY JURY IN RESPECT TO
ANY LITIGATION BASED HEREON OR ARISING OUT OF, UNDER, OR IN CONNECTION WITH THIS
AMENDMENT AND ANY AGREEMENT CONTEMPLATED OR TO BE EXECUTED IN CONJUNCTION
HEREWITH, UNDER ANY OF THE RELATED DOCUMENTS OR ANY COURSE OF CONDUCT, COURSE OF
DEALING STATEMENTS (WHETHER VERBAL OR WRITTEN) OR ACTIONS OF EITHER PARTY. THE
COMPANY ACKNOWLEDGES THAT THIS WAIVER OF JURY TRIAL IS A MATERIAL INDUCEMENT TO
THE BANK IN ACCEPTING THIS AMENDMENT AND THAT THE BANK WOULD NOT HAVE ACCEPTED
THIS

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AMENDMENT WITHOUT THIS JURY TRIAL WAIVER AND THAT THE COMPANY HAS BEEN
REPRESENTED BY AN ATTORNEY OR HAS HAD AN OPPORTUNITY TO CONSULT WITH AN ATTORNEY
REGARDING THIS JURY TRIAL WAIVER AND UNDERSTANDS THE LEGAL EFFECT OF THIS JURY
TRIAL WAIVER.

        16.     Headings of Subdivisions. The headings of subdivisions in this
Amendment are for convenience of reference only, and shall not govern the
interpretation of any of the provisions of this Amendment.

                (remainder of this page intentionally left blank)

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        IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be
executed as of the date first above written.

                                             HEICO AEROSPACE CORPORATION,
                                             a Florida corporation f/k/a HEICO
                                             CORPORATION, a Florida corporation


                                             By:
                                                --------------------------------
                                                  Thomas S. Irwin, Treasurer


                                             SUNTRUST BANK


                                             By:
                                                --------------------------------
                                                  Edward E. Wooten, Director

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                 REAFFIRMATION OF GUARANTY & SECURITY AGREEMENT

        The terms and conditions of (i) the Unconditional and Continuing
Guaranty dated as of February 28, 1994, executed by the undersigned in favor of
the Bank (as same has been or may be amended, modified and/or affirmed from time
to time, the "Guaranty") and (ii) the Security Agreement dated as of February
28, 1994, executed by the undersigned and the Bank (as same has been or may be
amended, modified and or affirmed from time to time, the "Security Agreement")
are hereby ratified, reaffirmed and confirmed in all respects and shall continue
to apply and secure the Guaranteed Indebtedness (as defined in the Guaranty) and
the Obligations (as defined in the Security Agreement) as extended, renewed and
modified by the Amendment to which this Reaffirmation is attached. The
undersigned acknowledges and agrees that it is and shall remain liable for the
payment of all of such Guaranteed Indebtedness and Obligations to the full
extent provided in the Guaranty and the Security Agreement.


                                  HEICO CORPORATION

                                  By
                                    -------------------------------------------
                                  Name: Thomas S. Irwin
                                  Title: Executive Vice President and Treasurer

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