EXHIBIT 4.3

                      SECOND AMENDMENT TO CREDIT AGREEMENT

    THIS  SECOND AMENDMENT TO CREDIT  AGREEMENT, dated as of  May 19, 1995 (this
"AMENDMENT"), amends  the  Credit  Agreement,  dated as  of  June  1,  1993  (as
previously  amended  by the  First  Amendment dated  May  16, 1994,  the "CREDIT
AGREEMENT"),  among  AAR   Corp.,  (the  "BORROWER"),   the  various   financial
institutions  parties thereto (collectively, the  "LENDERS") and Bank of America
Illinois (formerly known as Continental Bank  N.A.), as agent (the "AGENT")  for
the Lenders. Terms defined in the Credit Agreement are, unless otherwise defined
herein or the context otherwise requires, used herein as defined therein.

    WHEREAS,  the parties hereto  have entered into  the Credit Agreement, which
provides for the  Lenders to extend  certain credit facilities  to the  Borrower
from time to time; and

    WHEREAS,  the parties hereto desire to amend the Credit Agreement in certain
respects as hereinafter set forth;

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

    SECTION 1  AMENDMENT.   Effective as  of May 19, 1995,  Section 6.10 of  the
Credit Agreement shall be amended to state as follows:

        "6.10.   RESTRICTED PAYMENTS.  The Borrower will not, nor will it permit
    any Subsidiary to, declare or  make any Restricted Payments, which  together
    with  all Restricted Payments made on or  after May 31, 1995 would exceed an
    amount equal to the sum of (i) $20,000,000 plus (ii) 50% of Consolidated Net
    Income for the period commencing June 1, 1994 and extending to and including
    the last day of  the fiscal year of  the Borrower immediately preceding  the
    date  on which such Restricted Payment was  made, said period to be taken as
    one accounting period, except that:

           (a) The  Borrower may  declare and  pay dividends  payable solely  in
       stock of the Borrower of the same class as that on which such dividend is
       paid.

           (b)  The Borrower may purchase, redeem or otherwise acquire or retire
       any class of  its stock out  of the proceeds  of, or in  exchange for,  a
       substantially  concurrent issue and sale of  the same class of such stock
       in addition to that now issued and outstanding.

           (c) Any Subsidiary may declare and pay dividends to the Borrower."

    SECTION 2  CONDITIONS PRECEDENT.  This Amendment shall become effective when
duly executed bythe Borrower, the Agent and the Required Lenders.

    SECTION 3  REPRESENTATIVES  AND WARRANTIES.  To  induce the Lenders and  the
Agent  to enter into  this Amendment, the  Borrower hereby reaffirms,  as of the
date hereof, its representations  and warranties contained in  Article V of  the
Credit Agreement.

    SECTION 4  MISCELLANEOUS.

    SECTION  4.1  CONTINUING EFFECTIVENESS, ETC.  This Amendment shall be deemed
to be an amendment to the Credit Agreement, and the Credit Agreement, as amended
hereby, shall remain in full force  and effect and is hereby ratified,  approved
and  confirmed  in  each and  every  respect.  After the  effectiveness  of this
Amendment in accordance with its terms,  all references to the Credit  Agreement
in any other document, instrument, agreement or writing shall be deemed to refer
to the Credit Agreement as amended hereby.

    SECTION  4.2  PAYMENT OF COSTS AND EXPENSES.   The Borrower agrees to pay on
demand all expenses of the Agent (including the fees and expenses of counsel  to
the  Agent (including the allocated cost of internal counsel) in connection with
the negotiation, preparation, execution and delivery of this Amendment.

    SECTION 4.3  EXECUTION IN COUNTERPARTS.   This Amendment may be executed  by
the  parties hereto in several counterparts, each of which shall be deemed to be
an original and  all of which  shall constitute  together but one  and the  same
agreement.

    SECTION 4.4  GOVERNING LAW.  THIS AMENDMENT SHALL BE DEEMED TO BE A CONTRACT
MADE UNDER AND GOVERNED BY THE INTERNAL LAWS OF THE STATE OF ILLINOIS.

    SECTION  4.5  SUCCESSORS AND ASSIGNS.   This Amendment shall be binding upon
and shall  inure to  the benefit  of  the parties  hereto and  their  respective
successors and assigns.

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

                                          AAR Corp.

                                          By      /s/ Timothy J. Romenesko
                                          --------------------------------------

                                          Title: Vice President
                                          --------------------------------------

                                          BANK OF AMERICA ILLINOIS,
                                           individually and as Agent

                                          By        /s/ Arthur N. Traver
                                          --------------------------------------

                                          Title: Vice President
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