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EXHIBIT 99.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

        In connection with the AAR CORP. (the "Company") Quarterly Report on Form 10-Q for the period ending August 31, 2002 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, David P. Storch, Chief Executive Officer of the Company, certify pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of my knowledge:

        1.    The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities and Exchange Act of 1934, as amended; and

        2.    The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: October 15, 2002 /s/  DAVID P. STORCH David P. Storch
President and Chief
Executive Officer

The foregoing certification is provided solely for purposes of complying with the provisions of Section 906 of the Sarbanes-Oxley Act of 2002.

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EXHIBIT 99.1