Item 7.01. Regulation FD Disclosure.

AAR CORP. (the "Company") will hold an "Investor Day" conference in New York City on Wednesday, October 7, 2009, beginning at 8:00 a.m. (ET). David P. Storch, Chairman and Chief Executive Officer, Timothy J. Romenesko, President and Chief Operating Officer, and Richard J. Poulton, Vice President, Chief Financial Officer and Treasurer will speak at the conference. There also will be separate presentations from each of the Company's Group Vice Presidents for its Aviation Supply Chain, Structures and Systems, and Maintenance, Repair and Overhaul business segments, as well as from the Senior Vice President in charge of the Company's Government Defense and Programs business. Attached as Exhibit 99.1 are the slides that will be used by the Company's officers at the conference.

The audio webcast of the conference will be available live and for replay for 30 days from the presentation date and can be accessed from the "Investor Relations" section of the Company's website at www.aarcorp.com under "Investor Relations/Events and Presentations."

The information in this Form 8-K, including Exhibit 99.1, is being furnished and shall not be deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section, nor shall it be deemed to be incorporated by reference in any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as otherwise stated in such filing.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits.

99.1 Conference slides presented by AAR CORP. at "Investor Day" conference on October 7, 2009.

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