WOOD DALE, Ill., /PRNewswire-FirstCall/ -- AAR (NYSE: AIR) today announced that it has been selected by Northwest Airlines to perform heavy maintenance services and interior modifications on select Boeing 757 aircraft. The work will be performed at AAR Aircraft Services - Indianapolis, the Company's state-of-the-art maintenance, repair and overhaul (MRO) operation located at the Indianapolis International Airport.

AAR will perform nose-to-tail heavy maintenance checks for five 757s that were previously stored and are being reintroduced into Northwest Airline's fleet. In addition, AAR will perform interior modifications on ten 757s to reconfigure the aircraft with an updated business class cabin and a more spacious coach cabin in support of Northwest Airline's expanded international route structure. The work is scheduled to begin in November, 2006 and be completed by August, 2007.

"We appreciate the confidence Northwest Airlines has shown by selecting AAR to perform maintenance and modifications on their 757 aircraft," said Mark McDonald, Group Vice President at AAR. "Our MRO capabilities are designed to meet the needs of customers as they optimize and modernize their fleets to align with changing market conditions."

AAR offers a wide range of maintenance, repair and overhaul services including airframe maintenance and modifications through its aircraft maintenance facilities located in Indianapolis and Oklahoma City. Both facilities earned top honors in the Federal Aviation Administration's Aviation Maintenance Technician Awards Program, which recognizes companies for excellence in technical and regulatory training.

AAR is a leading provider of products and value-added services to the worldwide aviation/aerospace industry. With facilities and sales locations around the world, AAR uses its close-to-the-customer business model to serve airline and defense customers through four operating segments: Aviation Supply Chain; Maintenance, Repair and Overhaul; Structures and Systems and Aircraft Sales and Leasing. More information can be found at http://www.aarcorp.com .

Northwest Airlines is the world's fifth largest airline with hubs at Detroit, Minneapolis/St. Paul, Memphis, Tokyo and Amsterdam, and approximately 1,400 daily departures. Northwest is a member of SkyTeam, an airline alliance that offers customers one of the world's most extensive global networks. Northwest and its travel partners serve more than 900 cities in excess of 160 countries on six continents.

This press release contains certain statements relating to future results, which are forward-looking statements as that term is defined in the Private Securities Litigation Reform Act of 1995. These forward-looking statements are based on beliefs of Company management, as well as assumptions and estimates based on information currently available to the Company, and are subject to certain risks and uncertainties that could cause actual results to differ materially from historical results or those anticipated, including those factors discussed under Item 1A, entitled "Risk Factors", included in the Company's May 31, 2006 Form 10-K. Should one or more of these risks or uncertainties materialize adversely, or should underlying assumptions or estimates prove incorrect, actual results may vary materially from those described. These events and uncertainties are difficult or impossible to predict accurately and many are beyond the Company's control. The Company assumes no obligation to publicly release the result of any revisions that may be made to any forward-looking statements to reflect events or circumstances after the date of such statements or to reflect the occurrence of anticipated or unanticipated events. For additional information, see the comments included in AAR's filings with the Securities and Exchange Commission.

SOURCE: AAR CORP.


CONTACT:
Chris Mason
Director of Corporate Communications of AAR
+1-630-227-2062
chris.mason@aarcorp.com