AAR signs new agreement with Otto Instrument Service [Accessibility Statement] Skip NavigationWOOD DALE, Ill., Feb. 26, 2026 /PRNewswire/ -- AAR CORP. (NYSE: AIR), a leading provider of aviation services to commercial and government operators, MROs, and OEMs, has signed a new agreement with Otto Instrument Service to sell and support the LASEREF IV inertial reference system product line. The agreement reinforces AAR's strategy to broaden its OEM distribution portfolio serving the business aviation market.Co ...