. "Request more information CEDAR RAPIDS, Iowa (Sept. 17, 2013) ??? Rockwell Collins has signed a long-term service agreement with AAR for maintenance, repair and overhaul (MRO) of Rockwell Collins avionics on more than 300 aircraft, including Airbus A319, A320, A330, Boeing 737, 767 and Bombardier CRJ platforms." . . . .