Aero Accessories & Repair, a provider of aerospace MRO services, has acquired Aero Instruments & Avionics.Aero Instruments & Avionics specializes in avionics and electronics MRO services.Aero Accessories & Repair specializes in MRO services for aerospace components involved in fuel, hydraulic, pneumatic, and power generation.AAR's acquisition of AIA bolsters its position in the commercial aviation aftermarket and expands its capabilities offerings.