This U.S. industry comprises establishments primarily engaged in (1) manufacturing aircraft parts or auxiliary equipment (except engines and aircraft fluid power subassemblies) and/or (2) developing and making prototypes of aircraft parts and auxiliary equipment. Auxiliary equipment includes such items as crop dusting apparatus, armament racks, inflight refueling equipment, and external fuel tanks.

Including:

• Aircraft assemblies, subassemblies, and parts (except engines) manufacturing
• Aircraft auxiliary parts (e.g., crop dusting, external fuel tanks, inflight refueling equipment) manufacturing
• Aircraft brakes manufacturing
• Aircraft control surface assemblies manufacturing
• Aircraft fuselage wing tail and similar assemblies manufacturing
• Aircraft propellers and parts manufacturing
• Aircraft wheels manufacturing
• Airframe assemblies (except for guided missiles) manufacturing
• Developing and producing prototypes for aircraft parts (except engines) and auxiliary equipment
• Joints, universal, aircraft, manufacturing
• Targets, trailer type, aircraft, manufacturing
• Tow targets, aircraft, manufacturing
• Universal joints, aircraft, manufacturing