Flight control surfaces, internal and external auxiliary fuel tanks, exhaust systems, pylons and trim tabs.

Oxygen pressure signals and warning devices, air pressure warning signals, aircraft crew warning signals, altitude warning signals, alarm controls, and audible landing gear alarms.

Air speed indicators, rate of climb indicators, bank and turn indicators, pitot tubes, gyro indicators, fuel pressure gages, oil pressure gages, fuel mixture indicators, and engine oil and fuel warning devices.

Propellers, propeller blades, cams, cones, hubs, nuts, spinners, test clubs, synchronizers, power control units, integral oil control measures and propeller governors.

Helicopter components and specially designed parts that transmit power from the aircraft power plant to the rotary wing and rotary rudder, rotors, blades, trim, tabs, blade sets, yokes, clutches and transmissions.