Clevis A U-shaped part with ends drilled to hold controls.
Compartment An enclosed part of the helicopter.
Component Parts of an assembly, circuit, or system.
Configuration The way or shape something is built or put together.
Contact When two objects touch.
Continuity Uninterrupted series of power, functions, or signals.
Contracted Made smaller.
Corrosion Decay of metal caused by weather, water, temperature, chemical action, etc.
Coupling Connector or connection joining two parts.
Detector A device that seeks and finds heat (fire, signals, etc.).
Detent Notch or groove that holds one part to another.
Diaphragm A thin, flexible disk.
Diffuser Scatters. Deflects air or energy in several directions.
Duckbill Shop term for pliers with broad flat jaws.
Duct Tube that directs flow of air or exhaust.
Eductor An injector-type device for mixing two fluids.
Elongated Made longer.
Empennage The stabilator and vertical stabilizer.
Energized To start power.
Environment The air around us.
Expendable Can be discarded after use.
External Outside or outer.
Extractor A device for removing something.