Airframe

Airframe

Airframe construction features, assembly and rigging, fabric covering, structural repairs, and aircraft welding.

Industry: Aviation

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Airframe

centering cam

Aviation; Aircraft maintenance

A cam in the nose-gear shock strut that causes the piston to center when the strut fully extends. When the aircraft takes off and the strut extends, the wheel is straightened in its fore-and-aft ...

nose-gear centering cam

Aviation; Aircraft maintenance

A cam in the nose-gear shock strut that causes the piston to center when the strut fully extends. When the aircraft takes off and the strut extends, the wheel is straightened in its fore-and-aft ...

silicon controlled rectifier (SCR)

Aviation; Aircraft maintenance

A semiconductor electron control device. An SCR blocks current flow in both directions until a pulse of positive voltage is applied to its gate. It then conducts in its forward direction, while ...

A spring-loaded pin or tab that enters a hole or groove when the device to which it is attached is in a certain position. Detents are used on a fuel valve to provide a positive means of identifying ...

conventional current

Aviation; Aircraft maintenance

An imaginary flow of electricity that is said to flow from the positive terminal of a power source, through the external circuit to its negative terminal. The arrowheads in semiconductor symbols ...

FAA Flight Standards District Office (FSDO)

Aviation; Aircraft maintenance

An FAA field office serving an assigned geographical area staffed with Flight Standards personnel who serve the aviation industry and the general public on matters relating to certification and ...

backup ring

Aviation; Aircraft maintenance

A flat leather or Teflon ring installed in the groove in which an O-ring or T-seal is placed. The backup ring is on the side of the seal away from the pressure, and it prevents the pressure extruding ...