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Airplanes & equipment

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Airplanes & equipment

True airspeed

Aviation; Airplanes & equipment

The speed of an aircraft along its flight path, in respect to the body of air (air mass) through which the aircraft is moving. Also see CALIBRATED AIRSPEED, GROUND SPEED, INDICATED AIRSPEED.

Twilight zone

Aviation; Airplanes & equipment

Long before Rod Serling's tv series was this consumer-lever definition for a glitch in the ADCOCK RANGE, officially called a Bi-Signal Zone. It was a portion of the overlapping area of a beam where ...

True north

Aviation; Airplanes & equipment

The northern direction of the axis of the Earth; aka "Map North." GEOGRAPHIC NORTH, as opposed to MAGNETIC NORTH.

Turbojet

Aviation; Airplanes & equipment

An aircraft having a jet engine in which the energy of the jet operates a turbine that in turn operates the air compressor.

Undershoot

Aviation; Airplanes & equipment

To land short of a runwway or planned landing spot. Opposite is OVERSHOOT.

Ultralight

Aviation; Airplanes & equipment

An aeronautical vehicle, operated for sport or recreational purposes, that does not require FAA registration, an airworthiness certificate, or pilot certification. Primarily single-occupant vehicles, ...

Uncontrolled airspace

Aviation; Airplanes & equipment

Class G Airspace; airspace not designated as Class A, B, C, D or E.

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