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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.