airspeed
Noun
Meaning
the speed of an aircraft relative to the air in which it is flying
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Because the AIM-54 ECCM/Sealed received no coolant, F-14s carrying this version of the missile could not exceed a specified airspeed.
After takeoff, when landing gear is retracted and slats/flaps zero selected, the HUD goes to the cruise phase, which includes most symbology but replaces the airspeed and altitude vertical scales with simpler numeric displays to cut down on clutter.
As a result, the flight control computers calculated an inaccurate airspeed, and a negative angle of attack, causing the aircraft to pitch upward 30 degrees during takeoff.
Because ramjets cannot produce thrust at zero airspeed, they cannot move an aircraft from a standstill.
Furthermore, the pitot tube used to measure airspeed in aircraft can give falsely elevated readings as the pressure builds up inside the tube at high speeds.
German test pilot Heini Dittmar in early July 1944 reached convert, an unofficial flight airspeed record unmatched by turbojet-powered aircraft for almost a decade.