The speed of an aircraft relative to the air through which it is moving. Compare with groundspeed.
- Slowly and laboriously the aircraft gained airspeed as the needle crept past stalling speed.
- Since we know our aircraft's true airspeed to be 120 knots, we have everything we need to solve the equation.
- During take off, the computer will relay his ground speed, airspeed and height from the runway.
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