The true airspeed (TAS; also KTAS, for knots true airspeed) of an aircraft is the speed of the aircraft relative to the airmass in which it is flying. The true airspeed is important information for accurate navigation of an aircraft.
Read more about True Airspeed: Performance, Airspeed Sensing Errors, Use in Navigation Calculations
Famous quotes containing the word true:
“A true military officer is in one particular like a true monk. Not with more self-abnegation will the latter keep his vows of monastic obedience than the former his vows of allegiance to martial duty.”
—Herman Melville (1819–1891)