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 proposition is a proposition belief which would never lead to such disappointment so long as the proposition is not understood otherwise than it was intended.”
—Charles Sanders Peirce (1839–1914)