True Airspeed

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:

    The true courage of civilized nations is readiness for sacrifice in the service of the state, so that the individual counts as only one amongst many. The important thing here is not personal mettle but aligning oneself with the universal.
    Georg Wilhelm Friedrich Hegel (1770–1831)