TAS is defined as _______ .

TAS is defined as _______ .

A.the reading directly obtained from the airspeed indicator

B.the indicated airspeed corrected for installation and instrument errors

C.the true speed of the airplane through the air. It is calibrated airspeed corrected for altitude and nonstandard temperature

D.the calibrated airspeed corrected for the compression of air at a particular altitude

正确答案是C