Lesson 105 Definitions

Question 1

Indicated Airspeed

Answer 1

The uncorrected reading on the airspeed indicator

Question 2

True Airspeed (TAS)

Answer 2

Airspeed of an aircraft relative to undisturbed air

Question 3

Ground Speed (GS)

Answer 3

Speed of the aircraft over surface of the earth

Question 4

Mach number

Answer 4

Ratio of speed of an object to the local speed of sound

Question 5

Transition speed

Answer 5

Speed at which pilot makes the transition between IAS and Mach number when climbing or from Mach number to IAS when descending

Question 6

Same track

Answer 6

In the application of separation, expression used by ATC to indicate identical tracks or tracks that converge or diverge at an angle of 1 to 44 degree inclusive