Nav - Speed and Altimetry

Airspeed and groundspeed are equal when..

• the aircraft has a tailwind

• the aircraft has a headwind

• there is nil wind

What is groundspeed is measured relative to?

• the ground

• the airmass through which it travels

• the proceeding traffic

• speed of sound

What is the difference between IAS and EAS?

• pressure error

• compression error

• position and density error

• position and compression error

Instrument error is due to..

• wear and tear

• the aircraft sideslipping

• density reducing with altitude

• air molecules compressing in the instrument

The error between EAS and TAS is

• instrument error

• position error

• compression error

• density error

Speed is a measure of _____ and velocity is a measure of ______

• magnitude, magnitude and direction

• magnitude and direction, magnitude

• magnitude, direction

• magnitude and direction, acceleration

the difference between heading and track is

• track error

• track angle

• correction angle

• drift angle

Wind angle is the difference between...

• track and wind direction

• heading and wind direction

• track and heading

• drift and wind direction

The angle between the track required and track made good is ...

• track angle

• drift angle

• track error

• wind angle

Track made good is...

• the planned track

• the track required to reverse track back to departure

• the track from current position to destination

• the actual track of the aircraft