PPL Navigation - Speed and Altimetry DONE

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 preceeding traffic

• speed of sound

What does an airspeed indicator measures the difference between?

• dyanmic and total pressure

• pitot and dynamic pressure

• static and dynamic pressure

• pitot and static pressure

What is the difference between IAS and EAS?

• pressure error

• compression error

• position and density error

• position and compression error

Choose the correct statement

• IAS has no errors

• EAS will always overread

• Increasing altitude at a constant IAS will cause TAS to reduce

• The difference between CAS and EAS is pressure 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