What is the angle of inclination of the Earth's orbit to its orbital plane?
23.5°
78°
90°
66.5°
The meridian passing through Greenwich is known as?
Main Meridian
Equator
Prime Meridian
Great Meridian
Magnetic Variation is the angle between?
True North and the nearest line of longitude
True North and Magnetic North
Magnetic North and the aircraft's magnetic heading
Magnetic North and the aircraft's true heading
An Agonic line joints points of:
Equal magnetic deviation
Zero magnetic deviation
Equal magnetic variation
Zero magnetic variation
With a calculated heading of 246° True, a local magnetic variation of 5°W and a compass deviation of 1°E, the compass heading is:
252°
242°
241°
250°
Approximately how long would an aircraft whose Ground Speed was 100 knots take to fly 100 km?
Approximately 1 hour
Approximately 33 minutes
Approximately 45 minutes
Approximately 100 minutes