Test yourself: 5 hard theory questions, free Airspace, weather, regs and aerodynamics, FAA-style — instant score, every answer explained. No signup.
Free testeasyearth-coordinates
A great circle is:
A
Any circle on the Earth's surface
B
A line of constant latitude
C
A circle whose plane passes through the center of the Earth
D
A spiral path on the Earth
C
A circle whose plane passes through the center of the Earth✓ Correct Answer
Explanation
A great circle is any circle on the Earth's surface whose center coincides with the center of the Earth; it represents the shortest distance between two points.
Keep practising
See where you stand: 5 hard questions, instant score, every answer explained.