About how many axes does an aircraft move and how are these axes called?

Question

Question Quiz SPL - Sailplane Pilot License - Aircraft General Knowledge

QuizVDS · Accepted Answer

3; vertical axis, lateral axis, longitudinal axis

QuizVDS · Answer

4; vertical axis, lateral axis, longitudinal axis, axis of speed

QuizVDS · Answer

3; x-axis, y-axis, z-axis

QuizVDS · Answer

4; optical axis, imaginary axis, sagged axis, axis of evil

Id 78 - SPL - About how many axes does an aircraft move and how are these axes called?