Definition
A non-powered, foot-launched ultralight aircraft consisting of a fabric wing stretched over a rigid frame, from which the pilot is suspended in a harness and controls flight by shifting body weight to change the aircraft's center of gravity relative to the wing.
Plain English
A simple unpowered aircraft made of a fabric wing on a frame. The pilot hangs underneath in a harness and steers by shifting their body weight from side to side or forward and back.
Context Anchor
Seen in discussions of aircraft axes, stability, and control, where the same basic pitch, roll, and yaw ideas apply even to very simple aircraft.
Derivation
The name is literal: the pilot 'hangs' beneath the wing while it 'glides' through the air without an engine. Useful because it tells you exactly how the aircraft is flown — by hanging, not by sitting in a cockpit with a control yoke.
Why Pilots Care
Hang gliders illustrate weight-shift control in its purest form. Understanding how moving the pilot's body changes the aircraft's flight path helps clarify how center of gravity affects pitch and roll in any aircraft.
Intuition Check
Do not assume a hang glider is just a toy or parachute. It is an aircraft with a wing, controlled flight, and the same basic motions other aircraft have.
Example Sentence 1
A hang glider pilot turns by shifting their weight to one side, which moves the center of gravity and banks the wing.
Example Sentence 2
Understanding the three axes on a hang glider helped the student see that the same principles apply to every type of aircraft.