A shed for housing an aeroplane.

A shelter for aircrafts.

A machine weighing more than the air it displaces.

A flying machine driven upward by rotary screws on vertical shafts.

One in charge of the steering device.

L

Lateral Stability.

Stability which prevents side motion.

The gross weight divided by the supporting area measured in square feet.

Stability which prevents fore and after motion or pitching.