A flying field. This word was also used by Langley to describe an aeroplane.
A lighter than air machine.
The science of lighter than air machines, or devices sustained by flotation.
A heavier than air craft sustained by fixed wing surfaces driven through the air at the same velocity as the body of the machine. Auxiliary surfaces are provided for stabilizing, steering, and for producing changes in the altitude. The landing gear may be suitable for either land or water, although in the latter case it is generally known as a "Seaplane." The Committee equivalent is "Airplane."
A movable auxiliary surface used in maintaining lateral balance.
Wing.
An aeroplane provided with a light boat hull in which the pilot and passenger are enclosed.
Any form of craft designed for the navigation of the air. This includes aeroplanes, balloons, dirigibles, helicopters, ornithopters, etc.
See aeroplane.
A lighter than air craft provided with means of propulsion.