Seaplane floats.
Handle.
Pump.
Pressure pump.
Pulley.
A device used in converting the energy of a motor into the energy required for the propulsion of an aircraft. It consists of two or more rotating blades which are inclined in regard to the relative wind, and hence they act as rotary aeroplanes in creating a tractive force.
The direction of rotation is determined when standing in the slip stream.
Pneumatic tire.
A wing flying with the long edge to the wind is said to be in "Pterygoid Aspect."
An aeroplane with the propeller in the rear of the wings.