The earliest reference to paper airplanes I know is that Jack Northrop used paper airplanes in the 1930's to help in his ideas for flying wing airplanes.I believe that I can extend your history of paper airplanes back to at least 1908-1909.
A and P [ airfames and powerplants
Yes. They are used in wheels and...stuff....
An aeronautical or mechanical engineer.
None no the Boeing company invented many airplanes and they are about 9 different original commercial models with more that are actually a result of upgrading original airplanes.
Yes, jets are airplanes but they are called supersonic airplanes.
The waste from the toilets is often referred to as the airplanes garbage.
Airplanes run on special fuel that is designed for them. It is called Jet fuel. It is also called white Petrol.
They are called gliders.
It is called a RUNWAY
Airplanes use a fuel called kerosene.
hangars
fleet
Runway
That is the 'runway'
Planes CAN be the short form of airplanes. However, there are OTHER things also called planes that are not airplanes- one of them is a woodworking tool used to smooth wood.
They are called re-fuellers.