Usually gasoline or diesel fuel.
airplanes are the same thing as hovercrafts... but only hovercrafts have a louder engine
They both (some airplanes do) use propeller's.
yes,you will use the hovercraft to fly through the dirty pond were you get the rope,to get in the space ship
hovercrafts
yes
on a cushion of air
Why are you asking where to find hovercrafts? But I would have to say, that scientists are trying to build some, or aliens are, but you should have known that already.
yes.
6 inches
4 ft
Hovercrafts are used for any transport situation where transition between a body of water and level ground is required or where the use of wheels or track are problematic. Air cushion technology can also be used to reduce friction to a absolute minimum in areas such as manufacturing.
Very good conditions!