It is an amazing vehicle that runs both in air and in water also. Hovercraft is an Air Cushioned Vehicle. Hovercrafts are used throughout the world as specialized transport. They can also be used after a natural disaster for emergency purposes because they are supported by a cushion of air, hovercraft are unique among all other forms of ground transportation in their ability to travel equally well over land, ice, and water. Small hovercrafts are used for sport and adventure purposes.