Suitable for smaller groups of people, Helicopters are specifically suited for short haul to medium range flights. There are a wide variety of Helicopters available in a variety of different configurations. Due to their high operation costs, Helicopters are used for short trips and business aviation flights at altitudes less than 1000 ft.
Helicopters can be classified as single engine or twin engine helicopters
Agusta Westland, Bell, Enstrom, Eurocopter, Robinson and Sikorsky are the major Helicopter manufacturers