The Robinson R22 is a two-bladed, single-engine light utility helicopter

Helicopter

A helicopter is a type of rotorcraft in which lift and thrust are supplied by one or more engine-driven rotors. This allows the helicopter to take off and land vertically, to hover, and to fly forwards, backwards, and laterally...

 manufactured by Robinson Helicopter

Robinson Helicopter

The Robinson Helicopter Company, based at Zamperini Field in Torrance, California, is the largest manufacturer of civil helicopters in North America.-History:...

. The two-seat R22 was designed in 1973 by Frank Robinson

Frank D. Robinson

Franklin D. "Frank" Robinson is an engineer and the founder, president and Chief Executive Officer of Robinson Helicopter Company of Torrance, California...

 and has been in production since 1979.
Due to relatively low acquisition and operating costs, the R22 has been popular as a primary rotorcraft trainer around the world and as a livestock management tool on large ranch

Ranch

A ranch is an area of landscape, including various structures, given primarily to the practice of ranching, the practice of raising grazing livestock such as cattle or sheep for meat or wool. The word most often applies to livestock-raising operations in the western United States and Canada, though...

es in North America

North America

North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...

 and cattle station

Cattle station

Cattle station is an Australian term for a large farm , whose main activity is the rearing of cattle. In Australia, the owner of a cattle station is called a grazier...

s in Australia

Australia

Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

. The R22 has a very low inertia rotor system and the control inputs are operated directly by push rods with no hydraulic assistance.