The Robinson R22 is a single-engined helicopter with a two-bladed main rotor and two-bladed tail rotor. It is manufactured by Robinson Helicopter. The cabin is provided with side-by-side seating for pilot and one passenger.
Several variants - such as Beta and Beta II - of the R22 mostly differ in more powerful engines and improved rotor systems. The police patrol version is equipped with searchlight and loudspeaker, the Mariner is designed for off-shore work, fitted with floats and wheels.