Robinson R22

Updated: October 2026 – A small helicopter hovers a few meters above the grass, slowly turns on its own axis, sets down, lifts off again. Next to the student sits the instructor, a hand at the ready on the shared cyclic stick. If you watch a scene like that at an airfield, it is very often a Robinson R22. The two-seater from California has been the training helicopter since the end of the 1970s. Here you’ll learn where it comes from, what makes it special technically, why it has a particular reputation and how to tell it apart with confidence from its bigger brother, the R44.

What is the Robinson R22?

The R22 is a two-seat light helicopter with a piston engine. Pilot and passenger, in training student and instructor, sit side by side under a large Plexiglas bubble. The current version, the R22 Beta II, is powered by a carbureted four-cylinder flat engine of the type Lycoming O-360. Robinson deliberately derates it: instead of the possible power, 131 hp is available for takeoff and 124 hp in continuous operation. That is easier on the engine and ensures that full power is still available at higher altitude and in warm weather.

According to the manufacturer, the R22 weighs about 399 kilograms empty and may take off at a maximum of 622 kilograms. At full load it reaches a cruise speed of up to 96 knots, or about 178 km/h. According to Robinson it covers about 460 kilometers, calculated without reserves. Space for people and baggage is tight: with full tanks only a little useful load is left. Two heavy occupants are therefore quickly an issue for the weight calculation in the R22.

The manufacturer is the Robinson Helicopter Company, with a plant at Zamperini Field in Torrance, California – about 15 kilometers south of Los Angeles Airport. Robinson calls the R22 a pioneer of civil helicopter flying and markets it with the slogan “modest but powerful”. Besides the R22, Robinson builds the four-seat R44 and the turbine helicopter R66.

History: a helicopter people can afford

Frank D. Robinson had worked for several helicopter manufacturers before founding the company, including Cessna, McCulloch, Kaman, Bell and Hughes. At Bell he was regarded as a specialist in tail rotors. His idea was simple and unusual for the time: a small, inexpensive helicopter for private individuals, flight schools and small businesses. The big manufacturers showed little interest, so in 1973 he went into business for himself and at first ran the company from home.

In August 1975 Robinson flew the first prototype himself. Certification by the US aviation authority FAA followed in March 1979, and in the same year the first production R22 went to a customer. The start was not without setbacks: at the end of 1981 the FAA temporarily withdrew the type certificate because layers were coming loose on main rotor blades. Robinson replaced the blades on the 33 aircraft delivered at that point, after which production continued.

In the following years the R22 grew step by step. The first series with the Lycoming O-320 was followed by the R22 HP with more power, the R22 Alpha (certified 1983) and the R22 Beta. Today’s R22 Beta II received the larger O-360 engine, which runs derated and thus offers reserves. Special versions also appeared: the Mariner with floats for takeoffs and landings on water, a Police version and variants for instrument flight training. Boeing even used the R22 as the basis for unmanned test vehicles.

Frank Robinson stepped down as head of the company in 2010 after completing the development of the R66. He died in November 2022 at the age of 92. In August 2025 Robinson celebrated the 50th anniversary of the R22’s first flight.

Technology: light, simple, precise to fly

The R22 is built consistently for low weight and low cost. The cabin is made of aluminum, and behind it a powder-coated steel-tube frame carries the engine and transmission. The piston engine lies flat in the fuselage, and a V-belt drive with a clutch connects it to the transmission. It runs not on kerosene but on aviation gasoline (avgas). That is an advantage at small airfields that have no turbine fuel pump.

The main rotor has two blades and a diameter of about 7.7 meters. It is mounted as a so-called teetering rotor: both blades are rigidly connected to each other and tilt together about a central hinge. The system is mechanically simple but has a quirk that is discussed later. At the tail an open two-blade tail rotor turns.

One detail you can make out through the windshield is the T-shaped cyclic stick. Instead of two separate sticks for left and right, the R22 has a single lever rising from the center console that branches to both seats. That saves weight and space and leaves entry and exit freer. Student and instructor thus grip the same lever, just at different ends.

According to Robinson, the standard equipment of new aircraft includes, among other things, a rotor RPM governor, carburetor heat assist, a rotor brake, a carbon monoxide detector and a cockpit camera. The tanks are crash-resistant bladder tanks.

The R22’s reputation: why there are special rules

No other light helicopter is discussed as often in connection with flight safety. That comes down to two properties. First, the light rotor stores little momentum. If the rotor RPM drops, for example after an engine failure, the pilot has very little time to enter autorotation. Second, the teetering rotor can react dangerously in so-called low-G conditions – when the helicopter becomes almost weightless after an abrupt push-over. In the extreme case the rotor head strikes the mast (mast bumping) or the blades hit the tail boom.

In the 1980s and 1990s there was a series of fatal accidents. The response was clear:

• Robinson Pilot Safety Course: Since 1982 Robinson has offered its own safety course in Torrance. According to the manufacturer, the fatal accident rate fell from 6.0 per 100,000 flight hours in 1982 to 0.7 in 1997.
• SFAR 73: The FAA issued a special regulation for the R22 and R44. Anyone who wants to fly or instruct on the types in the US needs special training on energy management, low rotor RPM, low-G and mast bumping, and an instructor’s endorsement.
• Safety Notices: Robinson issues its own safety notices, for example on carburetor icing and on rotor stall at too low a rotor RPM.

If you want to get into the cockpit yourself, the article Becoming a helicopter pilot covers the paths to the license and the typical training types.

How to identify the R22 in three steps

At airfields you often see the R22 hovering or in the traffic pattern. These three observations get you to the answer quickly.

Add to that the thin, round tail boom with an open tail rotor, the small fins at the top and bottom of the tail and the dainty skids. The final certainty comes from the registration. German civil helicopters carry a registration starting with D-H; the system is explained in the article German aircraft registrations. In Switzerland and Austria the guides to HB registrations and OE registrations help.

R22, R44, Cabri or Bell 47?

Several small helicopters look similar at first glance. The finder helps you narrow it down.

You’ll find more on the alternatives on the pages about the R44, the R66, the Guimbal Cabri G2 and the Bell 47. A broad overview of all common rotorcraft is given by the guide Recognizing helicopter types.

Where to find the R22

The R22 is above all a training and work helicopter. Accordingly you rarely find it at large commercial airports, but all the more often at smaller fields.

Flight schools: In Germany, Austria and Switzerland numerous helicopter schools train on the R22, often alongside the R44 or Cabri G2. At regional airfields with training operations you see it during hover training, in traffic patterns and practicing autorotations.

Work flying: In Australia the R22 is a tool of cattle farming. On large farms pilots use it to round up herds of cattle, so-called mustering. In mid-2011 there were 489 R22s registered there, and most of their flight hours went to such missions.

Authorities and military: Individual police forces and armed forces use or used the R22, such as the Croatian police or, until 2024, the Philippine Navy. Those are exceptions, though; the lion’s share flies in civil service.

Private: As the cheapest entry into owning a helicopter, the R22 is also popular with private pilots. Such aircraft show up at air shows or on weekends at small fields.

Place	Chance of a hit	Why
Regional airfields with a helicopter flight school	high	Training operations, often several aircraft a day
Air shows and fly-ins of general aviation	medium	Private aircraft and schools show up
Regional airports	medium	Ferry flights, maintenance flights, traffic patterns
Large commercial airports	low	Training operations there mostly restricted

Many R22s have a transponder with ADS-B, but some transmit only limited data. How to find small helicopters on the radar anyway is explained in the article Tracking helicopters on flight trackers. General tips for encounters with small aircraft are offered by the guide Recognizing small aircraft.

Spotting at the flight school

Flight school operations are rewarding for spotters: the aircraft often circle for hours over the same field, so you have many chances at a good picture. At the same time, people work there who need to concentrate. A few rules help everyone.

Whether your position is acceptable in principle is covered by the article Is plane spotting allowed?. You’ll find general tips on rotorcraft spotting in the guide Helicopter spotting.

Photo tips especially for the R22

With a two-blade rotor, shutter speed matters even more than with types that have many blades. With only two blades, an exposure that is too short produces two clearly visible streaks above the cabin – the helicopter looks as if the engine were stopped.

The technique is the same as with propeller aircraft; details are in the guide Photographing propellers: the right shutter speed. You can plan when the light fits at your location with the sun position guide. In Planetrack the sun position planner also shows you directly for your spot when backlight threatens, and the weather display reveals wind and the active runway at the airport.

Common mix-ups and how to rule them out

You can get hands-on helicopter history at the Helicopter Museum Bückeburg, where you can compare small piston helicopters next to large military types.

Conclusion

The R22 is the helicopter in which generations of pilots learned to hover. Small, economical and mechanically simple, it demands precise flying at the same time – hence the safety course and special rules. For you as a spotter it is an everyday type with history: two blades, two seats, Plexiglas bubble and a clattering piston engine. Remember the difference from the R44 through doors and cabin length, and the identification sticks. If you are just starting out, the introduction Plane spotting for beginners will get you on course quickly.