Variants
- R22
- Initial production version powered by a Lycoming O-320-A2B or A2C piston engine.
- R22 HP
- Higher-powered version, powered by a 160-bhp Lycoming 0-320-B2C piston engine.
- R22 Alpha
- Improved version certified in 1983 powered by a Lycoming 0-320-B2C piston engine.
- R22 Beta
- Fitted with a more powerful engine, powered by a Lycoming 0-320-B2C piston engine.
- R22 Beta II
- Fitted with a more powerful engine, powered by a Lycoming O-360-J2A piston engine.
- R22 Beta II Police
- Police patrol version, equipped with searchlight and loudspeaker.
- R22 Mariner
- Designed for off-shore work, fitted with floats and wheels, powered by a Lycoming 0-320-B2C Beta piston engine. Limited to daylight operations when fitted with floats.
- R22 Mariner II
- Designed for off-shore work, fitted with floats and wheels, powered by a Lycoming O-360-J2A Beta II piston engine. Limited to daylight operations when fitted with floats.
- R22 Police
- Police version.
- R22 IFR
- Designed for IFR training with a larger 10-hole panel to accommodate additional instruments. Not IFR certified so training must be done with a safety pilot in VFR conditions.
- Maverick UAV
- Unmanned military version marketed by Boeing
- Renegade UAV
- Unmanned R&D version built for DARPA
Read more about this topic: Robinson R22
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