AIRCRAFT PROGRAM

Robinson R44

Photo: Hartzell Engine Technologies

Photo: Robinson Helicopter Company

Lift type	Rotary wing
Construction type	Factory-built
Control type	Piloted
Engine type	Piston
Application	Sport, Trainer
Final assembly	Torrance (Zamperini Field)
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Single piston light utility helicopter. Variants are Raven I and Raven II (fuel-injected engine); also R44 Clippers equipped with floats. Includes Robinson Unmanned R44 Airtruck / Sprayhawk (initially developed by Rotor Technologies), and Rotor R220Y (R550 prototype).

Type variants

Variant	Launch/First flight	Production end
Rotor R220Y	/ 2022		Uncrewed helicopter based on the Robinson R22. Used to develop and demonstrate core autonomous flight technologies that will be used on the R550X.
Robinson R44 Raven I	2000 / 2000		Production: 32 (2024). Four-seat helicopter, basic version with hydraulic control system and elastomeric tail rotor bearings, includes Clipper I with floats.
Robinson R44 Raven II	2002 / 2002		Production: 121 (2024). Upgraded version designed to requirements of FAR Pt 27, includes Clipper II with floats.
Robinson R44 Cadet	2016 / 2016		Production: 5 (2024). Based on Raven I with rear seat removed and reconfigured for cargo, tailored for training market, includes variant with floats.
Robinson Unmanned R44	2023 / 2024		Utility UAV based on Robinson R44, equipped to lift heavy loads up to 1,212 lbs (550 kg) in all weather conditions. Flight time of over 3 hours and top speed of 150 mph. Includes agricultural Sprayhawk and cargo Airtruck variants. Formerly Rotor R550X.

Airframer

Robinson Helicopter Company	News
Rotor Technologies, Inc.	News	R220Y / R550X

Other aircraft programs: Robinson R22 Beta II, Robinson R66, Robinson R88

Supply chain

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Design	Design (1)
Components	Non-Mechanical Components (1)
Avionics	Avionic Components (1) Communications (Airborne) (2) Flight and Data Management (2) Imaging and Visual Systems (1) Indicators and Instruments (5)
Power Systems	Batteries & Accessories (1) Engine Components (1) Engines (1)
Testing	Aircraft Operations (4)

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Information on this page is compiled from a variety of published sources, and links do not necessarily imply recommendation or confirmation by the airframe manufacturer.