Robinson R44 - program supplier guide | Airframer

Robinson R44

In production

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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).

Photo: Robinson Helicopter Company

Lift type

Rotary wing

Construction

Factory-built

Control

Piloted

Engine type

Piston

Application

Sport, Trainer

Final assembly

Torrance (Zamperini Field) ·

Design & construction

Primary structure

Aluminium

Landing gear

Skids

Ice protection

None

Pressurisation

Unpressurised

Flight controls

Mechanical

Autopilot

None

Avionics architecture

Analogue

Environmental control

None-unpressurised

Rotor configuration

Single main + tail

Certification

Part 27

Minimum crew

Technical reference compiled with AI research; a value appears only where two independent research passes and a web fact-check agree. Gaps are deliberate.

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Type variants

Variant	Launch / first flight	Notes
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: 13 (2026) GAMA: Robinson Helicopter Company R44 Raven I. 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: 20 (2026) GAMA: Robinson Helicopter Company R44 Raven II. Upgraded version designed to requirements of FAR Pt 27, includes Clipper II with floats.
Robinson R44 Cadet	2016 / 2016	Production: 1 (2026) GAMA: Robinson Helicopter Company R44 Cadet. 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 ·

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Program milestones 38 dated events

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