R44 Raven II & Clipper II Specifications
Robinson R44 Clipper · Specifications
Overview
This document provides specifications for the Robinson R44 Raven II and Clipper II helicopters, highlighting their performance, design features, and standard equipment. It is intended for pilots, aviation enthusiasts, and maintenance personnel who require detailed information about these aircraft models. The R44 helicopters are known for their reliability, ease of maintenance, and advanced avionics, making them suitable for various flight operations. Key specifications include dimensions, weight limits, engine performance, and standard equipment features, which are essential for safe and efficient operation.
- Maximum Gross Weight: 2500 lb (1134 kg)
- Cruise Speed: Up to 109 kts (202 km/h) for Raven II, 106 kts (196 km/h) for Clipper II
- Hover Ceiling IGE: 8950 ft at 2500 lb
- Engine: Lycoming IO-540, derated to 245 hp for takeoff
- Standard Fuel Capacity: 29.5 gallons (177 lb)
Document
Source
Originally published by www.nac.co.za. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type
- Specifications
- Year
- 2020
- Pages
- 2
- File size
- 209 KB
- Publisher
- www.nac.co.za
Specifications & performance
Extracted from this document.
Specifications
- Range (nm)
- 300
- Engine (hp)
- 245
- Engine model
- Lycoming IO-540
- Max speed (kt)
- 109
- Cruise speed (kt)
- 109
- Empty weight (lb)
- 1,505
- Fuel capacity (gal)
- 29.5
- Rate of climb (fpm)
- 1,000
- Service ceiling (ft)
- 14,000
- Max takeoff weight (lb)
- 2,500
Weight & balance
- Useful load (lb)
- 995
- Basic empty weight (lb)
- 1,505
- Max takeoff weight (lb)
- 2,500
Common. Rarer than 5% of the aircraft models we track.
Most owners only have the POH. Here's the essential set for the Robinson R44 Clipper.
- Pilot's Operating Handbook / AFM
- Checklist
- Maintenance Manual
- Parts Catalog (IPC)
- Systems & Wiring
- Service Bulletins
- Type Certificate (TCDS)
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In this document
Dimensions
The R44 Raven II and Clipper II helicopters have a maximum gross weight of 2500 lb (1134 kg). The approximate empty weight for the Raven II is 1505 lb (683 kg), while the Clipper II is slightly heavier at 1570 lb (712 kg). Both models have a standard fuel capacity of 29.5 gallons (177 lb or 80 kg) and an auxiliary fuel capacity of 17.0 gallons (102 lb or 46 kg).
Engine Specifications
Both the Raven II and Clipper II are powered by a Lycoming IO-540 six-cylinder, fuel-injected engine. The engine is derated to 245 horsepower for takeoff and 205 horsepower for continuous operation, providing reliable performance across various flight conditions.
Performance Metrics
The R44 helicopters have impressive performance metrics, including a cruise speed at maximum gross weight of up to 109 knots (202 km/h) for the Raven II and up to 106 knots (196 km/h) for the Clipper II. The maximum range for both models is approximately 300 nautical miles (550 km). The hover ceiling in ground effect (IGE) is 8950 ft at 2500 lb for both models.
Standard Equipment
Standard equipment for the R44 helicopters includes hydraulically boosted controls, an RPM governor, throttle correlator, crashworthy fuel system, intercom system, and various safety features such as a carbon monoxide detector and rotor brake. The helicopters also come with tinted windows and three-point shoulder harnesses for enhanced safety.
Avionics and Instruments
The standard avionics package includes an eight-hole instrument panel with a Garmin GMA 350Hc audio panel, Garmin GTR 225B COM radio, and Garmin GTX 335 transponder with ADS-B Out. The instruments provide essential flight data, including airspeed, altitude, and engine performance metrics.
Safety notes
- Ensure proper weight and balance calculations before flight.
- Monitor engine performance indicators during operation.
Full document text
Four-seat R44 Raven II and Clipper II heli- copters are high performing, reliable and easy to maintain. R44s have a two-bladed rotor system, T-bar cyclic, streamlined instrument panels, and a crashworthy fuel system. An aluminum monocoque and powder- coated steel tube structure provides a light weight yet robust airframe while the aerodynamic fuselage optimizes airspeed and fuel economy. Hydraulically boosted controls eliminate cyclic and collective feedback forces and provide responsive handling. A low tail-rotor tip speed and large cambered tail reduce flyover noise. Raven II and Clipper II helicopters are pow- ered by Lycoming’s IO-540 fuel injected engine. The IO-540 delivers improved alti- tude performance, increased payload and eliminates the need for carburetor heat. OPTIONS • Leather Seats in Tan, Charcoal or Gray • Impact Resistant Windshield • Air Conditioning • Garmin and Aspen Flight Displays • Garmin and Avidyne Touchscreen Navigators • Genesys HeliSAS Autopilot • Bose A20 Headsets with Bluetooth Standard 8-Hole Panel shown with optional artiflcial hori- zon and dual Garmin GTR 225 COMs Panel shown with optional Garmin GDU 700L TXi Display System, Garmin GTN 650, Genesys HeliSAS Autopilot, Garmin GTX 345 transponder, and right side accessory bar. R44RAVEN II & CLIPPER II R44RAVEN II & CLIPPER II SPECIFICATIONS DIMENSIONS © Robinson Helicopter Company. Robinson and R44 are registered trademarks of Robinson Helicopter Company. Jan. 2020 2901 Airport Drive • Torrance, CA • 90505 • USA Phone: 310-539-0508 • Fax: 310-539-5198 www.robinsonheli.com ROBINSON HELICOPTER COMPANY STANDARD AVIONICS • Eight-hole instrument panel • Garmin GMA 350Hc audio panel • Garmin GTR 225B COM radio • Garmin GTX 335 transponder with ADS-B Out • Four-place intercom system compatible with standard and Bose stereo headsets STANDARD INSTRUMENTS • Airspeed indicator • Altimeter • Rotor/engine dual tachometer • Manifold pressure gage • Vertical speed indicator • Magnetic compass • Cylinder head temperature gage • Oil temperature and pressure gages • Fuel gages • Ammeter • Digital OAT gage/voltmeter • Hourmeter • Quartz clock STANDARD EQUIPMENT • Hydraulically boosted controls • RPM governor • Throttle correlator • Engine overspeed protection during starting • Crashworthy fuel system with bladder tanks • Engine oil filter and quick drain • Cabin heater and defogger • Carbon monoxide detector • Rotor brake • Intercom switches • Avionics master switch • Tinted windows • Fabric velour seats • Three-point shoulder harnesses • Pilot-side adjustable pedals • Sound damping headliner • Underseat storage compartments • Belly hardpoint • LED anti-collision and navigation lights • Dual HID landing lights • LED panel and map lights • Tow cart adapter • Ground handling wheels • Rotor blade tie downs • Windshield cover • Travel bag Helicopter Raven II Clipper II with pop-out floats Engine Lycoming IO-540, six cylinder, fuel injected Lycoming IO-540, six cylinder, fuel injected Horsepower Derated to 245 for takeoff and 205 continuous Derated to 245 for takeoff and 205 continuous Maximum Gross Weight 2500 lb (1134 kg) 2500 lb (1134 kg) Approximate Empty Weight (incl. oil & standard avionics) 1505 lb (683 kg) 1570 lb (712 kg) Standard Fuel (29.5 gal) 177 lb (80 kg) 177 lb (80 kg) Auxiliary Fuel (17.0 gal) 102 lb (46 kg) 102 lb (46 kg) Pilot, Passengers, and Bag- gage (with standard fuel) 818 lb (371 kg) 753 lb (342 kg) Cruise Speed at Maximum Gross Weight up to 109 kts (202 km/h) up to 106 kts (196 km/h) Maximum Range (no reserve) approx 300 nm (550 km) approx 300 nm (550 km) Hover Ceiling IGE 8950 ft @ 2500 lb 8950 ft @ 2500 lb Hover Ceiling OGE 7500 ft @ 2300 lb 7500 ft @ 2300 lb Rate of Climb over 1000 fpm over 1000 fpm Maximum Operating Altitude 14,000 ft 14,000 ft Electrical System 28 volt 28 volt
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