Briefings / Checks ROBINSON R 44 RAVEN I
Robinson R44 Raven I · Checklist
Overview
This document serves as a checklist for the Robinson R44 Raven I helicopter, providing essential briefings and checks for pilots before and during flight operations. It includes detailed information on helicopter data, limitations, and procedures for engine start, preflight checks, and in-flight operations. The checklist is designed to ensure safety and compliance with operational standards, making it a vital tool for pilots operating this aircraft model. The document outlines specific weights, speeds, and operational limits, as well as step-by-step procedures for various flight phases.
- Maximum Takeoff Weight: 2400 lbs
- Empty Weight: 1440 lbs
- Fuel Flow: Approximately 60 L/h
- Max Operating Altitude: 14,000 ft DA
- Max Airspeed (up to 3000 ft DA): 130 KIAS at 2200 lbs TOM
Document
Source
Originally published by www.flugschule-eichenberger.ch. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type
- Checklist
- Year
- 2014
- Pages
- 13
- File size
- 1.8 MB
- Publisher
- www.flugschule-eichenberger.ch
Common. Rarer than 4% of the aircraft models we track.
Most owners only have the POH. Here's the essential set for the Robinson R44 Raven I.
- 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
Helicopter Data
The helicopter data section includes critical specifications such as the call sign (HB-ZOC), serial number (1388), empty weight (1440 lbs), and maximum takeoff weight (2400 lbs). It also provides information on fuel flow, which is approximately 60 liters per hour, and various weights related to pilot and passenger limits.
Limitations
This section outlines airspeed, weight, rotor, and altitude limitations for the R44 Raven I. For instance, the maximum gross weight is 2400 lbs, and the maximum airspeed at or below 3000 ft DA is 130 KIAS for a takeoff weight of 2200 lbs or below. Rotor limitations specify power on maximum at 102% and minimum at 101%.
Departure Briefing
The departure briefing includes checks for obstacles and wind, the takeoff profile, and limitations regarding performance. It emphasizes the importance of briefing emergency procedures before departure.
Engine Start Procedures
The engine start section details the steps required to start the helicopter's engine, including checking the throttle, master switch, and ignition switch. It specifies that oil pressure should reach a minimum of 25 psi within 30 seconds of starting.
Preflight Checks
Preflight checks include ensuring that all switches are off, the fuel shut-off valve is on, and that the cyclic and collective controls are free of obstruction. The checklist also emphasizes the importance of checking the flight log and ensuring that the helicopter is ready for flight.
Safety notes
- Ensure all switches are off before engine start.
- Monitor oil pressure; it should reach 25 psi within 30 seconds of starting.
- Always check for obstacles and wind before departure.
Full document text
Briefings / Checks ROBINSON R 44 RAVEN I Briefings and Checks Robinson R 44 Raven I Helicopter Data: 1. Call Sign.... 2. S/N ........ 3. Empty weight.... 4. Fuel...... 5. Weight PIC/PAX 6. Actual TOM 7. Actual HOGE.. 8. MAX TOM 9. Fuel Flow...... HB-ZOC 1388 1440 lbs 2400 LBS ca. 60 L/h 1. Edition FLUGSCHULE EICHENBERGER AG e 16.05.2014 1 Briefings / Checks LIMITATIONS AIRSPEED LIMITATIONS ROBINSON R 44 RAVEN I 1. Up to 3000 ft DA 2200 lbs TOM or below 130 KIAS over 2200 lbs TOM..... AR........ 120 KIAS 2. Above 3000 ft DA. 3. Above MCP .... 4. Any doors removed 100 KIAS according placard 100 KIAS 100 KIAS WEIGHT LIMITATIONS 1. Max gross weight... 2. Min gross weight. 3. Max weight per seat inl. Baggage.. 4. Max weight in baggage compartment 5. Min solo pilot incl. baggage.... ROTOR LIMITATIONS 1. Power On ...... 2. Power Off. 3. Low RPM warning 2400 lbs 1550 lbs 300 lbs 50 lbs 150 lbs Max 102% Min 101% Max 108% Min 90% 97% ALTITUDE LIMITATIONS 1. Max operating altitude.. 14'000 ft DA and 9000ft GND 1. Edition FLUGSCHULE EICHENBERGER AG e 2 16.05.2014 LATERAL CG - IN. GROSS WEIGHT - LB Briefings / Checks ROBINSON R 44 RAVEN I FUSELAGE STATION (IN. FROM DATUM) 91 92 93 94 95 96 97 98 99 100 101 102 103 2500 1100 2400 1050 2300 2200 1000 MOST FWD CG WITH FULL 2100 FUEL TO KEEP CG WITHIN LIMITS AT ZERO FUEL. 950 2000 900 1900 850 1800 1700 1600 1500 800 750 700 E MAIN ROTOR 8 R 3 R- 6 R 2 R 4 R 1 R 2 R 0 2 L 1 L 2 L 3 L 4 L 6 L 8 L 232 236 240 244 248 252 256 260 FUSELAGE STATION (CM FROM DATUM) 1. Edition FLUGSCHULE EICHENBERGER AG e LATERAL CG - CM 16.05.2014 3 GROSS WEIGHT - KG Briefings / Checks PRESSURE ALTITUDE - Hp X 1000 FT 14 13 ROBINSON R 44 RAVEN I OUT OF GROUND EFFECT, ZERO WIND TAKEOFF POWER OR FULL THROTTLE 101-102% RPM 700 800 GROSS WEIGHT - KG 900 1000 1100 OAT °C °F - 20 - 4 - 10 +14 12 12 0 +32 STANDARD +10 +50 DAY + 20 +68 11 +30 +86 +40 +104 10 9 80 7 4 3 2 1 DENSITY ALTITUDE 11,600 FT 0 1500 1700 1900 2200 GW 2400 OAT °C 20 -10 +10- 20- +30 40 GW 2100 2300 2500 GROSS WEIGHT - LB 4 1. Edition FLUGSCHULE EICHENBERGER AG e 16.05.2014 Briefings / Checks ROBINSON R 44 RAVEN I LIMIT MANIFOLD PRESSURE - IN. HG MAXIMUM CONTINUOUS POWER PRESS ALT-FT-20 OAT - °C -10 0 10 20 30 40 SL 22.9 23.2 23.5 23.8 24.1 24.4 24.7 2000 22.5 22.8 23.1 23.4 23.7 24.0 24.2 4000 22.2 22.5 22.8 23.1 23.4 23.7 23.9 6000 FULL THROTTLE 21.8 22.1 FOR MAX TAKEOFF POWER (5 MIN), ADD 1.6 IN. HG NEVER EXCEED SPEED - KIAS 2200 LB TOGW & BELOW PRESS OAT - °C ALT-FT-20 -10 0 10 20 30 40 SL 2000 130 127 123 4000 126 122 118 114 6000 126 122 117 113 108 103 8000 122 117 112 107 101 96 91 10000 112 106 101 12000 101 95 89 14000 89 95 90 85 NO FLIGHT OVER 2200 LB TOGW, SUBTRACT 10 KIAS FOR AUTOROTATION, SUBTRACT 30 KIAS 1. Edition FLUGSCHULE EICHENBERGER AG e 16.05.2014 LO 5 Briefings / Checks ROBINSON R 44 RAVEN I DEPARTURE BRIEFING 1. Obstacles / Wind.... 2. Departure procedure 3. Limitations 4. Emergency. Checked take off profile (HIGE/HOGE) LMP/MCP/Vne / HOGE Performance briefed PREPARATION OF HELICOPTER 1. Outside Check... 2. Flight Log..... 3. Flight Notification. COMPLETED CHECKED FILLED OUT ENGINE PRESTART Departure briefing completed (METEO/NOTAM / DABS / FUEL CAPS / CABIN / PAX / BAGGAGE / AFT DOORS UNLOCKED AND LATCHED / DUAL CONTROLS REMOVED IF SOLO) 1. Seat belts 2. Fuel shut-off valve..... 3. Cyclic collective friction 4. Cyclic / Collective / Pedals 5. Throttle... 6. Collective........ Fastened On Off Full travel free Full travel free - CLOSED Full down, friction on Neutral friction on 7. Cyclic....... 8. Pedals.... Neutral 9. All switches / Landing light Off 10. HYD and GOV switches. On 11. Circuit breakers ....... All in 12. Carb heat...... Off 13. Mixture ..... 14. Mixture Guard 15. Clutch...... 16. Altimeter 17. Rotor brake Full Rich Installed Disengaged Set Disengaged 1. Edition FLUGSCHULE EICHENBERGER AG e 16.05.2014 6 Briefings / Checks ROBINSON R 44 RAVEN I ENGINE START 1. Throttle twists for priming 2. Throttle... 3. Master switch 4. Strobe light.... 5. Area 6. Ignition switch. 7. Starter-On light.. 8. Engine RPM 9. Oil pressure.. 10. Alternator.... 11. Clutch switch 12. Rotor Blades turning.. 13. Carb heat ..... 14. Headsets. 15. All necessary consumers 16. Wait for clutch light...... 17. Warm-up RPM As required (when engine cold 12x) CLOSED On On Clear Start, than both Out 50% to 60% 25 psi minimum within 30 sec On (Alt light out) Engage less than 5 seconds Full on On On Out 60 to 70% RUN UP CHECK 1. Engine gages. 2. Mag drop @ 75% RPM _ Green Max 7% drop in 2 sec 3. Sprag clutch check from 75% RPM Needles split 4. Carb heat check 5. Doors... Push carb heat, CAT drop and slight RPM rise Closed and latched 6. Cyclic / Collective friction. 7. Hydraulic system Off Check 8. Governor on, increase throttle........ RPM 101 – 102% 9. Warning lights ..... Out 10. Lift collective slightly, reduce RPM. Horn / light at 97% 1. Edition FLUGSCHULE EICHENBERGER AG e 16.05.2014 7 Briefings / Checks CHECK BEFORE DEPARTURE 2. Cyclic collective frictions.......... Off 3. Governor On 4. Carb heat 5. Landing light. 6. Fuel quantity.. 7. Temp's & Pressures. 8. RPM...... 9. Warning lights. ROBINSON R 44 RAVEN I out of yellow arc as required as required Green arc 102% Out HOVER CHECK 1. Manifold Pressure 2. RPM...... 3. Wind 4. Departure sector CLIMB CHECK 1. Manifold pressure. 2. RPM 3. Speed.. 4. Carb heat 5. Landing light... CRUISE CHECK 1. Manifold pressure.. 2. RPM..... 3. Carb heat 4. Speed..... 5. Fuel..... 6. Temp's & Pressures. 7. Warning lights. 8. Landing light.. Checked 102% Checked Clear 20 inch LMP (5 Min) 102% 60 KIAS out of yellow arc as required - 19 inch MCP 102% out of yellow arc as required Endurance Green arc Out as required 1. Edition FLUGSCHULE EICHENBERGER AG e 16.05.2014 8 Briefings / Checks ROBINSON R 44 RAVEN I BRIEFING FOR APPROACH 1. REKO ....... 2. Landing spot.... 3. Limitations 4. Escape ..... Done Elevation LMP / HOGE Define route CHECK FOR APPROACH 1. Landing light...
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2. Carb heat 3. Fuel…....... 4. Temp's and Pressures 5. RPM...... 6. Warning lights as required Full on Endurance Green arc 102% Out FINAL CHECK 1. Safety window 2. Carb heat 3. Decision < 30 kts / < 300 ft ROD Off Land Go around SHUTDOWN 1. Collective down, RPM 60 – 70%.... Friction on 2. Cyclic Pedals. 3. CHT........ 4. Avionics... 5. Throttle..... 6. Clutch switch 7. Mixture off - 8. After complete rotor stop …………….. Neutral, friction on Drop (min 3 Minutes cool down) 121.5 checked, off Close Disengage After 30 sec All switches off / ignition off 1. Edition FLUGSCHULE EICHENBERGER AG e 9 16.05.2014 Briefings / Checks ROBINSON R 44 RAVEN I WARNING LIGHTS TACHOMETER FAILURE If rotor or engine tach malfunctions in flight, use remaining tach to monitor RPM. If it is not clear which tach is malfunctioning or if both tachs malfunction, allow governor to control RPM and land as soon as practical. NOTE Each tach, the governor, and the low RPM warning horn are on separate circuits. A special circuit allows the battery to supply. power to the tachs with the battery and alternator switches both OFF. HYDRAULIC SYSTEM FAILURE Hydraulic system failure is indicated by heavy or stiff cyclic and collective controls. Loss of hydraulic fluid may cause intermittent and/or vibrating feedback in the controls. Control will be normal except for the increase in stick forces. 1. HYD Switch verify ON. 2. If hydraulics not restored, HYD Switch - OFF. 3. Adjust airspeed and flight condition as desired for comfortable control. 4. Land as soon as practical. GOVERNOR FAILURE If engine RPM governor malfunctions, grip throttle firmly to override the governor, then switch governor off. Complete flight using manual throttle control. 1. Edition FLUGSCHULE EICHENBERGER AG e 16.05.2014 10 Briefings / Checks ROBINSON R 44 RAVEN I OIL ENG FIRE Indicates loss of engine power or oil pressure. Check engine tach for power loss. Check oil pressure gage and, if pressure loss is confirmed, land immediately. Continued operation without oil pressure will cause serious engine damage and engine failure may occur. Indicates possible fire in the engine compart- ment. See procedures on page 3-6. MR TEMP Indicates excessive temperature of main rotor gearbox. See note below. MR CHIP TR CHIP Indicates metallic particles in main rotor gearbox. See note below. Indicates metallic particles in tail rotor gearbox. See note below. 1. Edition FLUGSCHULE EICHENBERGER AG e 16.05.2014 11 Briefings / Checks BRAKE ROBINSON R 44 RAVEN I Indicates rotor brake is engaged. Release immediately in flight or before starting engine. STARTER ON Indicates starter motor is engaged. If light does not go out when ignition switch is released from start position, immediately pull mixture off and turn battery switch off. Have starter motor serviced. GOV-OFF CARBON MONOXIDE Indicates engine RPM throttle governor is off. If Indicates elevated levels of carbon monoxide (CO) in cabin. Shut off heater and open nose and door vents. If hovering, land or transition to forward flight. symptoms of CO poisoning (headache, drowsiness, dizziness) accompany light, land immediately. 1. Edition FLUGSCHULE EICHENBERGER AG e 16.05.2014 12 Briefings / Checks LOW FUEL ROBINSON R 44 RAVEN I Indicates approximately three gallons of usable fuel remaining. The engine will run out of fuel after ten minutes at cruise power. CAUTION Do not use low fuel warning light as a working indication of fuel quantity. CLUTCH Indicates clutch actuator circuit is on, either engaging or disengaging clutch. When switch. is in the ENGAGE position, light stays on until belts are properly tensioned. Never take off before light goes out. ALT NOTE Clutch light may come on momentarily during run-up or during flight to retension belts as they warm-up and stretch slightly. This is normal. If, however, the light flickers or comes on in flight and does not go out within 10 seconds, pull CLUTCH circuit breaker and land as soon as practical. Reduce power and land immediately if there are other indications of drive system failure (be prepared to enter autorotation). Inspect drive system. for a possible malfunction. Indicates low voltage and possible alternator failure. Turn off nonessential electrical equipment and switch ALT off and back on after one second to reset overvoltage relay. If light stays. on, land as soon as practical. Continued flight without functioning alternator can result in loss of electronic tachometer, producing a hazardous flight condition. 1. Edition FLUGSCHULE EICHENBERGER AG e 16.05.2014 13
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