Руководство по эксплуатации r66

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  CLASS J SUBSCRIPTION SERVICE If you wish to receive future changes to R66 Pilot’s Operating Handbook and copies of future Safety Notices, send a check or money order for $25 USD to: ROBINSON HELICOPTER COMPANY 2901 Airport Drive Torrance, CA 90505 You will receive all future changes to the Handbook and future Safety Notices for a period of two years.
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  ROBINSON MODEL R66 LOG OF PAGES LOG OF PAGES APPROVED BY FAA TYPE CERTIFICATE NO. R00015LA Page Approval Page Approval Date Date Cover 25 Oct 10 Log of Pages 19 Oct 16 Section 2 19 Oct 16 15 Apr 14…
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  ROBINSON MODEL R66 LOG OF PAGES LOG OF PAGES NOT REQUIRING FAA APPROVAL Page Revision Page Revision Date Date Section 1 25 Oct 10 25 Oct 10 General 25 Oct 10 25 Oct 10 25 Oct 10 25 Oct 10…
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• Page 19: Table Of Contents

  ROBINSON SECTION 2 MODEL R66 LIMITATIONS SECTION 2 LIMITATIONS CONTENTS Page General ……..

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• Page 21: General

  This helicopter is approved as a normal category rotorcraft under FAA Type Certificate No. R00015LA as Model R66. COLOR CODE FOR INSTRUMENT MARKINGS Operating limit.

• Page 22: Rotor Speed Limits

  ROBINSON SECTION 2 MODEL R66 LIMITATIONS ROTOR SPEED LIMITS TACHOMETER ACTUAL READING Power On Maximum continuous 101% Minimum continuous Power Off Maximum 106% Minimum POWERPLANT LIMITATIONS ENGINE One Rolls-Royce Model 250-C300/A1 OPERATING LIMITS Gas generator speed (N Maximum 105 % (53,519 RPM)

• Page 23: Weight Limits

  ROBINSON SECTION 2 MODEL R66 LIMITATIONS POWERPLANT LIMITATIONS (cont’d) OPERATING LIMITS (cont’d) Oil Temperature, Maximum 107°C Oil Pressure Maximum during start and warm up 150 psi Maximum operating 130 psi Minimum above 94% N 115 psi Minimum below 78% N…

• Page 26: Kinds Of Operation Limitations

  ROBINSON SECTION 2 MODEL R66 LIMITATIONS KINDS OF OPERATION LIMITATIONS VFR day and night operations are approved. VFR operation at night is permitted only when landing, navigation, instrument, anti-collision lights operational. Orientation during night flight must be maintained visual reference…

• Page 27: Fuel Limitations

  ROBINSON SECTION 2 MODEL R66 LIMITATIONS FUEL LIMITATIONS APPROVED FUEL GRADES Grade Operating Limits (Specification) Anti-icing additive may be required (see Jet A or Jet A1 below). Not approved for ambient tem- (ASTM D 1655) peratures below –32ºC (–25ºF). Anti-icing additive may be required (see Jet B below).

• Page 28: Instrument Markings

  ROBINSON SECTION 2 MODEL R66 LIMITATIONS INSTRUMENT MARKINGS NOTE Red lines offset so instrument pointer should not enter red. See color code on page 2-1. AIRSPEED INDICATOR Green arc 0 to 110 KIAS Yellow arc* 110 to 140 KIAS Red cross-hatch…

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  ROBINSON SECTION 2 MODEL R66 LIMITATIONS INSTRUMENT MARKINGS (cont’d) MEASURED GAS TEMPERATURE Green arc 150 to 706ºC Yellow arc (5 minute limit) 706 to 782ºC Red line 782ºC Red dot (start limit) 927ºC ENGINE OIL TEMPERATURE Green arc 0 to 107ºC Red Line 107ºC…

• Page 30: Placards

  ROBINSON SECTION 2 MODEL R66 LIMITATIONS PLACARDS Adjacent to pilot’s cyclic grip: Near fuel tank filler cap: FUEL GRADE JET A, JET A1, JET B OR AS SPECIFIED IN PILOT’S HANDBOOK ANTI-ICE ADDITIVE MAY BE REQUIRED SEE PILOT’S HANDBOOK FAA APPROVED: 19 OCT 2016…

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  ROBINSON SECTION 2 MODEL R66 LIMITATIONS PLACARDS (cont’d) Near fuel gage: 73.6 US GAL 279 LITERS In clear view of pilot: SEE PILOT’S HANDBOOK FOR SOLO PILOT WEIGHT LESS THAN 160 LB (73 KG) THIS ROTORCRAFT APPROVED FOR DAY AND NIGHT VFR OPERATIONS…
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  ROBINSON SECTION 2 MODEL R66 LIMITATIONS PLACARDS (cont’d) Near lock on rear cabin doors: PUSH TO LOCK DO NOT LOCK IN FLIGHT Inside each under-seat compartment: CAUTION DO NOT EXCEED THE FOLLOWING: • COMPARTMENT CAPACITY: 50 LB (23 KG) • COMBINED SEAT PLUS COMPARTMENT: 300 LB (136 KG) •…
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  ROBINSON SECTION 3 MODEL R66 EMERGENCY PROCEDURES SECTION 3 EMERGENCY PROCEDURES CONTENTS Page Definitions ……..
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• Page 35: Definitions

  ROBINSON SECTION 3 MODEL R66 EMERGENCY PROCEDURES SECTION 3 EMERGENCY PROCEDURES DEFINITIONS Land Immediately – Land on the nearest clear area where a safe landing can be performed. Be prepared to enter autorotation during approach, if required. Land as soon as practical – Landing site is at pilot’s discretion based on nature of problem and available landing areas.

• Page 36: Power Failure Above 500 Feet Agl

  ROBINSON SECTION 3 MODEL R66 EMERGENCY PROCEDURES POWER FAILURE ABOVE 500 FEET AGL 1. Lower collective immediately to maintain rotor RPM. 2. Establish a steady glide at approximately 70 KIAS. (For maximum glide distance or minimum rate of descent, see page 3-3.) 3.

• Page 37: Maximum Glide Distance Configuration

  ROBINSON SECTION 3 MODEL R66 EMERGENCY PROCEDURES MAXIMUM GLIDE DISTANCE CONFIGURATION 1. Airspeed approximately 90 KIAS. 2. Rotor RPM approximately 90%. Best glide ratio is about 5.5:1 or one nautical mile per 1100 feet AGL. MINIMUM RATE OF DESCENT CONFIGURATION 1.

• Page 39: Loss Of Tail Rotor Thrust During Hover

  ROBINSON SECTION 3 MODEL R66 EMERGENCY PROCEDURES LOSS OF TAIL ROTOR THRUST IN FORWARD FLIGHT Failure is usually indicated by nose right yaw which cannot be corrected by applying left pedal. 1. Immediately close throttle and enter autorotation. 2. Maintain at least 70 KIAS if practical.

• Page 40: Engine Fire During Start Or Shutdown

  ROBINSON SECTION 3 MODEL R66 EMERGENCY PROCEDURES ENGINE FIRE DURING START OR SHUTDOWN Fire may be indicated by excessive MGT or by engine fire warning light. 1. Fuel cutoff – Pull OFF. 2. Start button – Push and release. 3. Fuel valve knob – Pull OFF.

• Page 41: Tachometer Failure

  ROBINSON SECTION 3 MODEL R66 EMERGENCY PROCEDURES TACHOMETER FAILURE If rotor or N tachometer malfunctions in flight, use remaining tach to monitor RPM. If it is not clear which tach is malfunctioning or if both tachs malfunction allow power turbine governor to control RPM and land as soon as practical.

• Page 42: Red Warning Indicators

  ROBINSON SECTION 3 MODEL R66 EMERGENCY PROCEDURES RED WARNING INDICATORS MR TEMP/ Indicates excessive temperature or low oil PRESS pressure in main gearbox. Land immediately. ENGINE FIRE Indicates possible fire in engine compart- ment. See procedures on page 3-6. ENGINE OIL Indicates loss of engine oil pressure.

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  ROBINSON SECTION 3 MODEL R66 EMERGENCY PROCEDURES AMBER CAUTION INDICATORS (cont’d) Indicates generator failure. Turn off nonessential electrical equipment and switch GEN to RESET and back to ON. If light stays on, land as soon as practical. LOW FUEL Indicates approximately five gallons of usable fuel remaining.
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  ROBINSON SECTION 4 MODEL R66 NORMAL PROCEDURES SECTION 4 NORMAL PROCEDURES CONTENTS Page Recommended Airspeeds ….. . . 4-1 Daily or Preflight Checks ……
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• Page 47: Recommended Airspeeds

  ROBINSON SECTION 4 MODEL R66 NORMAL PROCEDURES SECTION 4 NORMAL PROCEDURES RECOMMENDED AIRSPEEDS Takeoff and Climb 60 KIAS Maximum Range 100 KIAS* Maximum Cruise 110 KIAS* (Do not exceed except in smooth air, and then only with caution) Significant turbulence…

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  ROBINSON SECTION 4 MODEL R66 NORMAL PROCEDURES DAILY OR PREFLIGHT CHECKS (cont’d) 1. Pilot’s Station Battery switch ON Check fuel quantity MR temp/press, engine oil, gen, low RPM lights on Test annunciator panel, all lights on Check strobe, nav, landing lights…
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  ROBINSON SECTION 4 MODEL R66 NORMAL PROCEDURES DAILY OR PREFLIGHT CHECKS (cont’d) 4. Belly Verify all antennas and panels secure Verify aft crosstube cover properly installed Verify generator cooling air filter clean 5. Main Rotor Verify no damage to blades…
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  ROBINSON SECTION 4 MODEL R66 NORMAL PROCEDURES DAILY OR PREFLIGHT CHECKS (cont’d) 8. Cabin Area Verify no loose items Verify all items clear of controls Verify left seat controls removed or properly installed Verify seatbelts for unoccupied seats buckled CAUTION Remove left seat controls if person in that seat is not a rated helicopter pilot.

• Page 51: Cold Weather Operation

  ROBINSON SECTION 4 MODEL R66 NORMAL PROCEDURES COLD WEATHER OPERATION Special precautions should be taken if the helicopter is to be started after a cold soak below 4°C (40°F). Since a cold battery has significantly reduced capacity, pre-heating the battery is recommended. Use auxiliary ground power if available.

• Page 52: Before Starting Engine

  ROBINSON SECTION 4 MODEL R66 NORMAL PROCEDURES BEFORE STARTING ENGINE Seat belts ……. Fastened Fuel valve .

• Page 53: Starting Engine And Run-Up

  ROBINSON SECTION 4 MODEL R66 NORMAL PROCEDURES STARTING ENGINE AND RUN-UP Battery, strobe switches ……ON Igniter (key) ……. Enable Area .

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  ROBINSON SECTION 4 MODEL R66 NORMAL PROCEDURES STARTING ENGINE AND RUN-UP (cont’d) NOTE Time between starter engagement and idle should normally not exceed 40 seconds. If time exceeds 40 seconds but engine continues to accelerate, start attempt may be extended to one minute.

• Page 55: Takeoff Procedure

  ROBINSON SECTION 4 MODEL R66 NORMAL PROCEDURES TAKEOFF PROCEDURE 1. Verify doors latched, hydraulics ON, and RPM stabilized at 100%. 2. Engine anti-ice as required per Section 2. 3. Clear area. Slowly raise collective until aircraft is light on skids. Reposition cyclic as required for equilibrium, then gently lift aircraft into hover.

• Page 56: Cruise

  ROBINSON SECTION 4 MODEL R66 NORMAL PROCEDURES CRUISE 1. Beep RPM as required to 100%. 2. Set torque as desired with collective. Observe torque, MGT, and airspeed limits. Maximum recommended cruise speed is 110 KIAS. 3. Verify gages in green, no cautions or warnings.

• Page 57: Practice Autorotation — Power Recovery

  ROBINSON SECTION 4 MODEL R66 NORMAL PROCEDURES PRACTICE AUTOROTATION — POWER RECOVERY CAUTION Verify a recent N deceleration check performed prior conducting autorotations. Do not close throttle above 10,000 feet density altitude or with cabin heat ON (see Section 2).

• Page 58: Practice Autorotation — With Ground Contact

  ROBINSON SECTION 4 MODEL R66 NORMAL PROCEDURES PRACTICE AUTOROTATION — WITH GROUND CONTACT If practice autorotations with ground contact are required for demonstration purposes, perform in same manner as power recovery autorotations except keep throttle closed throughout maneuver. Always contact ground with skids level and nose straight ahead.

• Page 59: Descent, Approach, And Landing

  ROBINSON SECTION 4 MODEL R66 NORMAL PROCEDURES DESCENT, APPROACH, AND LANDING 1. Reduce power with collective as desired. Observe airspeed limits. Maximum recommended airspeed is 110 KIAS except in smooth air. CAUTION Do not initiate a descent with forward cyclic. This can produce a low-G condition.

• Page 60: Shutdown Procedure

  ROBINSON SECTION 4 MODEL R66 NORMAL PROCEDURES SHUTDOWN PROCEDURE Collective down ……Friction ON Throttle closed ….N deceleration check Cyclic and pedals neutral .

• Page 61: Deceleration Check

  ROBINSON SECTION 4 MODEL R66 NORMAL PROCEDURES DECELERATION CHECK The deceleration check is performed on the ground to confirm proper fuel control operation. The check should be performed during the preflight run-up if autorotations are planned during the flight and again during shutdown. A failed check is an indication that the engine may flame out during an autorotation entry.

• Page 62: Noise Abatement

  ROBINSON SECTION 4 MODEL R66 NORMAL PROCEDURES NOISE ABATEMENT To improve the quality of our environment and to dissuade overly restrictive ordinances against helicopters, it is imperative that every pilot minimize noise irritation to the public. Following are several techniques which should be employed when possible.

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  RHC recommends inserting this sheet at the end of Section 4 of the R66 Pilot’s Operating Handbook. December 2014 AVOIDING HOT STARTS Exceeding temperature limits during a turbine start (a “hot start”) can cause severe engine damage requiring expensive repairs.
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  During a start: DO NOT push the fuel cutoff on until N is smoothly rising • through at least 15% (see flight manual for cold weather starts). If the starter is sluggish or will not achieve 15%, do not introduce fuel. Switch starter off using igniter (key) switch. If the engine is warm from a previous flight, DO NOT push •…
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  ROBINSON SECTION 5 MODEL R66 PERFORMANCE FAA APPROVED: 26 NOV 2013 5-11…
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  ROBINSON SECTION 7 MODEL R66 SYSTEMS DESCRIPTION SECTION 7 SYSTEMS DESCRIPTION CONTENTS Page General ……..
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• Page 91: General

  SYSTEMS DESCRIPTION SECTION 7 SYSTEMS DESCRIPTION GENERAL The R66 is a five-place, single main rotor, single engine helicopter constructed primarily of metal and equipped with skid-type landing gear. The primary fuselage structure is welded steel tubing and riveted aluminum sheet.

• Page 92: Rotor Systems

  ROBINSON SECTION 7 MODEL R66 SYSTEMS DESCRIPTION ROTOR SYSTEMS The main rotor has two all-metal blades mounted to the hub by coning hinges. The hub is mounted to the shaft by a teeter hinge. The coning and teeter hinges use self- lubricated bearings.

• Page 93: Drive System

  ROBINSON SECTION 7 MODEL R66 SYSTEMS DESCRIPTION DRIVE SYSTEM The engine is mounted in a 37 nose-up attitude. A sprag- ° type overrunning clutch mates directly to the splined engine power take-off (PTO) shaft. The clutch is connected to a shaft with flexible couplings at both ends to transmit power to the main gearbox.

• Page 94: Powerplant Installation

  ROBINSON SECTION 7 MODEL R66 SYSTEMS DESCRIPTION POWERPLANT INSTALLATION One Rolls-Royce model 250-C300/A1 (commercial desig- nation RR300) free-turbine turboshaft engine powers the helicopter. The engine is equipped with an ignition excit- er, igniter, starter-generator, two tachometer senders, and additional powerplant instrument senders. See sections 1 and 2 for power plant specifications and limitations.

• Page 95: Flight Controls

  ROBINSON SECTION 7 MODEL R66 SYSTEMS DESCRIPTION FLIGHT CONTROLS Dual controls are standard equipment and all primary controls are actuated through push-pull tubes and bellcranks. Bearings used throughout the control system are either sealed ball bearings which do not require lubrication or have self-lubricated liners.

• Page 96: Removable Flight Controls

  ROBINSON SECTION 7 MODEL R66 SYSTEMS DESCRIPTION REMOVABLE FLIGHT CONTROLS Left seat pilot controls may be removed and installed by maintenance personnel or pilots as follows: 1. To remove cyclic grip, remove quick-release pin by depressing button and pulling, then pull outward on left grip while supporting cyclic center post.

• Page 98: Control Friction Adjustment

  ROBINSON SECTION 7 MODEL R66 SYSTEMS DESCRIPTION CONTROL FRICTION ADJUSTMENT Cyclic and collective controls are equipped with adjustable friction devices. The collective friction lever is located near the aft end of the pilot’s collective. It is actuated aft to increase friction and forward to release it.

• Page 103: Electrical System

  ROBINSON SECTION 7 MODEL R66 SYSTEMS DESCRIPTION ELECTRICAL SYSTEM (cont’d) ELECTRICAL SYSTEM REVISED: 20 JAN 2015 7-13…

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  ROBINSON SECTION 7 MODEL R66 SYSTEMS DESCRIPTION ELECTRICAL SYSTEM (cont’d) CIRCUIT BREAKER PANEL – TYPICAL REVISED: 20 JAN 2015 7-14…

• Page 105: Lighting System

  ROBINSON SECTION 7 MODEL R66 SYSTEMS DESCRIPTION LIGHTING SYSTEM A red anti-collision light is installed on the tailcone and is controlled by the strobe switch. Position lights are installed on each side of the cabin and in the tail and are controlled by the nav lights switch.

• Page 106: External Power Receptacle

  ROBINSON SECTION 7 MODEL R66 SYSTEMS DESCRIPTION EXTERNAL POWER RECEPTACLE A 28-volt MS3506-compatible receptacle is provided for external power. On earlier aircraft, the receptacle is located inside the right engine cowl door. On later aircraft, the receptacle is located in the cabin outboard of the pilot’s seat.

• Page 107
  ROBINSON SECTION 7 MODEL R66 SYSTEMS DESCRIPTION 1. VERTICAL SPEED INDICATOR 18. PANEL LIGHTS DIMMER 2. OPTIONAL INSTRUMENT 19. NAVIGATION LIGHTS SWITCH 3. AIRSPEED INDICATOR 20. STROBE LIGHT SWITCH 4. N AND ROTOR TACHOMETERS 21. AVIONICS MASTER SWITCH 5. ALTIMETER 22.
• Page 108
  ROBINSON SECTION 7 MODEL R66 SYSTEMS DESCRIPTION 1. VERTICAL SPEED INDICATOR 20. IGNITER SWITCH 2. OPTIONAL INSTRUMENT 21. MGT GAGE 3. AIRSPEED INDICATOR 22. N TACHOMETER 4. N AND ROTOR TACHOMETERS 23. CABIN AIR 5. OPTIONAL INSTRUMENT 24. NAVIGATION LIGHTS SWITCH 6.
• Page 109
  ROBINSON SECTION 7 MODEL R66 SYSTEMS DESCRIPTION 1. AIRSPEED INDICATOR 19. GPS NAVIGATOR 2. N AND ROTOR TACHOMETERS 20. IGNITER SWITCH 3. ALTIMETER 21. ROTOR BRAKE ANNUNCIATOR 4. TORQUEMETER 22. CABIN AIR 5. MULTI-FUNCTION DISPLAY 23. NAVIGATION LIGHTS SWITCH 6. ANNUNCIATOR PANEL 24.

• Page 110: Annunciator Panel

  ROBINSON SECTION 7 MODEL R66 SYSTEMS DESCRIPTION ANNUNCIATOR PANEL The annunciator panel consists of illuminated segments located at the top of the main instrument panel. If a caution or warning condition occurs, the appropriate segment(s) illuminate indicating the nature of the problem.

• Page 111: Dual Tachometer

  ROBINSON SECTION 7 MODEL R66 SYSTEMS DESCRIPTION ANNUNCIATOR PANEL (cont’d) The EMU (Engine Monitoring Unit) segment indicates the EMU status with either steady, flashing, or no illumination. The EMU segment will illuminate only when the test button is depressed. A push-to-test button on the instrument panel should cause all segments on the annunciator panel, as well as the ROTOR BRAKE light, to illuminate when depressed.

• Page 112: Audio System

  OPTIONAL AVIONICS A wide range of optional avionics are available for the R66. It is not practical to provide a description of all equipment in this manual. All aircraft are delivered with the manufacturers’ operating manuals for each piece of installed equipment.

• Page 113: Engine Monitoring Unit

  ROBINSON SECTION 7 MODEL R66 SYSTEMS DESCRIPTION ENGINE MONITORING UNIT The Engine Monitoring Unit (EMU) is a digital recording device mounted behind the right rear seatback panel. The EMU continuously monitors N , engine torque, and MGT. EMU status is indicated by the EMU segment on the annunciator panel.

• Page 114: Cabin Heating And Ventilation

  ROBINSON SECTION 7 MODEL R66 SYSTEMS DESCRIPTION CABIN HEATING AND VENTILATION Fresh air vents are located in each door and in the nose. Door vents are opened and closed using the knob near the vent door hinge. A rotating knob is provided to seal and lock vents closed.

• Page 115: Seats, Belts, And Baggage

  ROBINSON SECTION 7 MODEL R66 SYSTEMS DESCRIPTION SEATS, BELTS, AND BAGGAGE The seats are not adjustable but the pilot-side pedals are adjustable. Each helicopter is supplied with a cushion which can be placed behind the pilot to position him farther forward.

• Page 116: Landing Gear

  ROBINSON SECTION 7 MODEL R66 SYSTEMS DESCRIPTION LANDING GEAR A skid-type landing gear is used. Most hard landings will be absorbed elastically. However, in an extremely hard landing, the struts will hinge up and outward as the crosstube yields (becomes permanently bent) to absorb the impact.

• Page 117: Rotor Brake

  ROBINSON SECTION 7 MODEL R66 SYSTEMS DESCRIPTION ROTOR BRAKE The rotor brake is mounted on the aft end of the main gearbox and is actuated by a cable connected to a pull handle located on the cabin ceiling. To stop the rotor, use the following procedure: 1.

• Page 118: Emergency Locator Transmitter (Optional)

  ROBINSON SECTION 7 MODEL R66 SYSTEMS DESCRIPTION EMERGENCY LOCATOR TRANSMITTER (OPTIONAL) The Emergency Locator Transmitter (ELT) installation consists of a transmitter with internal battery pack, an external antenna, and a remote switch/annunciator. The transmitter is mounted to the upper steel tube frame and is accessible through the spring loaded air intake door in the right-side cowl.

• Page 119: Optional Accessory Mounts

  ROBINSON SECTION 7 MODEL R66 SYSTEMS DESCRIPTION OPTIONAL ACCESSORY MOUNTS Provisions for mounting small, portable items are an option. The provisions use mounting bars located forward of the pilot’s seat, the copilot’s seat, or both. The bars are fitted with one or more clamp assemblies which are compatible with a variety of commercially available accessory mounts.

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  ROBINSON SECTION 8 MODEL R66 HANDLING AND MAINTENANCE SECTION 8 HANDLING AND MAINTENANCE CONTENTS Page General ……..
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• Page 123: General

  SECTION 8 HANDLING AND MAINTENANCE GENERAL This section outlines procedures recommended handling, servicing, and maintaining the R66 helicopter. Every owner should stay in close contact with a Robinson Service Center to obtain the latest service and maintenance information. Owners should also be registered with…

• Page 124: Required Documents

  ROBINSON SECTION 8 MODEL R66 HANDLING AND MAINTENANCE REQUIRED DOCUMENTS The Airworthiness Certificate (FAA form 8100-2) must be displayed in the aircraft at all times. The following additional documents must be carried in the aircraft: 1. Registration Certificate (FAA Form 8050-3) 2.

• Page 125: Required Inspections

  This annual inspection must be signed off by a mechanic with Inspection Authorization (lA). In addition to the annual inspection, the R66 Maintenance Manual requires a complete inspection after every 100 hours of operation.

• Page 128: Ground Handling

  ROBINSON SECTION 8 MODEL R66 HANDLING AND MAINTENANCE GROUND HANDLING For leveling, hoisting, or jacking, see appropriate sections of the maintenance manual. The helicopter may be maneuvered on the ground using ground handling wheels. Ground handling wheels are attached inboard of the landing gear skid tubes forward of the rear struts.

• Page 129: Parking

  ROBINSON SECTION 8 MODEL R66 HANDLING AND MAINTENANCE PARKING 1. Place cyclic control in neutral and apply friction. 2. Put collective full down and apply friction. 3. Align rotor blades approximately fore and aft. Apply rotor brake. Use blade tie-downs in windy conditions.

• Page 130: Engine Oil And Filter

  ROBINSON SECTION 8 MODEL R66 HANDLING AND MAINTENANCE ENGINE OIL AND FILTER Full oil quantity is six quarts and minimum quantity for takeoff is four quarts. Quantity is indicated as follows: Six quart indication is top of knurled section of dipstick.

• Page 131: Gearbox Oil And Filter

  Robinson P/N A257-22 oil. Both gearboxes should be filled to center of sight glass with helicopter sitting level. A filler plug is provided on top of each gearbox. See R66 Maintenance Manual for oil addition instructions. The main gearbox filter is located in the gearbox compartment and is accessible via a left side cowl door.

• Page 132: Hydraulic Fluid

  The engine requires periodic compressor rinses when operated in a corrosive atmosphere. Compressor washes must be completed at specified intervals or when engine performance is not satisfactory. Refer to R66 Maintenance Manual for compressor rinse and compressor wash procedures and recommended intervals.

• Page 133: Fuel

  ROBINSON SECTION 8 MODEL R66 HANDLING AND MAINTENANCE FUEL Approved fuel grades and capacity are given in Section 2. The aircraft should be electrically grounded prior to fueling. Grounding provisions are provided inside the fuel filler cowl door for a grounding clip or an M83413/4-1 style plug.

• Page 134: Battery

  MT990-1 for 120-volt AC power or MT990-2 for 240-volt AC power). Use of this charger will ensure a fully-charged battery and will maximize battery life. For information on battery replacement or capacity checks, see R66 Maintenance Manual. REVISED: 20 JAN 2015 8-12…

• Page 135: Cleaning Helicopter

  ROBINSON SECTION 8 MODEL R66 HANDLING AND MAINTENANCE CLEANING HELICOPTER CLEANING EXTERIOR INCLUDING ROTOR BLADES The helicopter should be washed with mild soap and water. Harsh abrasives, alkaline soaps, or detergents should not be used because they could scratch painted or plastic surfaces or could cause corrosion of metal.

• Page 136
  ROBINSON SECTION 8 MODEL R66 HANDLING AND MAINTENANCE CLEANING HELICOPTER (cont’d) CLEANING WINDSHIELD AND WINDOWS (cont’d) CAUTION Do not use gasoline, other alco- hols, benzene, carbon tetrachlo- ride, thinner, acetone, or window (glass) cleaning sprays. 4. After cleaning plastic surfaces, apply a thin coat of hard polishing wax.
• Page 137
  ROBINSON SECTION 9 MODEL R66 SUPPLEMENTS SECTION 9 SUPPLEMENTS OPTIONAL EQUIPMENT SUPPLEMENTS Information contained in the following supplements applies only when the related equipment is installed. CONTENTS Page Heated Pitot ….. . . 9-1.1 Air Conditioning .
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• Page 143: Air Conditioning

  ROBINSON SECTION 9 MODEL R66 AIR CONDITIONING SUPPLEMENT FAA APPROVED R66 PILOT’S OPERATING HANDBOOK AIR CONDITIONING SUPPLEMENT This supplement must be included in the FAA-approved Pilot’s Operating Handbook when cabin air conditioning is installed. Information contained herein supplements or supersedes the…

• Page 144
  ROBINSON SECTION 9 MODEL R66 AIR CONDITIONING SUPPLEMENT SECTION 1: GENERAL INTRODUCTION This supplement contains the changes and additional data applicable when cabin air conditioning is installed. No change. SECTION 2: LIMITATIONS SECTION 3: EMERGENCY PROCEDURES POWER FAILURE — GENERAL If time permits, switch air conditioning OFF to maximize glide performance.
• Page 145
  ROBINSON SECTION 9 MODEL R66 AIR CONDITIONING SUPPLEMENT SECTION 5: PERFORMANCE IGE HOVER CEILING VS. GROSS WEIGHT With air conditioning on, add 2°C to OAT. OGE HOVER CEILING VS. GROSS WEIGHT With air conditioning on, add 2°C to OAT. CLIMB PERFORMANCE, 2700 LB (1225 KG) GROSS WEIGHT Air conditioning operation may reduce climb rate up to 50 ft/min.
• Page 147
  SECTION 8: HANDLING AND MAINTENANCE Standard automotive-style charge ports are located on the compressor. Normal charge is 2.25 lb (1.02 kg) R-134a refrigerant. Refer to R66 Maintenance Manual for complete system service procedures. CAUTION System must only be serviced by qualified personnel following R66 Maintenance Manual procedures.
• Page 149
  ROBINSON SECTION 9 MODEL R66 POP-OUT FLOATS SUPPLEMENT FAA APPROVED R66 PILOT’S OPERATING HANDBOOK POP-OUT FLOATS SUPPLEMENT This supplement must be included in the FAA-approved Pilot’s Operating Handbook when pop-out floats are installed. Information contained herein supplements or supersedes the…
• Page 150
  ROBINSON SECTION 9 MODEL R66 POP-OUT FLOATS SUPPLEMENT SECTION 1: GENERAL INTRODUCTION This supplement contains the changes and additional data applicable when pop-out floats are installed. Pop-out floats are intended for safety during over-water flights. Intentional water landings for other than training purposes are not recommended.
• Page 151
  ROBINSON SECTION 9 MODEL R66 POP-OUT FLOATS SUPPLEMENT SECTION 2: LIMITATIONS AIRSPEED LIMITS NEVER-EXCEED AIRSPEED (V ) – FLOATS STOWED All Weights 130 KIAS Autorotation 100 KIAS For V reductions with altitude and temperature, see placards on page 9-3.5. ADDITIONAL AIRSPEED LIMITS 65 KIAS maximum above 83% torque.
• Page 152
  ROBINSON SECTION 9 MODEL R66 POP-OUT FLOATS SUPPLEMENT SECTION 2: LIMITATIONS (cont’d) WEIGHT LIMITS Maximum weight for intentional water operations 2200 lb (998 kg) FLIGHT AND MANEUVER LIMITATIONS Maximum altitude decrease with floats inflated is 4000 feet. CAUTION Altitude loss greater than 4000 feet may cause floats to lose shape and rigidity due to atmospheric pressure increase.
• Page 153
  ROBINSON SECTION 9 MODEL R66 POP-OUT FLOATS SUPPLEMENT SECTION 2: LIMITATIONS (cont’d) PLACARDS Adjacent to pilot’s cyclic grip: Near inflation lever: DO NOT INFLATE FLOATS ABOVE 80 KIAS FAA APPROVED: 14 NOV 2014 9-3.5…
• Page 154
  ROBINSON SECTION 9 MODEL R66 POP-OUT FLOATS SUPPLEMENT SECTION 3: EMERGENCY PROCEDURES POWER FAILURE – GENERAL CAUTION Lowering collective rapidly applying excessive forward cyclic while helicopter is moving forward on water can cause floats to submerge and helicopter to nose over.
• Page 155
  ROBINSON SECTION 9 MODEL R66 POP-OUT FLOATS SUPPLEMENT SECTION 3: EMERGENCY PROCEDURES (cont’d) POWER FAILURE BETWEEN 8 FEET AND 500 FEET AGL Autorotation to land: Same as in basic manual. Autorotation to water: 1. Lower collective immediately to maintain rotor RPM.
• Page 156
  ROBINSON SECTION 9 MODEL R66 POP-OUT FLOATS SUPPLEMENT SECTION 3: EMERGENCY PROCEDURES (cont’d) POWER FAILURE BELOW 8 FEET AGL Over land: Same as in basic manual. Over water: 1. Apply right pedal as required to prevent yawing. 2. Inflate floats.

• Page 157: Pop-Out Floats

  ROBINSON SECTION 9 MODEL R66 POP-OUT FLOATS SUPPLEMENT SECTION 4: NORMAL PROCEDURES DAILY OR PREFLIGHT CHECKS 9. Pop-Out Floats Check float and cover condition Check hose and fitting condition Check pressure in pressure cylinder Verify safety pin at pressure cylinder removed…

• Page 158
  ROBINSON SECTION 9 MODEL R66 POP-OUT FLOATS SUPPLEMENT SECTION 4: NORMAL PROCEDURES (cont’d) FLOAT INFLATION (cont’d) CAUTION The pressure cylinder also has provisions for a safety pin at the valve on the cylinder neck. This safety pin is for use during maintenance and cylinder transport only and must be removed at all other times.
• Page 159
  ROBINSON SECTION 9 MODEL R66 POP-OUT FLOATS SUPPLEMENT SECTION 4: NORMAL PROCEDURES (cont’d) OPERATION ON WATER Operation on water is limited to maximum wave heights of 1 foot (0.3 m) (trough to crest). Maximum recommended water taxi speed is 5 knots.
• Page 160
  ROBINSON SECTION 9 MODEL R66 POP-OUT FLOATS SUPPLEMENT SECTION 4: NORMAL PROCEDURES (cont’d) PRACTICE AUTOROTATION – WITH GROUND CONTACT Same as in basic manual. Autorotations with floats stowed should only be performed to a smooth, hard surface to avoid damage to floats.
• Page 161
  ROBINSON SECTION 9 MODEL R66 POP-OUT FLOATS SUPPLEMENT SECTION 5: PERFORMANCE CLIMB PERFORMANCE, 2700 LB (1225 KG) GROSS WEIGHT Stowed or inflated floats may reduce climb rate by as much as 250 feet per minute. CLIMB PERFORMANCE, 2200 LB (998 KG) GROSS WEIGHT Stowed or inflated floats may reduce climb rate by as much as 300 feet per minute.
• Page 162
  ROBINSON SECTION 9 MODEL R66 POP-OUT FLOATS SUPPLEMENT SECTION 6: WEIGHT AND BALANCE WEIGHT AND BALANCE RECORD Basic empty weight and CG with pop-out float landing gear and pressure cylinder installed are included in the Weight and Balance Summary provided with the helicopter. If pressure cylinder is removed, update Weight and Balance Record.
• Page 163
  ROBINSON SECTION 9 MODEL R66 POP-OUT FLOATS SUPPLEMENT SECTION 7: SYSTEMS DESCRIPTION (cont’d) REVISED: 9 OCT 2015 9-3.15…
• Page 164
  ROBINSON SECTION 9 MODEL R66 POP-OUT FLOATS SUPPLEMENT SECTION 7: SYSTEMS DESCRIPTION (cont’d) The pop-out floats are approved for amphibious operation but are not certified for ditching. They are intended for enhanced safety during over-water flights. Intentional water landings for other than training purposes are not recommended.
• Page 165
  FLOAT TUBES AND COVERS Immediately replace any damaged float tube cover to minimize chance of float damage. Inspect float tube condition after each inflation. Refer to R66 Maintenance Manual for periodic inspection, float repacking, and cylinder recharge instructions. ISSUED: 9 OCT 2015…
• Page 166
  THIS PAGE INTENTIONALLY BLANK. ISSUED: 9 OCT 2015 9-3.18…
• Page 167
  ROBINSON SECTION 9 MODEL R66 POLICE VERSION SUPPLEMENT FAA APPROVED R66 PILOT’S OPERATING HANDBOOK POLICE VERSION SUPPLEMENT Pilot’s Operating Handbook when police equipment is installed. Information contained herein supplements or supersedes the basic manual only in those areas listed in this supplement.
• Page 168
  ROBINSON SECTION 9 MODEL R66 POLICE VERSION SUPPLEMENT SECTION 1: GENERAL INTRODUCTION This supplement contains the changes and additional data applicable to the Police Version. The Police Version is equipped with a nose-mounted gyro-stablized infrared camera, a flat screen monitor for viewing camera images, a video recorder, and a belly- mounted searchlight.
• Page 169
  MODEL R66 POLICE VERSION SUPPLEMENT SECTION 2: LIMITATIONS (cont’d) PLACARDS Adjacent to pilot’s cyclic grip: Inside right rear under-seat compartment: NO STOWAGE On camera controller: STOW DURING TAXI, TAKEOFF, AND LANDING Inside main baggage compartment: CAUTION MAXIMUM DISTRIBUTED FLOOR LOAD: 50 LB/FT…
• Page 170
  ROBINSON SECTION 9 MODEL R66 POLICE VERSION SUPPLEMENT SECTION 3: EMERGENCY PROCEDURES MAXIMUM GLIDE DISTANCE CONFIGURATION With police equipment installed, best glide ratio is about 5.1:1 or one nautical mile per 1200 feet AGL. MINIMUM RATE OF DESCENT CONFIGURATION With police equipment installed, minimum rate of descent is about 1400 feet per minute.
• Page 171
  CG limit is not exceeded. SECTION 7: SYSTEMS DESCRIPTION GENERAL The R66 is a four-place helicopter when police equipment is installed. Basic descriptions of police equipment and systems are given below. More detailed information can be found in manufacturer’s documents supplied with individual pieces…
• Page 172
  ROBINSON SECTION 9 MODEL R66 POLICE VERSION SUPPLEMENT SECTION 7: SYSTEMS DESCRIPTION (cont’d) ELECTRICAL SYSTEM An additional circuit breaker panel on the ledge just forward of the pilot’s seat contains all circuit breakers for police equipment. Depending on installed police options, the outboard section of the aft row of circuit breakers may be a 14-volt bus powered by a 28- to 14-volt converter.

• Page 173: Police Version

  ROBINSON SECTION 9 MODEL R66 POLICE VERSION SUPPLEMENT SECTION 7: SYSTEMS DESCRIPTION (cont’d) EARLIER CONFIGURATION (some optional equipment shown) LATER CONFIGURATION (some optional equipment shown) REVISED: 10 AUG 2015 9-4.7…

• Page 174
  ROBINSON SECTION 9 MODEL R66 POLICE VERSION SUPPLEMENT SECTION 7: SYSTEMS DESCRIPTION (cont’d) AUDIO SYSTEM Audio control panel(s) to accommodate police radios and other equipment are installed. The audio system receives power from the audio breaker on the main (left hand) circuit breaker panel.
• Page 175
  ROBINSON SECTION 9 MODEL R66 POLICE VERSION SUPPLEMENT SECTION 7: SYSTEMS DESCRIPTION (cont’d) INFRARED CAMERA SYSTEM The infrared camera system consists of a gyro-stabilized, gimbal-mounted infrared/video camera in the chin and a power junction box in the main baggage compartment behind the interior wall.
• Page 176
  ROBINSON SECTION 9 MODEL R66 POLICE VERSION SUPPLEMENT SECTION 7: SYSTEMS DESCRIPTION (cont’d) SEARCHLIGHT The searchlight is installed on a motorized gimbal under the belly. The searchlight power junction box is located in the right rear under-seat compartment. The searchlight is steerable in azimuth and elevation and is operated from the left front seat via a remote control.
• Page 177
  ROBINSON SECTION 9 MODEL R66 POLICE VERSION SUPPLEMENT SECTION 7: SYSTEMS DESCRIPTION (cont’d) INTERIOR LIGHT An additional observer-side interior light is operated via a momentary foot switch on the left-hand forward floor. Power is supplied to the interior light via the “GAGES”…
• Page 178
  ROBINSON SECTION 9 MODEL R66 POLICE VERSION SUPPLEMENT THIS PAGE INTENTIONALLY BLANK REVISED: 10 AUG 2015 9-4.12…
• Page 179
  ROBINSON SECTION 9 MODEL R66 ADS-B EQUIPMENT SUPPLEMENT FAA APPROVED R66 PILOT’S OPERATING HANDBOOK ADS-B EQUIPMENT SUPPLEMENT This supplement must be included in the FAA-approved Pilot’s Operating Handbook when ADS-B equipment is installed. The information contained herein supplements or supersedes…
• Page 180
  The supplemental information allows optimization of flight plan routes and aircraft spacing. ADS-B Out equipment may be required for operation in certain airspace. The R66 ADS-B Out installation has been shown to meet the requirements of 14 CFR § 91.227.
• Page 181
  Refer to receiver and display manufactures’ documentation for operation of ADS-B In equipment. The R66 may be equipped with only ADS-B Out or with both ADS-B Out and ADS-B In. REVISED: 19 OCT 2016 9-5.3…
• Page 182
  ADS-B OUT The R66 ADS-B Out system is a single point of entry system. Mode 3/A codes, IDENT commands, and emergency codes are set on the transponder and are automatically incorporated in ADS-B Out broadcasts.

• Page 183: Ads-B Equipment

  ROBINSON SECTION 9 MODEL R66 ADS-B EQUIPMENT SUPPLEMENT SECTION 4: NORMAL PROCEDURES (cont’d) ADS-B SYSTEM OPERATION (cont’d) ADS-B IN The ADS-B In receiver is either mounted underneath the left, front seat or is built in to the transponder. The receiver is powered by the Transponder/ADS-B circuit breaker.

• Page 184
  ROBINSON SECTION 9 MODEL R66 ADS-B EQUIPMENT SUPPLEMENT SECTION 6: WEIGHT AND BALANCE No change. SECTION 7: SYSTEM DESCRIPTION ADS-B SYSTEM The ADS-B Out system consists of either a GPS receiver connected to the transponder or a transponder with built-in GPS. The transponder broadcasts the aircraft’s position, identification, and certain other parameters to air traffic control.
• Page 185
  ROBINSON SECTION 9 MODEL R66 AUTOPILOT SUPPLEMENT FAA APPROVED R66 PILOT’S OPERATING HANDBOOK AUTOPILOT SUPPLEMENT This supplement must be included in the FAA-approved Pilot’s Operating Handbook when the autopilot is installed. The information contained herein supplements or supersedes s i l For limitations, procedures, and performance information not contained in this supplement, consult the basic Pilot’s…
• Page 186
  ROBINSON SECTION 9 MODEL R66 AUTOPILOT SUPPLEMENT SECTION 1: GENERAL INTRODUCTION This supplement contains the changes and additional data applicable when the autopilot is installed. CAUTION The autopilot is intended to enhance safety by reducing pilot workload. It is not a substitute…
• Page 187
  ROBINSON SECTION 9 MODEL R66 AUTOPILOT SUPPLEMENT SECTION 3: EMERGENCY PROCEDURES AUTOPILOT DISENGAGEMENT OR FAILURE The autopilot is designed to automatically disengage if the system detects a fault. Disengagement is indicated by four beeps in the headset. If the autopilot does not…
• Page 188
  ROBINSON SECTION 9 MODEL R66 AUTOPILOT SUPPLEMENT SECTION 4: NORMAL PROCEDURES STARTING ENGINE AND RUN-UP After “Hydraulic system”, add: Autopilot ……. . Check…

• Page 189: Autopilot

  ROBINSON SECTION 9 MODEL R66 AUTOPILOT SUPPLEMENT SECTION 6: WEIGHT AND BALANCE No change. SECTION 7: SYSTEMS DESCRIPTION AUTOPILOT The autopilot system consists of two electric servomotors, a flight control computer, an autopilot control panel, and control buttons on the cyclic grip. One servomotor controls pitch and is installed in the control tunnel forward of the cyclic stick.

• Page 190
  ROBINSON SECTION 9 MODEL R66 AUTOPILOT SUPPLEMENT SECTION 7: SYSTEMS DESCRIPTION (cont’d) AUTOPILOT (cont’d) Heading Mode (HDG) – maintains the heading selected by the heading bug on the directional gyro or Horizontal Situation Indicator (HSI) display. Aircraft can be steered using the heading bug.
• Page 191
  ROBINSON SECTION 9 MODEL R66 AUTOPILOT SUPPLEMENT SECTION 7: SYSTEMS DESCRIPTION (cont’d) AUTOPILOT (cont’d) Vertical Navigation Mode (VRT) – tracks an ILS glideslope or GPS approach vertical guidance. VRT (annunciator turns white when armed) prior to intercepting the glidepath. VRT annunciator will turn green at glidepath intercept.
• Page 192
  ROBINSON SECTION 9 MODEL R66 AUTOPILOT SUPPLEMENT SECTION 7: SYSTEMS DESCRIPTION (cont’d) AUTOPILOT (cont’d) The autopilot SAS mode is engaged either by pressing the SAS button on the control panel or by pressing the TRIM button on the cyclic for more than 1.25 seconds.
• Page 193
  ROBINSON SECTION 9 MODEL R66 AUTOPILOT SUPPLEMENT SECTION 7: SYSTEMS DESCRIPTION (cont’d) AUTOPILOT (cont’d) NOTE The system also automatically reverts to SAS mode at airspeeds below 44 KIAS or above 140 KIAS, accompanied by a single beep. The TRIM button is used to re-set the target attitude (to re-trim) while in SAS mode.
• Page 194
  ROBINSON SECTION 9 MODEL R66 AUTOPILOT SUPPLEMENT SECTION 8: HANDLING AND MAINTENANCE No change. SECTION 10: SAFETY TIPS The autopilot is intended to reduce pilot workload and enhance safety. It is important that pilots do not misuse this capability and allow their attention to be diverted from monitoring the helicopter attitude and looking for traffic and other obstacles.
• Page 195
  ROBINSON SECTION 9 MODEL R66 AUXILIARY FUEL SUPPLEMENT FAA APPROVED R66 PILOT’S OPERATING HANDBOOK AUXILIARY FUEL SUPPLEMENT This supplement must be included in the FAA-approved Pilot’s Operating Handbook when the auxiliary fuel system is installed. Information contained herein supplements or supersedes the…
• Page 196
  ROBINSON SECTION 9 MODEL R66 AUXILIARY FUEL SUPPLEMENT SECTION 1: GENERAL INTRODUCTION This supplement contains changes and additional data applicable when the auxiliary fuel system is installed. CAUTION When tank is full, auxiliary fuel system weighs over 320 lb (145 kg). Do not exceed helicopter weight limitations.
• Page 197
  ROBINSON SECTION 9 MODEL R66 AUXILIARY FUEL SUPPLEMENT SECTION 2: LIMITATIONS (cont’d) PLACARDS Near auxiliary fuel tank filler cap: FUEL GRADE JET A, JET A1, JET B OR AS SPECIFIED IN PILOT’S HANDBOOK ANTI-ICE ADDITIVE MAY BE REQUIRED SEE PILOT’S HANDBOOK…
• Page 198
  ROBINSON SECTION 9 MODEL R66 AUXILIARY FUEL SUPPLEMENT SECTION 4: NORMAL PROCEDURES DAILY OR PREFLIGHT CHECKS Add to item 1, Pilot’s Station: Verify aux fuel pump is off. While battery switch is ON, press QUANTITY button to check aux fuel quantity and verify NO FLOW light illuminates.

• Page 199: Auxiliary Fuel

  ROBINSON SECTION 9 MODEL R66 AUXILIARY FUEL SUPPLEMENT SECTION 6: WEIGHT AND BALANCE WEIGHT AND BALANCE RECORD Basic empty weight and CG with auxiliary fuel system installed is included in the Weight and Balance Summary provided with the helicopter. LOADING INSTRUCTIONS The following table may be used when calculating loaded helicopter weight and CG position.

• Page 200
  ROBINSON SECTION 9 MODEL R66 AUXILIARY FUEL SUPPLEMENT SECTION 7: SYSTEMS DESCRIPTION The auxiliary fuel system consists of a removable fuel tank located in the forward section of the baggage compartment, hoses connecting the auxiliary tank to the main fuel tank, and a small control panel on the instrument console.
• Page 201
  A small container which may be clipped to the outboard side of the tank is provided for stowing installation hardware. Refer to the R66 Maintenance Manual for removal and installation procedures. SECTION 8: HANDLING AND MAINTENANCE No change.
• Page 202
  ROBINSON SECTION 9 MODEL R66 AUXILIARY FUEL SUPPLEMENT INTENTIONALLY BLANK ISSUED: 17 FEB 2016 9-7.8…
• Page 203
  ROBINSON SECTION 10 MODEL R66 SAFETY TIPS SECTION 10 SAFETY TIPS AND NOTICES CONTENTS Page General ……
• Page 204
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• Page 205
  ROBINSON SECTION 10 MODEL R66 SAFETY TIPS SECTION 10 SAFETY TIPS AND NOTICES GENERAL This section provides suggestions for the pilot to operate the helicopter more safely. SAFETY TIPS 1. Never push the cyclic forward to descend or to terminate a pull-up (as you would in an airplane).
• Page 206
  ROBINSON SECTION 10 MODEL R66 SAFETY TIPS SAFETY TIPS (cont’d) 8. A change in the sound or vibration of the helicopter may indicate an impending failure of a critical component. If unusual sound or vibration begins in flight, make a safe landing and have aircraft thoroughly inspected before flight is resumed.
• Page 207
  ROBINSON SECTION 10 MODEL R66 SAFETY TIPS SAFETY TIPS (cont’d) 14. Although the engine is equipped with an RPM governor, RPM control will not be exact for large or rapid power changes. If entering autorotation with a rapid collective input, close throttle before lowering collective to avoid an overspeed.
• Page 208
  ROBINSON SECTION 10 MODEL R66 SAFETY TIPS PILOT KNOWLEDGE AND PROFICIENCY Pilot knowledge and proficiency is essential to safe helicopter operation. In addition to being appropriately licensed and complying with regulatory recurrency requirements such as 14 CFR §61.56 and §61.57, all pilots should seek to keep their knowledge base current and proficiency at a high level.
• Page 209
  ROBINSON SECTION 10 MODEL R66 SAFETY TIPS PILOT KNOWLEDGE AND PROFICIENCY (cont’d) • Flight planning (Ref SNs 15, 26, and 43) Thorough preflight inspection  Fuel  Weather  Performance (hot/high/loading)  • Distractions (Ref SNs 16, 34, 36, and 41) Failure to keep eyes outside scanning for wires, other …
• Page 210
  ROBINSON SECTION 10 MODEL R66 SAFETY TIPS SAFETY NOTICES The following Safety Notices have been issued by Robinson Helicopter Company as a result of various accidents and incidents. Studying the mistakes made by other pilots will help you avoid making the same errors. Safety Notices are available on the RHC website: www.robinsonheli.com.
• Page 219
  Safety Notice SN-22 Issued: July 1986 Revised: June 1994; October 2016 VORTEX RING STATE CATCHES MANY PILOTS BY SURPRISE A vertical or steep approach, particularly downwind, can cause the rotor to fly into its own downwash. This condition is known as vortex ring state due to the vortices that develop as the downwash is recirculated through the rotor disk.
• Page 220
  Safety Notice SN-23 Issued: Jul 86 Rev: Jun 94 WALKING INTO TAIL ROTOR CAN BE FATAL Non-pilot passengers have been killed by inadvertently walking into a rotating tail rotor. Every possible precaution must be taken by the pilot to prevent this tragic type of accident. The following rules should always be observed: 1) Never allow anyone to approach the helicopter unless they are escorted or have been properly instructed.
• Page 227
  Safety Notice SN-30 Issued: Jun 94 Rev: Apr 2009 LOOSE OBJECTS CAN BE FATAL Fatal accidents have occurred due to loose objects flying out of the cabin and striking the tail rotor. Any object striking the tail rotor can cause failure of a tail rotor blade. Loss of or damage to a tail rotor blade may cause a severe out-of-balance condition which can separate the tail rotor gearbox or entire tail assembly from the tailcone, resulting in a catastrophic accident.
• Page 228
  Safety Notice SN-32 Issued: Mar 1998 Revised: May 2013; Feb 2016 HIGH WINDS OR TURBULENCE Flying in high winds or turbulence should be avoided. A pilot’s improper application of control inputs in response to turbulence can increase the likelihood of a mast bumping accident. If turbulence is encountered, the following procedures are recommended: 1.
• Page 229
  Safety Notice SN-33 Issued: March 1998 Revised: July 2013 DRIVE BELT SLACK R22 and R44 drive belts must have the proper slack prior to engine start. Belts which are too loose may jump out of their sheave grooves during engine start while clutch is engaging. 1.
• Page 230
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• Page 231
  Safety Notice SN-34 Issued: Mar 99 Rev: Apr 2009 AERIAL SURVEY AND PHOTO FLIGHTS – VERY HIGH RISK There is a misconception that aerial survey and photo flights can be flown safely by low time pilots. Not true. There have been numerous fatal accidents during aerial survey and photo flights, including several involving Robinson helicopters.
• Page 232
  HF/Short Wave band have the highest likelihood of causing EMI. A list of such towers for the United States can be found on the Robinson Helicopter Company website at www.robinsonheli.com/sn35antennas. The list was compiled from a Federal Communications Commission (FCC) database of HF/ Shortwave stations.
• Page 236
  Safety Notice SN-40 Issued: July 2006 Rev: May 2013 POST-CRASH FIRES There have been a number of cases where helicopter or light plane occupants were severely burned by fire following an accident. Fire- retardant Nomex flight apparel reduces the likelihood of severe burns. Military, law-enforcement, medical, and other organizations often require Nomex apparel for every flight.
• Page 237
  Safety Notice SN-43 Issued: January 2015 USE EXTRA CAUTION DURING POST-MAINTENANCE FLIGHTS A number of fatal accidents have occurred during flights immediately following maintenance. In several cases, the cause was incorrect or incomplete reassembly of the helicopter, and the error would have been detectable during a careful preflight inspection.
• Page 238
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