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Papillon Helicopters Interview > R44 Raven II POH Study > Flashcards

R44 Raven II POH Study Flashcards

1
Q

Cautions and Notes

A

Caution: Equipment damage, Injury, or death may occur if procedure or instruction is not followed.

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2
Q

MR blade diameter

A

33 feet

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3
Q

Blade Chord

A

10.0” inboard
10.6” outboard

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4
Q

Blade twist

A

-6 degrees

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5
Q

Tip speed at 102% RPM

A

705 FPS

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6
Q

TR Diameter

A

4’ 10”

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7
Q

TR Blade Chord

A

5.1” (constant)

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8
Q

TR precone angle

A

1 degree

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9
Q

TR tip speed at 102% RPM

A

614 FPS

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10
Q

Drive System Ratios

A

Engine to upper sheave: 0.778:1 speed reducing ratio.

MR gearbox: 11:57 speed reducing ratio.

TR gearbox: 31:27 speed increasing ratio.

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11
Q

Powerplant model and characteristics

A

Lycoming IO-540-AE1A5

Six cylinder, Horizontally opposed, Direct drive, Air cooled, Fuel injected, Normally aspirated.

Direct drive squirrel cage blower for cooling.

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12
Q

Engine displacement

A

541.5 cubic inches

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13
Q

MCP and TOP

A

MCP: 205 BHP at 102%
5 min TOP: 245 BHP at 102%

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14
Q

Vne: Never Exceed Speeds

A

2200 lbs TOGW and below: 130 KIAS.
Over 2200 lbs TOGW: 120 KIAS.
Autorotation: 100 KIAS.
Any doors off: 100 KIAS.
Power above MCP: 100 KIAS.

Additional reductions with altitude and temperature apply on chart.

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15
Q

Rotor Speed Limits

A

Power on: 101%-102%
Power off: 90%-108%

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16
Q

Max Continuous and transient engine speeds

A

Max continuous: 102%
Max transient: 105%

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17
Q

CHT Max Temperature

A

500 deg F

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18
Q

Oil Max Temperature

A

245 deg F

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19
Q

Oil pressure

A

Min during idle: 25 psi.
Min during flight: 55 psi.
Max during flight: 95 psi.
Max during start and warmup: 115 psi.

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20
Q

Oil quantity

A

Minimum 7 qt for takeoff

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21
Q

Weight Limits

A

Max gross: 2500 lbs.
Min gross: 1600 lbs.
Max per seat: 300 lbs.
Baggage: 50 lbs.

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22
Q

Solo pilot weight with doors on

A

150 lbs to ensure CG within limits

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23
Q

Flight and Maneuver Limitations

A
  • Aerobatic flight prohibited.
  • Low G pushovers prohibited.
  • No flight with governor selected off except for EP or EP training.
  • Flight in known icing conditions prohibited.
  • Max operating DA 14000’.
  • Max operating altitude 9000’ AGL to allow for 5 min descent in case of fire.
  • Governor, OAT, Alternator, Low RRPM warning system, Hydraulics must be operable for dispatch.
  • Min crew one pilot in front right seat.
  • Forward left seat belt must be buckled.
  • Operations up to 100 KIAS with doors removed. Secure loose items.
  • Headset must be worn by each pilot.
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24
Q

Night flight requirements in POH

A

Anticollision, nav, instrument, and landing lights operable.

Maintain visual reference to surface with ground lighting or adequate celestial illumination.

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25
Q

Approved Fuel Grades

A

100 (green)
100LL (blue)
100VLL (blue)

(more fuel grades in POH)

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26
Q

Fuel Capacity

A

Main: 29.5 gal useable, 30.5 gal total.
Aux: 17 gal useable, 17.2 gal total.

27
Q

ASI Markings

A

Green arc: 0-110 KIAS
Red cross hatch: 100 KIAS
Red line: 130 KIAS

“do not exceed 110 KIAS except in smooth air”

28
Q

Oil temp gauge markings

A

Green arc: 75-245 deg F
Red line: 245 deg F

29
Q

CHT Markings

A

Green arc: 200-500 deg F
Red line: 500 deg F

30
Q

MAP add for max TOP

A

Add 2.8 in Hg for 5 min TOP

31
Q

Vne chart modifications

A

Over 2200 lbs gross weight: subtract 10 KIAS.

For autorotation: subtract 30 KIAS.

32
Q

Land Immediately

A

Land on the nearest clear area where a safe normal landing can be performed. Be prepared to enter autorotation if necessary.

33
Q

Land as soon as practical

A

Landing site is at pilot’s discretion based on the nature of the problem and available landing areas. Flight beyond the nearest airport is not recommended.

34
Q

Power Failure Above 500’ AGL

A
  • Lower collective to maintain rotor RPM.
  • Establish a glide at ~70 KIAS.
  • Maintain rotor RPM between 97%and 108%.
  • Select landing spot and maneuver into the wind.
  • A restart may be attempted at pilot’s discretion.
  • If no restart, turn off fuel valve and unnecessary switches.
  • 40’ AGL begin cyclic flare.
  • 8’ AGL level aircraft with cyclic and cushion by raising collective.
35
Q

Power Failure between 8’ AGL and 500’ AGL

A
  • Lower collective to maintain rotor RPM.
  • Adjust collective to maintain 97%-108% rotor RPM.
  • Maintain airspeed until ground is approached.
  • Begin cyclic flare.
  • 8’ AGL level with cyclic and cushion landing by raising collective.
36
Q

Power Failure Below 8’ AGL

A
  • Apply right pedal as necessary.
  • Allow aircraft to settle.
  • Raise collective before touchdown to cushion landing.
37
Q

Max Glide Configuration

A

90 KIAS and 90% RRPM
Up to 4.7:1 glide ratio

(Increase rotor RPM to min 97% below 500’)

38
Q

Min Rate of Descent Configuration

A

55 KIAS and 90% RRPM
4:1 glide ratio

(Increase rotor RPM to min 97% below 500’)

39
Q

Air Restart Procedure

A

Not recommended below 2000’ AGL or if engine malfunction is suspected

  • Mixture: Off
  • Throttle: Closed
  • Starter: Engage
  • Slowly push mixture in while cranking.
40
Q

Emergency Water Landing - Power Off

A
  • Same procedure for power failure over land.
  • Unlatch doors if time permits.
  • Apply lateral cyclic after water contact.
  • Release seatbelt and exit helicopter after rotors stop
41
Q

Emergency Water Landing - Power On

A
  • Descend to hover above water.
  • Unlatch doors.
  • Passengers exit aircraft.
  • Fly safe distance from passengers.
  • BATT and ALT off.
  • Perform hover auto into water.
  • Apply lateral cyclic after water contact.
  • Release seatbelt and clear aircraft
42
Q

Loss of Tail Rotor Thrust in Forward Flight

A
  • Immediately enter autorotation
  • Maintain 70+ KIAS.
  • Controlled flight may be possible at low power settings if necessary to get to suitable landing site.
  • Roll throttle into overtravel before the flare.
43
Q

Loss of Tail Rotor Thrust in a Hover

A
  • Immediately roll throttle into overtravel spring and allow aircraft to settle.
  • Raise collective just before touchdown to cushion the landing.
44
Q

Engine Fire During Start on Ground

A
  • Continue cranking to suck flames into engine.
  • If engine starts, run at 60%-70% for a short time.
  • Mixture: OFF
  • Fuel valve: OFF
  • Battery switch: OFF
  • Apply rotor brake if time permits.
  • Exit helicopter.
45
Q

Engine Fire in Flight

A
  • Enter autorotation.
  • Cabin head off (if time permits)
  • Open fresh air vents (if time permits)
  • If engine is running, perform normal landing then fuel mixture OFF and fuel valve OFF.
  • If engine stops, fuel valve OFF and complete autorotation landing.
  • Battery switch: OFF
  • Apply rotor brake (if time permits)
  • Exit helicopter
46
Q

Electrical Fire in Flight

A
  • Turn off battery and alternator switches.
  • Open air vents.
  • Land immediately.
  • Mixture and fuel valve OFF
  • Apply rotor brake (if time permits)
  • Exit helicopter
47
Q

Tachometer Failure

A

If 1 fails, use remaining tach to monitor RPM.
If both fail, allow governor to control RPM and land as soon as practical.

48
Q

Hydraulic Systems Failure

A
  • HYD switch: Verify ON.
  • If hydraulics not restored, switch HYD OFF.
  • Adjust airspeed and flight condition for comfortable control.
  • Land as soon as practical.
49
Q

Governor Failure

A
  • Grip throttle firmly to override governor.
  • Switch governor off.
  • Complete flight using manual throttle control.
50
Q

OIL Warning Light

A

Indicates loss of engine power or oil pressure. If power or pressure loss is confirmed, land immediately.

51
Q

ENG FIRE Warning Light

A

Indicates possible fire in engine compartment

52
Q

MR Temp Warning Light

A

Indicates excessive temperature of MR gearbox.
- Land as soon as practical.
- If light is accompanied by any other indication of a problem, land immediately.

53
Q

MR Chip Warning Light

A

Indicates metallic particles in MR gearbox.
- Land as soon as practical.
- If light is accompanied by any other indication of a problem, land immediately.

(Break in fuzz will sometimes activate chip lights)

54
Q

TR Chip Warning Light

A

Indicates metallic particles in TR gearbox.
- Land as soon as practical.
- If light is accompanied by any other indication of a problem, land immediately.

(Break in fuzz will sometimes activate chip lights)

55
Q

Low Fuel Light

A

3 gal useable fuel remaining/10 minutes of flight time.

56
Q

AUX FUEL PUMP Warning Light

A

Indicates low auxiliary fuel pump pressure.
- Land as soon as practical.
- If accompanied by engine roughness, land immediately.

57
Q

FUEL FILTER Warning Light

A

Indicates fuel filter contamination.
- Land as soon as practical.
- If accompanied by AUX FUEL light or engine roughness, land immediately.

58
Q

CLUTCH Light

A

Indicates clutch actuator circuit is on.
- If light flickers or does not go out within 10 seconds, pull clutch CB and land as soon as practical.
- If other indications of drivetrain failure, land immediately.

59
Q

ALT Warning Light

A

Indicates low voltage and possible alternator failure.
- Turn off all nonessential electrical equipment.
- Turn ALT off, then back on after 1 second.
- If light stays on, land as soon as practical.

60
Q

STARTER ON Light

A

Indicates starter motor is engaged. If light does not go out, pull mixture and turn off battery switch.

61
Q

CARBON MONOXIDE Light

A

Indicates elevated levels of CO in cabin.
- Turn off heat.
- Open vents.
- If in hover, land or transition to forward flight.
- If any symptoms of CO poisoning, land immediately.

62
Q

LOW RPM light and horn

A

Lower collective and roll throttle on. Aft cyclic in forward flight.

63
Q

Recommended Airspeeds

A

Takeoff and climb: 60 KIAS
Max rate of climb: 55 KIAS
Max cruise: 110 KIAS (only exceed with caution in smooth air)
Significant turbulence: 60-70 KIAS
Landing approach: 60 KIAS
Autorotation: 60-70 KIAS

64
Q

Hover Controllability

A

17 KT wind from any direction at 9800’ DA

Papillon Helicopters Interview (5 decks)

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