Term
| 1.) 13.1 EMERGENCY SHUTDOWN |
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Definition
*1. Twist grip — Close.
*2. Fuel valve — OFF.
*3. BAT switch — OFF.
© *4. STBY ATT IND switch — OFF.
© *5. Rotor brake — Engage immediately.
*6. Helicopter — Egress and use the fire bottle as required to extinguish the fire or get clear of the aircraft. |
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Term
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Definition
Procedures:
*1. Twist grip — Close.
*2. Starter — Secure after TOT stabilizes at 400 °C or below. |
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Term
| 3.) 13.3 POST SHUTDOWN FIRE (INTERNAL) |
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Definition
.Procedures:
*1. Starter — Engage.
*2. Fuel valve — OFF.
*3. Igniter circuit breaker — Pull.
*4. Starter — Secure after fire is extinguished. |
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Term
| 14.1.1 Engine Failure In Flight |
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Definition
Procedures:
*1. Autorotate.
*2. Shoulder harness — Lock.
If time and altitude permit:
*3. Mayday — Transmit.
*4. Transponder — Emergency. |
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Term
| 5.) 14.1.2 Engine Failure at High Airspeed and Low Altitude |
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Definition
Procedures:
*1. Cyclic — Immediately apply aft.
*2. Autorotate. |
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Term
| 6.) 14.3 COMPRESSOR STALL |
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Definition
Procedures:
*1. Collective — Reduce.
*2. ENG Anti--ice switch — ON.
*3. Cabin Heat Valve — ON.
If compressor stall persists and the aircraft is uncontrollable:
*4. Autorotate.
*5. Twist grip — Flight Idle.
If compressor stall clears or the aircraft is controllable:
*6. Land as soon as possible. |
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Term
| 7.) 14.4 UNDERSPEEDING Nf/Nr |
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Definition
Procedures:
*1. Collective — Lower as required to maintain a minimum of 90% Nr.
*2. Twist grip — Full open.
*3. GOV RPM — Full increase.
If underspeed persists:
*4. Check power available with Nr in limits.
If power is not sufficient:
*5. Autorotate.
If sufficient power is available:
*6. Land as soon as possible. |
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Term
| 8.) 14.5 POWER REQUIRED EXCEEDS POWER AVAILABLE |
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Definition
Procedures:
*1. Collective — Lower as required to maintain a minimum of 90% Nr.
*2. Twist grip — Full open.
*3. Angle of bank — Level wings.
*4. Airspeed — Adjust to 50 KIAS (minimum power required airspeed).
*5. Jettison — As required.
If impact is imminent:
*6. Level the aircraft to conform to terrain.
*7. Cushion the landing. |
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Term
| 9.) 14.6 DYNAMIC ROLLOVER |
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Definition
Procedures:
*1. Collective — Reduce to stop the roll.
*2. Cyclic — Neutral. |
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Term
| 10.) 14.7 ENGINE OVERSPEED (Nf) ROTOR RPM (Nr) |
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Definition
Procedures:
*1. Twist grip — Reduce (to maintain Nf/Nr in operating range).
*2. Collective/twist grip — Coordinate.
*3. Land as soon as possible |
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Term
| 11.) 14.8 FUEL CONTROL FAILURE |
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Definition
Procedures:
*1. Collective — Adjust as required to maintain Nr in operating range.
*2. Twist grip — Adjust (to maintain Nf/Ng in operating range).
*3. Land as soon as possible. |
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Term
| 12.) 14.9 ENGINE RESTART IN FLIGHT |
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Definition
Procedures:
*1. Autorotate.
*2. Starter — Engage
*3. Twist grip — Check, Full open.
If light−off does not occur:
*4. Twist grip — Close.
If light−off occurs:
*5. Twist grip — Full open.
*6. Land as soon as possible. |
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Term
| 13.) 14.10 MAIN DRIVE SHAFT FAILURE |
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Definition
Procedures:
*1. Autorotate.
*2. Twist grip — Adjust, if necessary, to maintain Nf in operating range.
The engine must continue to operate to provide tail rotor drive. Tail rotor
effectiveness may be lost if Nf is allowed to go below 80 percent.
When on deck:
*3. Emergency shutdown — Complete. |
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Term
| 14.) 14.11 SPRAG CLUTCH SLIPPAGE |
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Definition
Procedures:
*1. Autorotate.
*2. Twist grip — FLT IDLE.
If time and altitude permit:
*3. Twist grip — Smoothly rotate to full open.
If Nf/Nr are married:
*4. Collective — Increase.
If sprag clutch continues to slip:
*5. Autorotate.
*6. Twist grip — Closed.
If the sprag clutch reengages:
*7. Land as soon as possible. |
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Term
| 15.) 14.12 SPRAG CLUTCH SEIZURE |
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Definition
Procedures:
*1. Ensure twist grip is full open.
*2. Land as soon as possible |
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Term
| 16.) 14.13 IMMINENT TRANSMISSION FAILURE |
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Definition
Procedures:
*1. Land immediately.
*2. Lock harness. |
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Term
| 17.) 14.14 ENGINE FIRE IN FLIGHT |
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Definition
Procedures:
*1. Confirm existence of fire.
If fire exists:
*2. Land immediately.
*3. Emergency shutdown — Complete after landing.
If fire not confirmed:
*4. Land as soon as possible. |
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Term
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Definition
Procedures:
*1. Land immediately.
*2. Emergency shutdown — Complete. |
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Term
| 19.) 14.16 FUEL BOOST PUMP FAILURE |
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Definition
Procedures:
*1. Descent — Initiate if above 6,000 feet PA and flight permits.
*2. Fuel pressure and quantity — Note.
If both fuel boost pumps have failed (fuel pressure at zero):
*3. Land as soon as possible.
If only one boost pump has failed (fuel pressure 4 to 30 psi):
4. Land as soon as practical. |
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Term
| 20.) 14.17 SUSPECTED FUEL LEAKAGE |
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Definition
Procedures:
*1. Land as soon as possible.
If time and altitude permit:
*2. Transmit position and intentions.
*3. Unnecessary electrical equipment — Secure.
When on deck:
4. Shutdown — Completed.
5. Helicopter — Exit. |
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Term
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Definition
Procedures:
*1. Establish positive G load and/or balanced flight (as required).
*2. Land immediately. |
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Term
| 22.) 14.23.1 Electrical Fire — Unknown Origin |
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Definition
Procedures:
*1. BAT switch — OFF.
*2. STANDBY GEN switch — OFF.
*3. If in VMC, STBY ATT IND switch — OFF.
*4. MAIN GEN switch — OFF.
If fire persists:
*5. Land immediately.
If fire extinguishes:
*6. Land as soon as possible.
7. All circuit breakers — Pull.
8. Check BAT RELAY circuit breaker — In.
9. BAT switch — ON.
10. MAIN GEN FIELD and MAIN GEN RESET circuit breakers — In.
11. MAIN GEN switch — Reset, then ON.
12. STBY GEN RELAY circuit breaker — In.
13. STBY GEN switch — ON.
14. STBY ATT IND switch — ON.
15. Circuit breakers for essential equipment — In one at a time in order of importance |
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Term
| 23.) 14.23.2 Electrical Fire — Known Origin |
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Definition
Procedures:
*1. Affected equipment — Secure.
*2. Affected circuit breakers — Pull.
If fire persists:
*3. Electrical Fire — Unknown Origin procedure — Execute.
If fire extinguishes:
4. Land as soon as practical. |
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Term
| 24.) 14.24 SMOKE AND FUME ELIMINATION |
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Definition
Procedures:
*1. ECS and DEFOG blower — OFF.
*2. Vents/windows — Open.
*3. Slip or skid aircraft to eliminate smoke and fumes.
*4. Land as soon as possible. |
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Term
| 25.) 14.25.2 Hydraulic Power Cylinder Malfunction |
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Definition
Procedures:
*1. HYDRAULIC BOOST switch — OFF.
Hydraulic system will not secure if HYD BOOST circuit breaker is out.
*2. Helicopter — Regain control.
*3. Airspeed — Adjust (to obtain most comfortable control movement level).
*4. Land as soon as possible. |
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Term
| 26.) 14.26 HIGH−FREQUENCY VIBRATION |
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Definition
Procedures:
*1. ECS — OFF.
If vibrations continue:
*2. Land as soon as possible.
If vibrations cease:
3. Land as soon as practical |
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Term
| 27.) 14.28 UNCOMMANDED RIGHT ROLL DURING FLIGHT BELOW 1G |
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Definition
Procedures:
*1. Cyclic — Immediately apply aft to establish positive g load on rotor, then center laterally.
When main rotor returns to a positive thrust condition:
*2. Controls — As required to regain balanced flight.
If mast bumping has occurred:
*3. Land immediately. |
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Term
| 28.) 14.29 ROTOR BLADE STALL |
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Definition
Procedures:
Recovery may be accomplished by one or a combination of the following:
*1. Severity of maneuver — Decrease.
*2. Collective pitch — Decrease.
*3. Airspeed — Decrease.
*4. Altitude — Descend, if flight permits
*5. Rotor rpm — Increase. |
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Term
| 29.) 14.30 VORTEX RING STATE |
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Definition
Procedures:
*1. Collective — Decrease.
*2. Cyclic — Forward to gain airspeed.
If impact is imminent:
*3. Level skids to conform to terrain. |
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Term
| 30.) 14.31.1 Complete Loss of Tail Rotor Thrust |
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Definition
Procedures:
In a hover:
*1. Twist grip — Flight idle.
*2. Cyclic — Eliminate drift.
*3. Collective — Increase to cushion landing.
Transition to forward flight or hover/air taxi:
*1. Twist grip — Flight idle.
*2. Cyclic — Eliminate sideward drift.
*3. Collective — Increase to cushion landing.
At altitude:
*4. Autorotate.
If yaw is not controllable:
*5. Twist grip — Flight idle immediately.
If yaw is controllable:
*6. Continue powered flight and set up to a suitable landing area at or above minimum rate of descent
autorotational airspeed.
*7. Autorotate.
*8. Twist grip — Rotate to flight idle prior to touchdown. |
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Term
| 31.) 14.31.2 Fixed Pitch Right Pedal (Low Power) |
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Definition
Procedures:
In a hover:
If rate of rotation is not excessive and landing surface is smooth and firm:
*1. Collective — Decrease to effect a power--on landing.
If rate of rotation is excessive or landing surface is unsuitable for a power−on landing:
*2. Twist grip — Reduce as nose approaches windline.
*3. Cyclic — Eliminate drift.
*4. Collective — Increase to cushion landing.
At altitude:
1. Maintain airspeed and engine rpm to streamline the aircraft.
2. Plan an approach to a smooth level surface into the wind or with a slight left crosswind if possible.
3. Establish a shallow approach, maintaining 60 KIAS until on final. |
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Term
| 32.) 14.31.3 Fixed Pitch Left Pedal (High Power) |
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Definition
Procedures:
In a hover:
If rate of rotation is not excessive and landing surface is smooth and firm:
*1. Collective — Decrease to effect a power−on landing.
If rate of rotation is excessive or landing surface is unsuitable for a power−on landing:
*2. Twist grip — Slowly reduce while increasing collective to stop rotation.
*3. Collective — Coordinate with twist grip to maintain heading and allow aircraft to settle.
At altitude:
1. Maintain airspeed and engine rpm to streamline the aircraft.
2. Plan an approach to a smooth, level surface into the wind or with a slight left crosswind if possible.
3. Establish a normal approach and maintain 60 KIAS during the initial part of the approach.
4. On final approach, maintain engine rpm within limits and begin a slow deceleration in order to arrive at a point
approximately 2 feet above the intended touchdown area as effective translational lift is lost.
5. Apply collective pitch to slow the rate of descent and align the helicopter with the intended landing path. If
the aircraft is not aligned after pitch application, adjust the twist grip to help further with the alignment. Allow
the aircraft to touch down at near zero groundspeed maintaining alignment with the twist grip. |
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Term
| 33.) 14.31.4 Loss of Tail Rotor Effectiveness |
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Definition
Procedures:
*1. Pedals — Maintain full left pedal.
*2. Collective — Reduce (as altitude permits).
*3. Cyclic — Forward to increase airspeed.
If spin cannot be stopped:
*4. Autorotative landing — Execute. |
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Term
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Definition
Procedures:
*1. Monitor engine instruments.
*2. Land as soon as possible.
The torquemeter incorporates a transducer between thewet line and the gauge. If the needle falls to zero and the digital
readout is extinguished, the cause is a loss of electrical power to the indicator.
Procedures:
1. Monitor engine instruments.
2. Check TRQ circuit breaker — In.
If circuit breaker resets:
3. Flight may be continued.
If circuit breaker was not popped or does not reset:
4. Land as soon as practical. |
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Term
| 35.) 14.32.3 Engine or Transmission Oil Pressures |
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Definition
On ground:
The engine shall be shut down if transmission oil pressure exceeds 70 psi or engine oil pressure exceeds 150 psi.
Airborne:
If either gauge fluctuates erratically, engine oil pressure does not indicate within normal range, or transmission oil
pressure is not within 30 to 70 psi:
*1. Land as soon as possible. |
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Term
| 36.) 14.32.4 Engine or Transmission Oil Temperatures |
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Definition
If either oil temperature gauge indicator exceeds red line limitations:
*1. Land as soon as possible.
If either oil temperature gauge fluctuates or falls to zero:
*2. Land as soon as practical. |
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Term
| 37.) 14.32.6 Pitot−Static Instruments |
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Definition
*1. PITOT HEAT switch(es) — HEAT.
Monitor cruise power settings and nose attitudes to maintain altitude and airspeed. If pitot heat does not remedy the
situation, accomplish the following:
*2. Alternate static source knob — Pull.
If icing conditions are present:
*3. Icing procedures — Execute.
If icing conditions are not present:
*4. Land as soon as practical. |
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Term
| 38.) 14.33 EMERGENCY DESCENT |
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Definition
Procedures:
*1. Collective — Reduce (to minimum pitch).
*2. Airspeed — 130 KIAS (122 KIAS Maximum with AFCS on). |
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Term
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Definition
Procedures:
*1. ENG ANTI−ICING — ON.
*2. PITOT HEAT switches — HEAT.
*3. Alternate static source knob — As required.
*4. Descend or climb to a warmer temperature or vacate clouds/moisture.
If unable to get clear of icing conditions:
*5. Land as soon as possible. |
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Term
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Definition
*1. Autorotate.
*a. Autorotation — Establish.
*(1) Collective — Full down immediately.
*(2) Pedals — Center ball.
*(3) Airspeed — 50 KIAS minimum rate of descent, 72 KIAS maximum glide range.
*(4) Nr — Maintain between 90 to 107 percent (94 to 95 percent optimum).
*(5) Heading — Turn into wind or toward best landing area.
*b. Autorotative landing — Execute.
*(1) Cyclic — Flare as required (to reduce rate of descent and groundspeed).
*(2) Collective — Increase as required (to cushion landing).
*(3) Cyclic — Level skids prior to touchdown. |
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Term
| 41.) 15.1.1 Landing in the Trees |
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Definition
*1. Autorotate.
*2. Shoulder harness — Lock.
If time and altitude permit:
*3. Mayday — Transmit.
*4. Transponder — Emergency.
*5. Twist grip — Close.
*6. Battery — OFF. |
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Term
| EMERGENCY EGRESS: 42.) 16.2.1.1 Pilot/Copilot |
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Definition
*1. Abandon aircraft — Order.
*2. Mayday — Transmit.
*3. Doors — Open/jettison.
*4. Communications cord — Disconnect.
*5. Lap/shoulder harness — Release.
*6. Egress through appropriate exit. |
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Term
| EMERGENCY EGRESS 43.) 16.2.1.2 Crew/Passengers |
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Definition
*1. Doors — Open/jettison.
*2. Seat harness — Release.
*3. Egress through appropriate exit. |
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Term
| 44.) 16.3.4.2 Ditching — Power Off |
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Definition
*1. Autorotate.
*2. Shoulder harness — Lock.
If time and altitude permit:
*3. Mayday — Transmit.
*4. Transponder — Emergency.
*5. Doors — Jettison.
*6. Underwater egress — Execute. |
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Term
| 45.) 16.3.5 Underwater Egress |
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Definition
*1. HABD — As required.
*2. ICS cords — Disconnect.
*3. Doors — Jettison.
*4. Place hand on known reference point.
*5. Harness — Release.
*6. Exit helicopter.
After egress:
*7. Swim clear of helicopter and inflate LPU. |
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