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13 Cards in this Set
- Front
- Back
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Fire warning light illuminated. Smoke. Fuel fumes. Fire. Indication from ground personnel. Grinding noises or apparent drive train damage. |
EMERGENCY SHUTDOWN *1. Twist grip — Close. *2. Fuel valve — OFF. *3. Battery switch — OFF. *4. Standby attitude indicator — 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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TOT fails to rise after twist grip rotated to flight idle.
Ng fails to rise above 20 percent. |
Igniter Failure
*1. Twist grip — Close.
*2. Starter — Secure after TOT stabilizes at 400 °C or below. |
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Ng rises slowly and stabilizes.
TOT rises more slowly than normal. |
Hung Start
*1. Twist grip — Close.
*2. Starter — Secure after TOT stabilizes at 400 °C or below. |
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TOT exceeds limits. TOT caution light and digital display flash twice per second. (Excessive rise in TOT, TOT rapidly accelerating through 840 °C, Battery voltage stabilized below 17 volts on starter engagement)
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Hot Start
*1. Twist grip — Close.
*2. Starter — Secure after TOT stabilizes at 400 °C or below. |
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TOT rises above 400 °C.
Flames or smoke coming from engine. |
POST SHUTDOWN FIRE (INTERNAL) *1. Starter — Engage.
*2. Fuel valve — OFF.
*3. Igniter circuit breaker — Pull.
*4. Starter — Secure after fire is extinguished.
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Nr decrease. Rapid settling. Left yaw. ROTOR LOW RPM caution light and audio. ENGINE OUT caution light and audio.
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Engine Failure In Flight *1. Autorotate. *2. Shoulder harness — Lock.
If time and altitude permit: *3. Mayday — Transmit. *4. Transponder — Emergency.
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(Rapid) Nr decrease. (Severe Nose-tucking) Rapid settling. Left yaw. ROTOR LOW RPM caution light and audio. ENGINE OUT caution light and audio. (High Airspeed & Low Altitude) |
Engine Failure at High Airspeed and Low Altitude
*1. Cyclic — Immediately apply aft.
*2. Autorotate.
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Popping or rumbling noise. Vibrations. Rapid rise in TOT. Ng fluctuation. Loss of power.
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COMPRESSOR STALL *1. Collective — Reduce.
*2. ENG Anti−ice switch — OFF
*3. Cabin Heat Valve — OFF.
*4. Land as soon as possible.
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Low Nr.
Low Nf. |
UNDERSPEEDING Nf/Nr *1. Collective — Adjust as required to maintain Nr in operating range. *2. Twist grip — Full open. *3. GOV RPM — Full increase. *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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Uncommanded descent with torque at maximum allowed.
Rotor droop.
Loss of tail rotor effectiveness.
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POWER REQUIRED EXCEEDS POWER AVAILABLE *1. Collective — Adjust as required to maintain Nr in operating range. *2. Twist grip — Full open. *3. Airspeed — Increase/decrease to 50 KIAS (minimum power required airspeed). *4. Angle of bank — Level wings. *5. Jettison — As required. If impact is imminent: *6. Level the aircraft to conform to terrain. *7. Cushion the landing.
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Nr increase. Nf increase. Ng increase. TOT increase. Right yaw. Engine noise increase.
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*1. Collective — Adjust as required to maintain Nr in operating range. *2. Twist grip — Reduce (to maintain Nf in operating range). *3. Collective/twist grip — Readjust. *4. Land as soon as possible.
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Erratic Nf.
Fluctuating Ng and/or TOT. |
FUEL CONTROL FAILURE *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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ENGINE RESTART IN FLIGHT |
*1. Autorotate. *2. Ng — Check. If Ng is below 12 percent: *3. Twist grip — Close, perform normal start. If Ng is 12 percent or above: *4. Starter — Engage, perform normal start. If light−off occurs: *5. Land as soon as possible.
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