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Emergency Procedures > Engines > Flashcards

Engines Flashcards

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1
Q

The BOLD FACE steps for THE BIG 4 are:

A
  1. NR
  2. AIRSPEED/ALTITUDE
  3. WHEELS/FLOATS
  4. ANALYZE
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2
Q

Possible symptoms:

  1. DIF N1 aural warning.
  2. DIF N1 warning light illuminated.
  3. NR droop.
  4. low NR horn.
  5. Abnormal engine parameters.
  6. TRQ, TOT, N1, and N2 decreasing.
  7. as engine spools down, additional symptoms will become evident (e.g. generator failure, ENG OIL P warning light, and engine status light).
  8. FLI switches to OEI mode.
  9. ECS disengages.
    10 Bleed air shuts off.
A

SINGLE-ENGINE FAILURE INFLIGHT TO INCLUDE: LOW HOVER, HIGH HOVER, AND TAKEOFF/LANDING TRANSITION

Corrective Action:

  1. COMPLETE THE BIG 4.

If suitable landing area is immediately available:
2. ASSUME LANDING ATTITUDE, ELIMINATE YAW, AND DRIFT PRIOR TO TOUCHDOWN.

If suitable landing area is not immediately available:

  1. COLLECTIVE - ADJUST TO MAXIMUM POWER, MAINTAIN NR ABOVE 345 RPM.
  2. AIRSPEED - CLIMB AT Vx OR Vy.
  3. NR/OEI - SET AS NECESSARY.
  4. ANALYZE.
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3
Q

Possible symptoms:

  1. DIF N1 aural warning.
  2. DIF N1 warning light illuminated.
  3. NR droop.
  4. low NR horn.
  5. Abnormal engine parameters.
  6. TRQ, TOT, N1, and N2 decreasing.
  7. as engine spools down, additional symptoms will become evident (e.g. generator failure, ENG OIL P warning light, and engine status light).
  8. FLI switches to OEI mode.
  9. ECS disengages.
    10 Bleed air shuts off.
A

FLAMEOUT

Corrective Action:

  1. COMPLETE THE BIG 4.
  2. FCS (affected engine) - CONFIRM; IDLE CONFIRM; OFF.
  3. boost pumps (affected engine) - OFF.
  4. TOT - monitor for post shutdown fire.
  5. OEI - set as necessary.
  6. FUEL - transfer/jettison as required.
  7. land as soon as practicable.

If the situation warrants and time permits:
8. restart engine inflight - complete

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4
Q

Possible symptoms:

  1. N2 significantly above NR.
  2. zero TRQ on malfunctioning engine.
  3. loud noises from the engine area.
  4. DIF N1 aural warning.
  5. DIF N1 warning light illuminated.
  6. NR droop.
  7. low NR horn.
A

ENGINE GEAFRBOX/OUTPUT SHAFT FAILURE

Corrective action:

  1. COMPLETE THE BIG 4.
  2. FCS (affected engine) - CONFIRM; IDLE CONFIRM; OFF.
  3. boost pumps (affected engine) - OFF.
  4. TOT - monitor for post shutdown fire.
  5. OEI - set as necessary.
  6. FUEL - transfer/jettison as required.
  7. land as soon as practicable.
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5
Q

Possible symptom:

  1. ENG 1 OIL P or ENG 2 OIL P warning light illuminated with engine oil pressure decreasing or reading zero.
  2. engine oil pressure fluctuates, increases, or decreases abnormally.
  3. engine oil pressure less than 25 psi.
  4. engine status light illuminated.
A

ENGINE LUBRICATION SYSTEM FAILURE

Corrective Action:

  1. COMPLETE THE BIG 4.
  2. FCS (AFFECTED ENGINE) - CONFRIM; IDLE, CONFIRM; OFF.
  3. boost pumps (affected engine) - OFF.
  4. TOT - monitor for post shutdown fire.
  5. OEI - set as necessary.
  6. FUEL - transfer/jettison as required.
  7. land as soon as practicable.
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6
Q

Symptoms:

  1. ENG 1 CHIP or ENG 2 CHIP warning light illuminated.
  2. ENGINE CHIP annunciation on VEMD caution/fuel page.
A

ENGINE CHIP DETECTED

Corrective Action:

  1. COMPLETE THE BIG 4.
  2. FCS (AFFECTED ENGINE) - CONFIRM; IDLE.

If ABNORMAL IDLE indication:

  1. FCS ( AFFECTED ENGINE) - CONFIRM; OFF.
  2. boost pumps (affected engine) - OFF.
  3. TOT - monitor for post shutdown fire.
  4. OEI - set as required
  5. FUEL - transfer at necessary.
  6. land as soon as practicable.

If NORMAL IDLE indications:
3. land as soon as practicable.

                          *NOTE* If additional power is required for landing, FCS may be switched to FLT.
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7
Q

Possible symptoms:

  1. Popping or rumbling noises.
  2. TOT increases/fluctuates.
  3. TRQ and N1 decrease.
  4. Airframe vibration/shuddering
A

ENGINE SURGE OR COMPRESSOR STALL INFLIGHT

Corrective Action:

  1. COMPLETE THE BIG 4.

If ABNORMAL ENGINE indications and affected engine can be identified.

  1. FCS (AFFECTED ENGINE) - CONFIRM; IDLE.

If ABNORMAL IDLE indications:

  1. FCS ( AFFECTED ENGINE) - CONFIRM; OFF.
  2. boost pumps (affected engine) - OFF.
  3. TOT - monitor for post shutdown fire.
  4. OEI - set as required
  5. FUEL - transfer at necessary.
  6. land as soon as practicable.
    NOTE
    If additional power is required for landing, FCS may be switched to FLT.

If NORMAL ENGINE indications or affected engine cannot be identified.

  1. land as soon as practicable.
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8
Q

Possible symptoms:

  1. Popping or rumbling noises.
  2. TOT increases/fluctuates.
  3. TRQ and N1 decrease.
  4. Airframe vibration/shuddering
A

ENGINE SURGE OR COMPRESSOR STALL ONDECK

Corrective Action:

  1. FCS (AFFECTED ENGINE) - OFF.
  2. boost pumps (affected engine) - OFF.
  3. TOT - monitor for post shutdown fire.
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9
Q

Symptoms:

  1. DIF N1 warning light illuminated.
  2. DIF N1 aural warning.
  3. Possible NR droop.
  4. Low NR horn.
  5. OEI GOV mode on VEMD.
  6. N1 difference between both engines is greater than 6%.
A

N1 DIVERGANCE/PARTIAL POWER LOSS

Corrective Action:

  1. COMPLETE THE BIG 4.
  2. land as soon as practicable.
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10
Q

Symptoms:

  1. FADEC 1 FAIL or FADEC 2 FAIL caution light illuminated.
  2. Engine status light.
  3. OEI GOV mode page displayed.
  4. Affected engine will not respond to collective movement due to the fuel flow metering being frozen at the rate present when the FADEC failure.
A

MAJOR FADEC/GOVERNOR FAILURE (LEVEL 3)

Corrective Action:

1. COMPLETE THE BIG 4.
2 TRNG SWITCH - FLT.
3. FADEC BACKUP SWITCH (AFFECTED ENGINE) - CONFIRM; BACKUP. 
4. OEI - set as necessary.
5. land as soon as practicable.
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11
Q

Symptom:

  1. GOV caution light illuminated.

Possible symptoms:

  1. FLI DEGR annunciation on the VEMD.
  2. TRQ, TOT, N1 value missing with TRQ, TOT, or N1 label in boldface yellow type.
  3. One or both VEMD screens fail.
  4. No Bingo annunciation on CDU
  5. LANE 1/2 FAILED - PRESS OFF 1/2.
  6. Cross talk failed - PRESS OFF 1/2.
  7. STAT page FAIL line: BARO
A

MINOR FADEC/GOVERNOR FAILURE (LEVEL 2)

Corrective Action:

  1. COMPLETE THE BIG 4.
  2. If both VEMD screens fail, avoid high power settings and reference placard for collective pitch settings.
  3. abort mission.
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12
Q

Symptom:

  1. Fail code on VEMD system status page.
A

FADEC FAILURE (LEVEL 1)

Corrective Action:

  1. Continue flight as appropriate.
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13
Q

Symptom:

  1. OIL TEMP warning light illuminated AND increase in ENG 1 and/or ENG 2 oil temperature on the VEMD above 115 degrees Celsius.
                          *NOTE* If OIL TEMP warning light illuminated with no secondary treat as MGB INDICATING SYSTEM FAILURE.
A

ENGINE OVERHEAT

Corrective Action:

  1. Cruise airspeed - 120 KIAS minimum.

If one engine has an overheat, consideration should be given to bringing the affected engine to idle.

  1. land as soon as practicable.
  2. shutdown engines as soon as possible.
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14
Q

ENGINE SHUTDOWN PROCEDURE INFLIGHT:

A
  1. COMPLETE THE BIG 4.
  2. FCS (affected engine) - CONFIRM; IDLE, CONFIRM; OFF.
  3. boost pumps (affected engine) - OFF.
  4. TOT - monitor for post shutdown fire.
  5. OEI - set as necessary.
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15
Q

RESTARTING ENGINE INFLIGHT PROCEDURE:

A

Corrective Action:

  1. heat - OFF.
  2. ESFL - ensure forward.
  3. boost pumps - on.
  4. Check N1 less than 17%.
  5. Perform normal start procedure.

If engine start successful:
6. land as soon as practicable.

If engine restart fails:

  1. FCS (affected engine) - OFF.
  2. boost pumps (affected engine) - OFF.
  3. TOT - monitor for post shutdown fire.
  4. OEI - set as required.
  5. FUEL - transfer/jettison as required.
  6. land as soon as practicable.
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16
Q

Symptom:

  1. Aircraft (dynamic) on deck in unsafe condition.
A

EMERGENCY SHUTDOWN PROCEDURE ONDECK

Corrective Action:

  1. ESFL’S - BOTH OFF.
  2. EMERGENCY ELECTRICAL CUTOFF- OFF.
  3. ROTOR BRAKE - ON.
  4. EVACUATE AIRCRAFT.
17
Q

Possible symptoms:

  1. FADEC 1 FAIL or FADEC 2 FAIL caution lights illuminated.
  2. Insufficient voltage (less than 17 VDC).
  3. TOT digital value underscored in RED.
  4. No ride in N1 and/or TOT within 10 seconds.
  5. TOT rapidly rises and appears that it will exceed 750 degrees Celsius (hot start).
  6. The main rotor does not turn prior to 25% N1.
  7. Engine does not reach 45% N1 by 30 seconds and is no longer accelerating.
  8. ENG 1 OIL P or ENG 2 OIL P warning light does not extinguish prior to 70% N1.
  9. The N2 needle passes the NR needle.
A

ENGINE START EMERGENCIES

Corrective Action:

  1. FADEC CONTROL SWITCH - OFF.
  2. Boost pumps - OFF.
  3. TOT - monitor for post shutdown fire.

***** Before attempting another restart:
Investigate and analyze the conditions requiring the abort.

18
Q

Any ONE of the following symptoms:

  1. ENG OIL 1 or 2 pressure indication goes to full scale, zero, or is blanked.
  2. ENG OIL 1 or 2 temperature indication goes to full scale, zero, or is blanked.
  3. VEHICLE PARAMETER OVER LIMIT annunciation on the VEMD.
  4. ENG OIL 1 P or ENG OIL 2 P warning light illuminated.
A

ENGINE INDICATING SYSTEM FAILURE

Corrective Action:

  1. Monitor for secondary indications.
  2. abort mission.
19
Q

Symptoms:

  1. Low NR horn - ON.
  2. NR - DECAYING.
  3. Engine parameters - BOTH ENGINES DECREASING.
  4. Possible right Yaw.
A

DUAL ENGINE FAILURE INLFIGHT
( AUTOROTATION PROCEDURE)

Corrective Action:

  1. COMPLETE THE BIG 4 ( AIRSPEED 75-100KIAS).
  2. TURN TOWARD DESIRED LANDING AREA AND/OR INTO THE WIND.
  3. AT 200-FT RADALT - WHEELS RECHECK.
  4. AT 125-FT RADALT - INITIATE FLARE. CONTROL THE RATE TO ARRIVE AT 20 DEGREES NOSE UP AT 75-FT RADALT; INFLATE FLOATS AS REQUIRED.
  5. MAINTAIN FLARE UNTIL DESIRED AIRSPEED IS REACHED - 30 KT PLUS HALF THE WIND SPEED.
  6. ASSUME 5 DEGREES NOSEUP, WINGS-LEVEL LANDING ATTITUDE.
  7. AT 25-FT RADALT - COLLECTIVE( CUSHION THE LANDING).
20
Q

The following items should be completed if time and altitude permits during AUTOROTATION PRECEDURE.

A 
A cabin door - OPEN.
B. shoulder harness - LOCKED.
C. distress - TRANSMIT.
D. IFF - EMERGENCY.
E. FCS switches - OFF.
F. engine restart - Consider Attempt.
G. landing light - as required.
H. boost pumps - OFF.

Emergency Procedures (9 decks)

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