TH-57 EP CMIs Flashcards

1
Q

ABORT START

A
  1. Twist grip - Close
  2. Starter - OFF after TOT stabilizes at 400 degC or below
    CAUTION: Failure to utilize a GPU/battery cart of subsequent start attempts may result in a hot start
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2
Q

COMPRESSOR STALL

A

WARNING: This emergency may result in engine failure
1. Collective - Lower
NOTE: Power reduction will often eliminate compressor stalls
2. ENG Anti-ice switch - ON
3. Cabin heat valve - ON
4. Check power available
NOTE: Power available is considered sufficient if level flight can be maintained at Nr at 90% or higher without reaggravating compressor stall.
**If power is insufficient to maintain level flight:
5. Autorotate
6. Twist grip - Flight Idle
NOTE: If some usable power exists but level flight cannot be maintained, that power, if sufficient, may be utilized to affect a landing or minimize rate of descent enroute to a suitable site for autorotation.
** If power sufficient to maintain level flight:
7. Land as soon as possible

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3
Q

ENGINE OVERSPEED (Nf) ROTOR RPM (Nr)

A
  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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4
Q

UNDERSPEEDING Nf/Nr

A

WARNING: This emergency may result in engine failure
1. Collective - Lower as required to maintain minimum of 90% Nr.
2. Twist Grip - Full Open
3. GOV RPM - Full increase
** If underspeed persists:
4. Check power available
NOTE: Power available is considered to be sufficient if level flight can be maintained with Nr at 90% or higher.
** If power is not sufficient:
5. Autorotate
NOTE: If some usable power exists but level flight cannot be maintained, that power, if sufficient, may be utilized to affect a landing or minimize rate of descent enroute to a suitable site for autorotation.
** If sufficient power is available:
6. Land as soon as possible

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5
Q

FUEL CONTROL FAILURE

A
  1. Collective: Adjust as required to maintain Nr in operating range
  2. Twist Grip - Adjust as required to maintain Nf in operating range
  3. Land as soon as possible.
    WARNING: This emergency may result in engine failure
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6
Q

ENGINE CHIP

A

WARNING: This emergency may result in engine failure
1. Check for secondary indications
** If secondary indications exist:
2. Land as soon as possible
** If no secondary’s exist, proceed as follows:
First Chip light:
3. Press CLEAR CHIP
** If ENG CHIP remains:
4. Land as soon as possible
** If ENG CHIP extinguishes:
5. Note time and continue flight
Second Chip light:
** If within 30 min of the first:
6. Land as soon as possible
** If more than 30 minutes from the first:
7. Proceed as with the first light
Any subsequent ENG CHIP caution light within 50 Hours of the first:
8. Land as soon as possible.

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7
Q

ENGINE RESTART IN FLIGHT

A
  1. Ng - Note
    ** If Ng is below 12%:
    NOTE: Ng will not decrease below minimum starting speed within 10 seconds because of rotational inertia plus possible ram effect. The Twist grip can be left full open, since fuel flow during the start will be on the normal start acceleration schedule.
  2. Twist Grip - Close
  3. Starter - ON
  4. At 12% Ng, Twist Grip - Full Open
    ** If Ng is 12% or above:
  5. Starter - ON
    ** If light-off occurs:
  6. At 58% Ng, starter - OFF
  7. Land as soon as possible
    NOTE: Main Generator and BUS/TIE RELAY (C) may need to be reset
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8
Q

EMERGENCY SHUTDOWN

A
  1. Twist grip - Close
  2. Fuel Valve - OFF
  3. BAT Switch - OFF
    (C) 4. STBY ATT IND Switch - OFF
    (C) 5. Rotor Break - Engage immediately
  4. Helicopter Egress, as required. Use fire bottle or get clear of the aircraft as applicable
    WARNING: After exiting aircraft, beware of rotor blades
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9
Q

MAIN DRIVE SHAFT FAILURE

A
  1. Autorotate
  2. Twist Grip - Adjust, if necessary, to maintain Nf in operating range
    WARNING: The engine must continue to operate to provide tail rotor drive. Tail authority may be lost if Nf is allowed to go below 80%
    ** When on deck:
  3. Emergency shutdown - Complete
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10
Q

SPRAG CLUTCH SLIPPAGE

A
  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
    NOTE`: Multiple attempts to reengage the sprag clutch are permitted dependent on time and altitude
    ** If sprag clutch slippage continues to slip:
  5. Autorotate
  6. Twist Grip - Closed
    ** If sprag clutch reengages:
  7. Land as soon as possible
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11
Q

TRANSMISSION MALFUNCTION

A

** If failure is imminent:
WARNING: Possible indications od an imminent transmission failure may include yaw attitude excursions with no control input, an increase in power required for a fixed collective setting, increased noise, or increased vibration levels.
1. Land Immediately
2. Shoulder harness - Lock
** If failure is not imminent:
3. Land as soon as possible.
NOTE: Transiting as a minimum power required airspeed and low altitude may permit a quick flare and immediate landing in the event of an imminent transmission failure.

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12
Q

TRANSMISSION CHIP

A

First TRANS CHIP caution light:
1. Check for secondary indications
** If secondary indication exist:
2. Transmission malfunction Procedure - Perform
** If no secondary indications exist:
3. Press CLEAR CHIP
** If TRANS CHIP caution light remains illuminated
4. Transmission malfunction emergency procedure perform
** If TRANS CHIP light extinguishes:
5. Note the time and continue flight
Second TRANS CHIP light:
** If within 30 minutes of the first:
6. Transmission emergency procedure - Perform
** If more than 30 minutes have elapsed since the first TRANS CHIP caution light:
7. Proceed as with the first TRANS CHIP caution light
** Any subsequent TRANS CHIP caution light within 50 hours of the first:
8. Transmission malfunction Procedure - Perform.

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13
Q

FUEL BOOST PUMP FAILURE

A
  1. Descent - Initiate if above 6000’ PA and flight permits
  2. Fuel pressure and quantity - Note
    WARNING: with one or both boost pumps inoperative, 10 gallons is unusable
    ** If both fuel boost pumps have failed (Fuel pressure at zero), or a single pump has failed (Fuel presure 4 to 30 PSI) with fuel quantity below 20 gallons:
    WARNING: Dual boost pump failure may lead to engine failure.
  3. Land as soon as possible.
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14
Q

SUSPECTED FUEL LEAKAGE

A
  1. Land as soon as possible
    ** If time and altitude permit:
  2. Transmit position and intentions
  3. unnecessary electrical equipment - secure
    WARNING: If an air leak exists in the fuel lines between the boost pumps and engine, turning off all electrical power could cause an engine flameout due to a total loss of boost pump pressure.
    ** when on deck:
  4. Emergency shutdown - Complete
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15
Q

AIRFRAME FUEL FILTER CAUTION

A
  1. Land as soon as possible
    WARNING: This emergency may result in engine failure
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16
Q

HYRDRUALIC POWER CYLINDER MALFUNCTION

A
  1. HYDRAULIC BOOST switch - OFF
    WARNING: Hydraulic system will not secure it HYD BOOST circuit breaker is out and the pilot will be unable to maintain control of the aircraft.
  2. Helicopter - Regain control
  3. Airspeed - Adjust (to obtain most comfortable control movement level)
  4. Land as soon as possible
    WARNING: In the event of a complete loss of electrical power (B) or a loss of electrical power to the ESS No 2 Bus (eg failure of the Main Generator and main battery) (C), they hydraulic system will reenergize in the malfunction mode. The pilot will be unable to override the hydraulic boost solenoid.
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17
Q

ELECTRICAL FIRE - KNOWN ORIGIN

A
  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 practicable
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18
Q

ELECTRICAL FIRE - UNKNOWN ORIGIN

A
  1. BAT Switch - OFF
    (C) 2. STBY GEN Switch - OFF
    (C) 3. if VMC, STBY ATT IND switch - OFF
  2. MAIN GEN switch - OFF
    ** If fire persists:
  3. Land Immediately
    ** If fire extinguishes:
  4. Land as soon as possible
    ** When on deck:
  5. Emergency shutdown - Complete
19
Q

ENGINE FIRE IN FLIGHT

A

WARNING: The emergency may result in engine failure
1. Confirm existence of fire.
** If fire exists:
2. Land Immediately
** If fire not confirmed:
3. Land as soon as possible
** When on deck:
4. Emergency Shutdown - Complete

20
Q

FUSELAGE FIRE

A
  1. Land Immediately
    ** When on deck:
  2. Emergency Shutdown - Complete
    WARNING: Fire extinguisher fluid vapors are dangerous; fire extinguisher use should be limited to well ventilated area. A moving TH-57 with the cabin vents and windows open is considered to be a well ventilated area.
    NOTE: A sideslip may be desirable to keep the flames from spreading.
21
Q

SMOKE/FUME ELIMINATION

A
  1. ECS and DEFOG Blower - OFF
  2. Vents/windows - Open
    ** If smoke/fumes persist:
  3. Slip or skid the aircraft to eliminate smoke and fumes
    ** If source of the smoke and/or fumes cannot be identified:
  4. Land as soon as possible
22
Q

POST SHUTDOWN FIRE (INTERNAL)

A
  1. Starter - Engage
  2. Fuel Valve - OFF
  3. Igniter Circuit Breaker - Pull
  4. Starter - Secure after fire is extinguished
23
Q

MAST BUMPING

A

** If mast bumping is suspected
1. Establish positive G Load and/or balanced flight (as required)
2. Land Immediately.

24
Q

UNCOMMANDED RIGHT ROLL DURING FLIGHT BELOW 1 G

A
  1. Cyclic - Immediately apply aft to establish positive G load on rotor, then center laterally
    WARNING: Lateral cyclic is decreasingly effective below 1G and increases main rotor flapping, which can result in mast bumping.
    ** 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.
25
Q

FIXED PITCH IN A HOVER (RIGHT YAW)

A

** If rate of rotation is not excessive and landing surface is smooth and firm:
1. Collective - decrease to affect 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

26
Q

FIXED PITCH IN A HOVER (LEFTYAW)

A

** If rate or rotation is not excessive and landing surface is smooth and firm:
1. Collective - Decrease to affect a power on landing
** If rate of rotation is excessive or landing surface is unsuitable for a power on landing:
2. Collective: Smoothly increase collective to stop left yaw
3. When the left yaw has stopped, smoothly decrease collective to set up for a landing
NOTE: Steps 2 and 3 may need to be repeated until acceptable yaw conditions are established for landing, twist grip manipulation may be required to aid in recovery
4. Eliminate lateral drift with cyclic as the aircraft settles
5. Continue to smoothly lower collective once on deck to control yaw and transfer aircraft weight to the skids.

27
Q

LOSS OF TAIL ROTOR EFFECTIVENESS

A
  1. Pedals - Full Left
  2. Collective - Lower (as altitude permits)
  3. Airspeed - Increase
    ** If spin cannot be stopped:
  4. Autorotate
28
Q

HIGH FREQUENCY VIBRATION

A
  1. ECS - OFF
    ** If vibrations continue:
  2. Land as soon as possible
    ** If vibrations cease:
  3. Land as soon as practicable
    WARNING: The emergency may result in Complete Loss of Tail Rotor Thrust
    NOTE: An autorotative profile or low-powered approach minimizes stress on the tail rotor
29
Q

COMPLETE LOSS OF TAIL ROTOR THRUST (IN A HOVER)

A

** In a hover:
1. Twist Grip - Flight Idle
2. Cyclic - Eliminate Drift
3. Collective - Increase to Cushion landing

30
Q

COMPLETE LOSS OF TAIL ROTOR THRUST (TRANSITIONING HOVER/AIR TAXI/AT ALTITUDE)

A

** 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. Collective - Lower to control yaw
** If yaw is not controllable:
5. Autorotate
6. Twist grip - Flight Idle
** If yaw is controllable:
7. Continue powered flight and set up to a suitable landing area at or above minimum rate of descent autorotational airspeed.
WARNING: Review PCL
8. Autorotate
9. Twist grip - Rotate to flight idle prior to touchdown

31
Q

TAIL ROTOR CHIP CAUTION

A
  1. Land as soon as possible
    WARNING: This emergency may result in complete loss of tail rotor thrust
    NOTE: An autorotative profile or low powered approach minimizes stress on the tail rotor
32
Q

ENGINE FAILURE IN FLIGHT

A
  1. Autorotate
  2. Shoulder harness - Lock
    ** If time and altitude permit:
  3. Mayday - Transmit
  4. Transponder - Emergency
  5. Engine restart in flight procedure - as required
33
Q

ENGINE FAILURE AT HIGH AIRSPEED AND LOW ALTITUDE

A
  1. Cyclic - immediately apply aft
    WARNING: Rapid cyclic movement may cause mast bumping
  2. Autorotate
34
Q

EMERGENCY DESCENT

A
  1. Collective - Lower (to minimum pitch)
  2. Airspeed - 130 KIAS (122 KIAS maximum with FCS on)
    NOTE: During recovery, Nr may tend to overspeed
35
Q

IMMEDIATE LANDING/DITCHING

A
  1. Crew and passengers - Alert
  2. Shoulder Harness - Lock
  3. MAYDY - Transmit
  4. Transponder - Emergency
  5. Doors - Open/Jettison - As required
  6. Landing light/Search light - As required
    ** When on deck:
  7. Emergency shutdown - Complete
    ** If water landing:
  8. Underwater Egress - Execute
36
Q

UNDERWATER EGRESS

A
  1. SEBD - Don, as required
  2. Communication cords - Disconnect
  3. Doors - Open/Jettison
  4. Place hand on known reference point
    ** Once all violent motion has stopped:
  5. Shoulder Harness/lap belt - Release
    ** Exit Helicopter:
  6. Swim clear and inflate LPU
37
Q

BATTERY HOT CAUTION

A
  1. BAT switch - OFF
  2. Land as soon as possible
38
Q

BATTERY TEMP CAUTION

A
  1. BAT switch - OFF
  2. Flight may be continued
39
Q

SPARE CAUTION

A
  1. Check for other indications
  2. Land as soon as possible
40
Q

OVERTORQUE

A

** If overtorque exceeding 120%:
1. Land as soon as possible
** If overtorque of 120% or less:
2. Land as soon as practicable

41
Q

OVERTEMP

A
  1. Land as soon as possible
42
Q

Ng, Nf, or Nr OVERSPEED

A
  1. Land as soon as possible
43
Q

PITOT STATIC INSTRUMENTS

A
  1. PITOT HEAT switch(es) - HEAT
    ** If pitot heat does not remedy the situation, accomplish the following:
    (C) 2. Alternate static source knob - Pull
    ** If icing conditions are present:
  2. Icing procedures - Execute
    ** If icing conditions are not present
  3. Land as soon as practicable
44
Q

TORQUEMETER WET LINE RUPTURE

A
  1. Monitor engine oil instruments
  2. Land as soon as possible