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TH-57 > TH-57 EP's (SEP '19) > Flashcards

TH-57 EP's (SEP '19) Flashcards

1
Q

Engine Failure In Flight

Indications:

  • Nr decrease
  • Rapid settling
  • Left yaw
  • ROTOR LOW RPM caution light/audio
  • ENGINE OUT caution light/audio
  • GEN FAIL [B] or MAIN GEN FAIL [C] caution light
A
    1. Autorotate
    1. Shoulder Harness - lock

If time and altitude permit:

    1. Mayday - transmit
    1. Transponder - emergency
    1. “Engine Restart in Flight” Procedure - as req
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2
Q

Engine Failure at High Airspeed and Low Altitude

A
    1. Cyclic - immediately apply aft {W}

* 2. Autorotate

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3
Q

Overtorque

Indications:

  • Torque Gauge flashes 2x/sec
  • TRQ caution light flashes 2x/sec
  • Torque limit exceeded
A

If overtorque exceeding 120%:
*1. Land as soon as possible

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

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4
Q

Overtemp

Indications:

  • TOT Gauge flases 2x/sec
  • TOT caution light flashes 2x/sec
  • TOT limit exceeded
A

*1. Land as soon as possible

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5
Q

Overspeed

Indications:
- Ng, Nf, or Nr limits exceeded

A

*1. Land as soon as possible

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6
Q

Compressor Stall {W}

Indications:

  • Popping, rumbling, or loud banging
  • Abnormal vibrations
  • Rapid rise or fluctuations in TOT
  • Torque fluctuations with yaw kicks
  • Ng fluctuation
  • Loss of power
A
    1. Collective - lower {N}
    1. ENG Anti-Ice Switch - ON
    1. Cabin Heat Valve - ON
    1. Check power available {N}

If power is insufficient to maintain level flight:

    1. Autorotate
    1. Twist Grip - flight idle {N}

If power is sufficient to maintain level flight:
*7. Land as soon as possible {N}

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7
Q

Underspeeding Nf/Nr {W}

Indications
- Low Nf or Nr

A
    1. Collective - lower as req to maintain a minimum of 90% Nr
    1. Twist Grip - full open
    1. GOV RPM - full increase

If underspeed persists:
*4. Check power available {N}

If power not sufficient:
*5. Autorotate {N}

If sufficient power is availble:
*6 Land as soon as possible {N}

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8
Q

Engine Overspeed (Nf) Rotor RPM (Nr)

Indications:

  • Increase in Nr, Nf, Ng, TOT, engine noise
  • Right yaw
A
    1. Twist Grip - reduce (to maintain Nf/Nr in operating range)
    1. Collective/Twist Grip - coordinate
    1. Land as soon as possible
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9
Q

Fuel Control Failure

Indications:

  • Erratic Nf/Nr
  • Fluctuating Ng and/or TOT (Same direction due to fuel scheduling)
A
    1. Collective - adjust as req to maintain Nr in operating range
    1. Twist Grip - adjust as req to maintain Nf in operating range
    1. Land as soon as possible {W}
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10
Q

Engine Restart in Flight

A

*1. Ng - note

If Ng is below 12%: {N}

    1. Twist Grip - close
    1. Starter - ON
    1. At 12% Ng, Twist Grip - full open

If Ng is 12% or above:
*5. Starter - ON

If light off occurs:

    1. At 58% Ng, Starter - OFF
    1. Land as soon as possible {N}
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11
Q

Main Drive Shaft Failure

Indications:

  • Nr decrease
  • Nf indication higher than Nr
  • Left yaw
  • Loud bang/sound of overspeeding engine
  • Low torque
A
    1. Autorotate
    1. Twist Grip - adjust, if necessary, to maintain Nf in operating range {W} {N}

When on deck:
*3. “Emergency Shutdown” - complete

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12
Q

Engine Chip {W}

Indications:
- ENG CHIP and CLEAR CHIP caution lights

A

*1. Check for secondary indications

If secondary indications exist:
*2. Land as soon as possible

If no secondary indications exist:
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 mins of first:
*6. Land as soon as possible

If more than 30 mins have elapsed since first:
*7. Proceed as with the first light

Any subsequent ENG CHIP caution light within 50 hrs of first:
*8. Land as soon as possible

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13
Q

Abort Start

Reasons:

  • Battery stabilized below 17V
  • TOT fails to rise after twist grip rotated to flight idle and Ng fails to rise above 20% (igniter failure)
  • TOT rises more slowly than normal and Ng rises slowly, stabilizes (hung start)
  • TOT exceeds limits and TOT caution light flashes 2x/sec (hot start)
  • Engine Oil Pressure 0 psi
  • Rotors not turning by 25% Ng
  • Transmission Oil Pressure not indicated by 30% Nr
A
    1. Twist Grip - close

* 2. Starter - OFF, after TOT stabilizes at 400 deg C or below {C}

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14
Q

Mast Bumping

Indications:
- Sharp 2-rev knocking

A

If mast bumping is suspected:

    1. Establish positive G load and/or balanced flight - as req
    1. Land immediately {N}
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15
Q

Transmission Malfunction

Indications:
- Abnormal transmission temp or px indications
- TRANS OIL PRESS caution
- TRANS OIL TEMP caution
- TRANS CHIP and CLEAR CHIP cautions
and/or
- Abnormal sound from transmission area
A

If failure is imminent: {N}

    1. Land Immediately
    1. Shoulder Harness - lock

If failure is not imminent:
*3. Land as soon as possible {N}

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16
Q

Transmission Chip

Indications:
- TRANS CHIP or CLEAR CHIP caution lights

A

First TRANS CHIP caution light:
*1. Check for secondary indications

If secondary indications exist:
*2. “Transmission Malfunction” Procedure - perform

If no secondary indications exist:
*3. Press CLEAR CHIP

If TRANS CHIP remains illuminated:
*4. “Transmission Malfunction” Procedure - perform

If TRANS CHIP extinguishes:
*5. Note the time and continue flight

Second TRANS CHIP caution light - Within 30 mins of first:
*6. “Transmission Malfunction” Procedure - perform

If more than 30 mins have elapsed
*7. Proceed as with the first TRANS CHIP caution light

Any subsequent TRANS CHIP caution light within 50 hrs of the first:
*8. “Transmission Malfunction” Procedure - perform

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17
Q

Sprag Clutch Slippage

Indications:
When Twist Grip increased to full open
- Nf indication higher than Nr
- Low torque indication
- Ng and TOT indications lower than normal and not responsive to collective
A
    1. Autorotate
    1. Twist Grip - flight idle

If time and altitude permit:
*3. Twist Grip - smoothly rotate to full open

If Nf/Nr are married:
*4. Collective - increase {N}

If sprag clutch continues to slip:

    1. Autorotate
    1. Twist Grip - closed

If the sprag clutch re-engages:
*7. Land as soon as possible {C}

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18
Q

Complete Loss of Tail Rotor Thrust

Indications:

  • Pedal input has no effect on trim
  • Right yaw (left sideslip)
  • Left roll of fuselage along longitudinal axis
  • Loud bang

Delayed Indications:

  • High frequency vibrations
  • Whining, grinding
  • Yaw kicks (often during power changes)
  • Restricted/difficult movement of pedals
  • Unusual pedal positions
  • T/R CHIP and CLEAR CHIP caution lights
A

In a hover:

    1. Twist Grip - flight idle
    1. Cyclic - eliminate drift
    1. Collective - increase to cushion landing

Transition to forward flight or hover/air taxi:

    1. Twist Grip - flight idle
    1. Cyclic - eliminate sideward drift
    1. Collective - increase to cushion landing

At altitude:
*4. Autorotate

If yaw is not controllable:
*5. Twist Grip - flight idle, immediately

If yaw is controllable:

    1. Continue powered flight and set up to a suitable landing area at or above minimum rate of descent autorotational airspeed {W} {N}
    1. Autorotate
    1. Twist Grip - rotate to flight idle prior to touchdown {W}
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19
Q

Tail Rotor Chip Caution

Indications:
- T/R CHIP and CLEAR CHIP caution lights

A

*1. Land as soon as possible {W}

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20
Q

Fixed Pitch (Pedal) in a Hover

Right Yaw Indication:

  • Unable to control right yaw in hover with pedal input
  • Power increase aggravates degree of yaw

Left Yaw Indication:

  • Unable to control left yaw in hover with pedal input
  • Power decrease aggravates degree of yaw
A

Right Yaw
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:

    1. Twist Grip - reduce as nose approaches wind line
    1. Cyclic - eliminate drift
    1. Collective - increase to cushion landing

Left Yaw
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:

    1. Smoothly increase collective to stop left yaw
    1. When left yaw has stopped, smoothly decrease collective to set up for a landing {N}
    1. Eliminate lateral drift with cyclic as aircraft settles
    1. Continue to smoothly lower collective once on deck to control yaw & transfer aircraft weight to the skids
21
Q

Loss of Tail Rotor Effectiveness

Indications:

A
    1. Pedals - full left
    1. Collective - lower (as altitude permits)
    1. Airspeed - increase

If spin cannot be stopped:
*4. Autorotate

22
Q

High Frequency Vibration

A

*1. ECS - OFF

If vibrations continue:
*2. Land as soon as possible {W}

If vibrations cease:
*3. Land as soon as practicable

23
Q

Hydraulic Power Cylinder Malfunction

Indications:

  • Cyclic/collective control displaces to abnormal position
  • Control of cyclic/collective is difficult or impossible
A
    1. HYDRAULIC BOOST Switch - OFF {W}
    1. Helicopter - regain control
    1. Airspeed - adjust (to obtain most comfortable control movement level)
    1. Land as soon as possible {W}
24
Q

Battery Hot Caution

Indications:
- BATTERY HOT caution light

A
    1. BAT Switch - OFF

* 2. Land as soon as possible {N}

25
Q

Battery Temp Caution

Indications:
- BATTERY TEMP caution light

A
    1. BAT Switch - OFF

* 2. Flight may be continued {N}

26
Q

Spare Caution

Indications:
- SPARE caution light (indicative of improper wiring of caution panel)

A
    1. Check for other indications

* 2. Land as soon as possible

27
Q

Fuel Boost Pump Failure

Indications:

  • FUEL PUMP caution
  • Indicated fuel px of 0 (dual pump failure)
A
    1. Descent - initiate if above 6,000’ P.A. and flight permits
    1. Fuel pressure and quantity - note {W}

If both fuel pumps have failed (0 psi) or a single pump has failed (4-30 psi) with quantity below 20 gal: {W}
*3. Land as soon as possible

If only one boost pump has failed (4-30 psi):
4. Land as soon as practicable

28
Q

Airframe Fuel Filter Caution

Indications:
- A/F caution light

A

*1. Land as soon as possible {W}

29
Q

Suspected Fuel Leakage

Indications:

  • Unusual fuel usage
  • Fuel fumes in cockpit
  • Streaming fuel
A

*1. Land as soon as possible

If time and altitude permit:

    1. Transmit position and intentions
    1. Unnecessary Equipment - secure {W}

When on deck:
*4. “Emergency Shutdown” - complete

30
Q

Engine Fire In Flight {W}

Indications:

  • Fire light
  • Smoke and/or flames
A

*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

31
Q

Fuselage Fire

A

*1. Land immediately

When on deck:
*2. Emergency Shutdown - complete {W} {N}

32
Q

Electrical Fire - Unknown Origin

Indications:

  • Smoke, fumes, sparks
  • Loadmeter shows excessive load
  • DC Voltmeter shows decrease in voltage
A

*1. BAT Switch - OFF
[C] *2. STBY GEN Switch - OFF
[C] *3. If in VMC, STBY ATT IND Switch - OFF
*4. MAIN GEN Switch - OFF

If fire persists:

    1. Land immediately
    1. “Emergency Shutdown” - complete

If fire extinguishes:
*7. Land as soon as possible

…

33
Q

Electrical Fire - Known Origin

Indications:

  • Smoke, fumes, sparks
  • Loadmeter shows excessive load
  • DC Voltmeter shows decrease in voltage
A
    1. Affected equipment - secure
    1. Affected circuit breakers - pull

If fire persists:
*3. “Electrical Fire - Unknown Origin” Procedure - execute

If fire extinguishes:
*4. Land as soon as practicable

34
Q

Smoke/Fume Elimination

Indications:
- Smoke or fumes in cockpit

A
    1. ECS and DEFOG Blower - OFF
    1. Vents/Windows - open

If smoke/fumes persist:
*3. Slip or skid aircraft to eliminate smoke and fumes

If source of the smoke and/or fumes cannot be identified:
*4. Land as soon as possible

35
Q

Post Shutdown Fire (Internal)

Indications:

  • TOT rises above 400 deg C
  • Flames or smoke coming from engine
A
    1. Starter - engage
    1. Fuel Valve - OFF
    1. Igniter Circuit Breaker - pull
    1. Starter - secure after fire is extinguished
36
Q

Immediate Landing/Ditching {W}

A
    1. Crew and Passengers - alert
    1. Shoulder Harness - lock
    1. Mayday - transmit
    1. Transponder - emergency
    1. Doors - open/jettison (as req)
    1. Landing Light/Search Light - as req

When on deck:
*7. “Emergency Shutdown” - complete

If water landing:
*8. “Underwater Egress” - execute

37
Q

Underwater Egress {W}

A
    1. SEBD - don (as req)
    1. Communication Cords - disconnect
    1. Doors - open/jettison
    1. Place hand on known reference point

Once all violent motion has stopped:

    1. Shoulder Harness/Lapbelt - release
    1. Exit helicopter

After egress:
*7. Swim clear and inflate LPU

38
Q

Emergency Shutdown

Causes:

  • Fire warning light
  • Smoke
  • Fuel fumes
  • Indication from ground personnel
  • Grinding noises or apparent drive train damage
A

*1. Twist Grip - close
*2. Fuel Valve - OFF
*3. BAT Switch - OFF
[C] *4. STBY ATT IND Switch - OFF
[C] *5. Rotor Brake - engage immediately
*6. Helicopter - Egress (as req). Use fire bottle or get clear of aircraft as applicable {W}

39
Q

Icing

Indications:
- OAT less than 4 deg C
and
- Visible moisture

A

*1. ENG ANTI-ICING - ON
*2. PITOT HEAT Switches - HEAT
[C] *3. Alternate Static Source Knob - as req
*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 {W}

40
Q

Torquemeter Wet line Rupture

Indications:
- Low needle indication and digital readout

A
    1. Monitor engine oil instruments

* 2. Land as soon as possible

41
Q

Engine or Transmission Oil Pressures

Indications:
- Erratic gauge fluctuations
or 
- Engine oil px not within normal range 
or 
- Transmission oil px not 30-70 psi
A

If engine oil pressure is exhibiting abnormal indications:
*1. Land as soon as possible

If transmission oil pressure is exhibiting abnormal indications
*2. “Transmission Malfunction Procedure” - perform {W} {N}

42
Q

Engine or Transmission Oil Temperature Malfunction

Indications:
- Temp limit exceeded
or 
- Gauge fluctuates 
or 
- Gauge indicates 0
A

If engine oil temperature gauge exceeds red line limits:
*1. Land as soon as possible

If transmission oil temperature gauge exceeds red line limits:
*2. “Transmission Malfunction” Procedure - perform

If either oil temperature gauge fluctuates or falls to 0:
*3. Land as soon as practicable

43
Q

Pitot-Static Instruments

Indications:
- Airspeed, vertical speed, or altimeter fluctuates erratically or gives false indications
and
- Power and attitude instruments are normal

A

*1. PITOT HEAT Switch(es) - HEAT

If pitot heat does not remedy the situation:
[C] *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 practicable

44
Q

Rotor Blade Stall

Indications:

  • Progressively increasing 2/rev vibrations
  • Loss of longitudinal control and severe feedback in the cyclic
  • Violent vertical nose oscillations independent of cyclic position
A
    1. Severity of Maneuver - decrease
    1. Collective - lower
    1. Airspeed - decrease
    1. Altitude - descend (if flight permits)
    1. Rotor RPM - increase {W}
45
Q

Vortex Ring State

Indications:

  • Rapid descent rate increase
  • Pitch and roll oscillations
  • Increase in overall vibration level
  • Loss of control effectiveness

Caused by ROD greater than 800’/min at a/s less than 40 KIAS; high, steep, and/or downwind approaches

A

*1. Controls - as req to clear vortex ring state

If impact is imminent:
*2. Level skids to conform to terrain

46
Q

Power Required Exceeds Power Available

Indications:

  • Uncommanded descent with torque at maximum available
  • Rotor droop
  • Loss of tail rotor authority
A
    1. Collective - lower as req to maintain a min of 90% Nr
    1. Twist Grip - full open
    1. Angle of Bank - level wings
    1. Airpseed - 50 KIAS (min power req a/s)
    1. Jettison - as req

If impact is imminent:

    1. Level skids to conform to terrain
    1. Cushion the landing
47
Q

Dynamic Rollover

Indications:

  • Excessive roll rate about a pivot point when lift approx. equals weight
  • Lateral control becomes sluggish or ineffective
  • Cyclic contacts lateral stop
A
    1. Collective - lower to stop the roll

* 2. Cyclic - neutral {W}

48
Q

Uncommanded Right Roll During Flight Below 1G

Indications:

  • Uncommanded right roll
  • Reduced cyclic effectiveness
A

*1. Cyclic - immediately apply aft to establish positive G load on rotor, then center laterally {W}

When main rotor returns to a positive thrust condition:
*2. Controls - as req to regain balanced flight

If mast bumping has occurred:
*3. Land immediately

49
Q

Emergency Descent

A
    1. Collective - lower (to min pitch)

* 2. Airspeed - 130 KIAS (122 KIAS max with FCS on) {N}

TH-57 (2 decks)

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