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TH-73 > TH-73 EPs > Flashcards

TH-73 EPs Flashcards

1
Q

Engine failure in HIGE

A
  1. Collective - maintain initially then increase to cushion the touchdown
  2. Pedals - control yaw rate
  3. Cyclic - adjust to obtain skid level attitude
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2
Q

Eng Fail in take off

A
  1. Collective - lower immediately to stop Nr decay
  2. Pedals - control yaw rate
  3. Autorotative landing - complete
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3
Q

Eng Fail in HOGE

A
  1. Collective - lower immediately to stop Nr decay
  2. Pedals - control yaw rate
  3. Cyclic - forward to increase airspeed
  4. Autorotative landing - complete
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4
Q

Eng Fail in Cruise

A
  1. Collective - Lower immediately to stop Nr decay
  2. Pedals - control yaw rate
  3. Cyclic - adjust to desired airspeed
    if time and altitude permit
  4. Mayday - transmit
  5. Transponder - 7700
  6. Eng Restart in Flight - as required
    if eng remains off/failed
  7. Autorotative landing - complete
    Caution: Nr 90-110%
    Note: Min ROD airspeed 70, max glide airspeed 100 kias
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5
Q

Engine Restart in Flight

A
  1. Gen Switch - off
  2. Twist grip - off
  3. Start push-button - press and release
    when N1 reaches 10-20%
  4. Twist grip - idle
    when starter drops out and N1 61+/-1%
  5. Twist grip - flt
  6. Gen Switch - on
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6
Q

Autorotative Landing

A

At approximately 150’
1. Cyclic - Flare to reduce forward speed
At approximately 20-30’ AGL
2. Collective increase to reduce rate of descent
3. Cyclic - forward to obtain skid level attitude
4. Collective - Continue application to cushion the touchdown
5. Pedals - maintain direction
6. Emergency shutdown - complete
Caut: if you contact on aft skid don’t counteract the pitch down with cyclic

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7
Q

Eng Oil Px Low

A

Eng oil px below 40 psi or 40-80 psi and decreasing
1. Reduce power
2. Monitor engine parameters
3. Land as soon as possible
warning: may result in eng fail
note: eng oil px may enter cautionary range during practice autos

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8
Q

Eng Oil Temp Hi

A
  1. Reduce Power
  2. Monitor engine parameters
  3. Land as soon possible
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9
Q

Abort Start

A
  1. Twist Grip - off
  2. IGN switch - off
  3. Starter pushbutton - continue to operate until ITT decreases to normal range
  4. Fuel panel switches - off/closed
    Caut: failure to use ext pwr on subsequent starts may result in hot start
    Excessive rise in ITT, ITT rapidly through 870, and or low batt voltage indicate increased potential for hot start
    if light off does not occur within 10 seconds of twist grip idle - abort start
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10
Q

Eng Compressor Stall

A
  1. Collective - lower to clear the stall
  2. Airspeed - 60-70 kias level flight
  3. land as soon as possible

warning: may result in eng fail
note: if you have power but can’t maintain level flight, use the power you have to get to a good landing site or land well

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11
Q

Overspeed
Malfunction of FCU

A

if fuel control system malfunction causes an increase in power (overspeed)
1. Twist Grip - Reduced until Nr/N2 are in normal range
2. Collective/Twist Grip - coordinate
3. Land as soon as possible
Warn: N1 decreasing below 51% will cause flameout
Note: overspeed may result in EEC fail

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12
Q

Underspeed
Malfunction of FCU

A

if fuel control sys causes decrease in power (underspeed)
1. Collective - lower to maintain Nr
2. Man/Nor selector - man
3. Twist Grip - slowly rotate toward max, as required
4. Collective/Twist Grip - coordinate
5. Land as soon as possible
Warn: rapid twist grip movement may result in exceedance
N1 below 51% will cause flameout

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13
Q

Eng RGB chip

A
  1. Reduce power
  2. Check for secondary indications
    if secondary indications exist
  3. Land as soon as possible
    if no secondary indications
  4. Chip burner switch - activate and release
    if message does not extinguish or on 4th message
  5. Land as soon as possible
    Use of chip burner when relative oil px is below limits is prohibited
    Note: chip burner shall not be used on ground
    chip burner can be activated 3x per flight
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14
Q

Eng AGB Chip

A
  1. Reduce power
  2. Land as soon as possible
    note: chip burner not available with eng agb chip
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15
Q

XMSN Malfunction

A

if failure is imminent
1. land immediately
if failure is not imminent
2. reduce power
3. monitor transmission parameters
4. land as soon as possible

warn: Possible indications of imminent transmission failure may include: yaw attitude excursions with no control input, an increase in power required for a fixed collective setting, increased noise,
increased vibrations, or abnormal fumes.
note: transit min power required airspeed at low alt to effect a quick flare and immediate landing in event of imminent failure

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16
Q

XMSN Chip

A

If xmsn chip message illuminated
1. Check for secondary indications
if secondary indications exist
2. Transmission malf EP - perform
3. Chip burner sw- activate and release
4. Transmission malfunction EP - perform
use of chip burner sw when relative oil px is below limits is prohibited
note: no chip burner on ground, chip burner only 3x per flight

17
Q

Loss of T/R thrust in a hover

A
  1. Twist grip - idle
  2. Cyclic - eliminate drift
  3. collective - increase to cushion the landing
    caut: slight rotation to the right can be expected on touchdown
18
Q

Loss of T/R thrust in cruise flight

A
  1. Collective - lower to eliminate yaw
  2. Airspeed - adjust to reach a suitable landing site
    on reaching point of intended landing
  3. autorotate
  4. twist grip - off prior to touchdown
    note: increase in power necessitates increase in speed to prevent helicopter from excessive yaw
19
Q

Tail Rotor Chip

A
  1. Reduce Power
  2. Chip burner sw - activate then release
    if message does not extinguish or on the 4th TR box chip message
  3. Land as soon as possible
    Warn: be prepared for complete loss of T/R thrust, high power settings may result in T/R gearbox fail
    note: same chip burner notes
20
Q

Hyd Sys #1 or #2 px loss

A
  1. Establish VMC
  2. Avoid rapid movement of flight controls
  3. Airspeed - reduce smoothly below 90 kias
  4. Affected SERVO sw - off
  5. Land as soon as possible
    Caut - pull up maneuvers and bank angles beyond 25 deg may result in excessive flight control loads
    note: pedals not boosted with #1 fail, rapid power change with #1 fail may result in uncontrollable yaw, unboosted pedals may not be able to control right yaw with strong right xwind
21
Q

Batt Temp Hi

A
  1. BAT sw - off
  2. Land as soon as possible
22
Q

Emergency DC bus fail

A
  1. Land as soon as possible
    can reset emer CB one time
    caut: ITT reference signal lost, reduce ITT limit 30 deg
    note: ICS operation may be restored by putting ACP in back up or emer
23
Q

Fuel Pump 1 and/or fuel pump 2 fail

A

if both pumps fail with 0 psi:
1. land as soon as possible

24
Q

Eng Fire in flight

A
  1. Confirm fire
    if fire is confirmed
  2. Land immediately
    if fire not confirmed
  3. Land as soon as possible
    when on deck
  4. emergency shutdown - complete
25
Q

Cockpit/Cabin fire in flight

A
  1. Air conditioner/Vent/heater switches - off
  2. Vent knob - push
  3. airspeed - adjust, as required
  4. Doors/windows - close
    if electrical source suspected
  5. unnecessary electrical equipment - secure
  6. fire extinguisher - as required
    if fire persists
  7. land immediately
    if fire extinguishes
  8. land as soon as possible
    when on deck
  9. emergency shutdown - complete
26
Q

Smoke/Fume elimination

A
  1. Vent ckpt switch - on
  2. vent knob - pull
  3. airspeed - adjust, as required
  4. doors/windows - open
    if smoke/fumes persist
  5. slip or skid aircraft to eliminate smoke and fumes
  6. land immediately
  7. emergency shutdown - complete
    if smoke/fumes extinguish
  8. land as soon as possible
27
Q

Emergency shutdown

A
  1. Twist grip - off
  2. Fuel panel switches - off/closed
  3. rotor brake - on
  4. gen switch - off
  5. bat switch - off
    when rotor stops
  6. helicopter - egress
28
Q

IMM/LDG Ditch

A
  1. Crew and passengers - alert
  2. Mayday - transmit
  3. Transponder - 7700
  4. Doors - open/jettison, as required
  5. landing light/search light - as required
    when on deck
  6. emergency shutdown - complete
    if water landing
  7. underwater egress - execute
29
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. harness - release
  6. exit helicopter
    after egress
  7. swim clear and inflate LPU
30
Q

Lightning Strike

A
  1. Airspeed - reduce below 80 kias
  2. maneuver smoothly
  3. land as soon as possible
31
Q

Hoist load jettison

A
  1. hoist cut pushbutton guard - lift
  2. hoist cut pushbutton - press
32
Q

Rotor Brake on

A

in flight
1. rotor brake lever - verify off
2. land immediately
on the ground
3. rotor brake lever - verify off
4. emergency shutdown - complete

33
Q

Loss of torque sensor power

A
  1. land as soon as possible
34
Q
A

TH-73 (25 decks)

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