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AS350B3 DH > Emergency Procedures > Flashcards

Emergency Procedures Flashcards

1
Q

What is the Horn switch used for?

A

On the console, a HORN switch is used to activate the audio warning.
When HORN switch is set to ON: HORN light goes out

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2
Q

When is a Gong generated?

A

A gong is generated each time a red warning appears on the CWP

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3
Q

Explain the continuous tones:

A

Two continuous tones can be heard:
– a 310 Hz tone when Nr is below 360 rpm
– a 285 Hz tone when max. takeoff rating is exceeded
— After 1.5 sec. delay if power remains within transient range
— Immediately when max. transient rating is or will be exceeded during fast power increase

  1. Collective pitch - REDUCE to maintain Nr in normal operating range or power within limits.
  2. Engine parameters - CHECK
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4
Q

Explain the intermittent tone:

A
  • An intermittent tone (310 Hz) is heard when the Nr is above 410 rpm
    1. Collective pitch - Increase to maintain Nr in normal operating range
    2. Apply procedure according to situation
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5
Q

What is the autorotation procedure over land after an engine flame-out?

A
  1. Collective pitch - REDUCE to maintain Nr in normal operating range
  2. IAS - SET to 65 kts
    - If relighting impossible or after loss of tail rotor thrust
  3. Twist grip - IDLE position
  4. Maneuver the aircraft into wind on final approach
    - At height + 70 ft
  5. Cyclic stick - FLARE
    - At 20/25 and at constant attitude
  6. Collective pitch - GRADUALLY INCREASE to reduce the rate of descent and forward speed
  7. Cyclic - FORWARD to adopt a slightly nose-up landing attitude (<10degrees)
  8. Pedals - ADJUST to cancel any side slip tendency
  9. Collective pitch - INCREASE to cushion touch-down
    - After touch-down
  10. Cyclic, collective, pedals - ADJUST to control ground run
    - Once the a/c has stopped
  11. Collective pitch - FULL LOW PITCH
  12. Rotor brake - APPLY below 170 rpm
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6
Q

Explain the autorotation procedure over water:

A

Apply the same procedure as over land, except items 10, 11, and 12, but maneuver to head a/c equally between the wind and wave direction on final approach. Ditch with minimum forward speed (IAS < 30 kts) and rate of descent. Then apply:
10. Collective pitch - MAINTAIN
11. Doors jettison handles - PULL-UP
12. Rotor brake - APPLY
Abandon a/c once rotor has stopped

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7
Q

What is the procedure for engine failure in a hover IGE?

A
  1. Collective - MAINTAIN
  2. Pedals - CONTROL YAW
  3. Collective - INCREASE as needed to cushion touch-down
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8
Q

What is the procedure for engine failure in a hover OGE?

A
  1. Collective pitch - FULL LOW PITCH
    - When Nr stops decreasing
  2. Cyclic - FORWARD to gain airspeed according to height available
  3. Autorotation procedure - APPLY
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9
Q

What is the procedure for engine re-lighting?

A
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10
Q

What are the symptoms for a complete loss of tail rotor thrust?

A

The helicopter will yaw to the left with a rotational speed depending on the amount of power and the forward speed set at the time of the failure

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11
Q

What is the procedure for a complete loss of tail rotor thrust in a hover IGE (or OGE within HV diagram)?

A
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12
Q

What is the procedure for a complete loss of tail rotor thrust in a hover OGE (Clear area, outside HV diagram)?

A
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13
Q

What is the procedure for a complete loss of tail rotor thrust in cruise flight?

A

Approach and landing
- On a suitable area for autorotative landing:
1. Twist grip - IDLE position
2. Carry out an autorotative landing

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14
Q

What are the symptoms of a loss of tail rotor control?

A
  • Jamming of pedals or loss of effectiveness of the pedals
  • These conditions make it impossible to control tail rotor thrust with the pedals
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15
Q

What is the procedure for a loss of tail rotor control?

A
  1. Cyclic and collective - Adjust to set IAS to 70 kts
  2. Hydraulic cut-off switch (collective) - OFF
  3. [ACCU TST] - Press for 2 sec. (load compensator depressurizes)
    On a suitable area for a running landing procedure:
    - Make a shallow approach with a slight left sideslip
    - Perform a running landing, the sideslip will be reduced progressively as airspeed is reduced and collective is applied to cushion the landing
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16
Q

What is the procedure for a yaw servo slide-valve seizure in hover?

A
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17
Q

What is the procedure for a yaw servo slide-valve seizure in cruise flight?

A
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18
Q

What is the procedure for a HYD1 or HYD2 light with a SERVO light?

A
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19
Q

What is the procedure for a SERVO light?

A
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20
Q

What is the procedure for a LIMIT light?

A
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21
Q

What is the procedure for smoke in the cabin with the source not identified?

A
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22
Q

What is the procedure for smoke in the cabin with the source identified?

A
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23
Q
A
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24
Q

What is the procedure for failure of 1 VEMD screen?

A

OFF1 or OFF2 - OFF
- Read all info on the other screen
- Info is available using the SCROLL pushbutton either on the VEMD or on the collective grip
- If the top screen fails, the 3-parameter engine page will be automatically displayed on the lower screen

25
Q

What is the procedure for failure of both VEMD screens?

A

To avoid any power overlimit, the max. authorized power will be the power needed to establish level flight with the following law:
IAS kts = 100 kts - 2 kts/1000 ft
LAND AS SOON AS PRACTICABLE
Carry out a no-hover landing

26
Q

How are caution messages displayed on the VEMD?

A
  • When a parameter is off line, the parameter value is not displayed on the upper VEMD screen and the parameter scale symbology is displayed in yellow
  • Caution messages are self explanatory and the pilot shall comply with the action requested. If no light is lit on the CWP, no other action is required from the pilot
  • If an overlimit is displayed it is recorded in the VEMD and will be displayed on the engine page until Ng = 40% during the following engine start
  • If no light is displayed:
    CONTINUE FLIGHT
27
Q

What is the procedure for an Nr indication failure?

A
  • Nr indication failure
    1. Collective - MAINTAIN Tq > 10%
    Nr reading is given by Nf pointer
    LAND AS SOON AS PRACTICABLE
28
Q

What is the procedure for an Nf indication failure?

A
  • Nf indication failure
    1. Nr gauge - CHECK in normal operating range with Tq > 0
    CONTINUE FLIGHT
    NOTE 1: The Nf value can be read on the VEMD screen. Press [SELECT], then [+] as many times as required to dispay the parameter in the rectangular window at the bottom of the FLI or 3-data screen
    NOTE 2: In case of Nf indication failure, EBCAU may not be available
29
Q

What is the procedure for Engine Oil Temperature over 115C?

A
30
Q

What is the procedure for low engine oil pressure?

A
31
Q

What happens when you lose Ng, Torque or T4 parameters?

A
  • When a parameter is off line, the parameter value is not displayed on the VEMD upper screen and the parameter scale symbology is displayed in yellow.
  • The FLI is replaced by the 3 data symbology (Ng/deltaNg, T4, and Torque) and a failure message is displayed
32
Q

What is the procedure for an Ng/deltaNg Indicator failure?

A

Land as soon as practical

33
Q

What is the procedure for an Torquemeter failure?

A

Land as soon as practical

34
Q

What is the procedure for a deltaNg and Torquemeter indication failure?

A

Land as soon as practical

35
Q

What is the procedure for a T4 indicator failure?

A

Land as soon as practical

36
Q

What is the procedure for an ENG FIRE light at start up?

A
37
Q

What is the procedure for an ENG FIRE light in flight?

A
38
Q

What is the procedure for a red GOV light in flight?

A
39
Q

What is the procedure for a red GOV light while starting?

A
40
Q

What is the procedure for a yellow GOV light continuously on?

A
41
Q

What is the procedure for a flashing yellow GOV light at idle or during starting or shutdown?

A
42
Q

What is the procedure for an ENG P light?

A
43
Q

What is the procedure for a TWT GRIP light?

A
44
Q

What is the procedure for an ENG CHIP light?

A
45
Q

What is the procedure for a MGB P light?

A
46
Q

What is the procedure for a MGB TEMP light?

A
47
Q

What is the procedure for a MGB CHIP light?

A
48
Q

What is the procedure for a TGB CHIP light?

A
49
Q

What is the procedure for a BATT light?

A
50
Q

What is the procedure for a GENE light?

A
51
Q

What is the procedure for a FUEL light?

A
52
Q

What is the procedure for a FUEL P light?

A
53
Q

What is the procedure for a FUEL FILT light?

A
54
Q

What is the procedure for a PITOT light?

A
55
Q

What is the procedure for a HORN light?

A
56
Q

What is the procedure for a DOOR light?

A
57
Q

What is the procedure for a inoperative rotor brake?

A
58
Q

What are the results of a bleed valve failure?

A
59
Q

What is the procedure for an abnormal Nf governing resulting in low Nr and Nf parameter?

A

AS350B3 DH (3 decks)

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