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Gazelle study > Gazelle Limitations > Flashcards

Gazelle Limitations Flashcards

1
Q

Max wind speed for start?

A

40 Knots

Above 17 Knots aircraft must be into wind

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2
Q

Above what T4 must a vent run be carried out before start?

A

150 Deg C

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3
Q

What is the maximum T4 during start?

A

700 Deg C for 5 seconds

750 Deg C momentarily

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4
Q

The start must be aborted if one or more of five conditions are met. What conditions?

A
  • The START light does not come on
  • The INJ light does not come on within ten seconds of selecting IGN
  • The T4 fails to rise within ten seconds of selecting IGN
  • The STOP light comes on
  • The T4 is likely to exceed 700 Deg C for more than five seconds or 750 Deg C momentarily
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5
Q

If the engine flames out before 9000Nc what must be done?

A

Hold the IGN switch until 9000Nc is achieved.

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6
Q

If flame out occurs above 9000Nc what should you do?

A

Hold the start switch at IGN for three seconds

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7
Q

If stagnation occurs about 14000Nc what must be done?

A

Terminate the start by switching off the start switch but leave the boost pump on for 10 seconds.

Complete two 20 second vent runs and wait 25 minutes before attempting start.

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8
Q

How many consecutive starts can the starter be used?

A

3 consecutive starts with a 1 minute cooling period.

3 consecutive operations must be followed by a 25 minute cooling period.

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9
Q

What captions remain on the CWP whilst ground power is connected?

A

BATT and GEN

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10
Q

How long should the booster pump be on before start?

A

20 seconds

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11
Q

When at ground idle what should Nc be stabilised at?

A

25,500 +- 400

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12
Q

How do you conduct a vent run?

A

Booster pump - Off
Start switch - RUN (not more than 20 secs)
Start switch - off

After a 1 minute cooling period continue with a normal start

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13
Q

Pre rotor engagement torque should be what?

A

Minus 2% +- 1%

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14
Q

After releasing the rotor brake, the clutch is serviceable if no more than how many blades pass within 30 seconds?

A

18 blades

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15
Q

The clutch should start to engage between what Nc?

A

27,000 to 34,000 Nc

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16
Q

By what Nc should the ENG P caption have cleared?

A

35,000 Nc

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17
Q

By what Nc should the ALTNR caption clear?

A

42,000 Nc

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18
Q

What should Nc be stabilised at flight idle?

A

43,700 +- 200 Nc

19
Q

What is the maximum wind speed for stopping the rotors?

A

40 Knots

20
Q

What is the maximum Nr for the rotor brake during a normal shutdown?

A

170 Nr

21
Q

Engine limits

Max power

A

43,700 +- 200 Nc

610 Deg C (5 mins per flight)

22
Q

Engine limits

Max continuous

A

43,700 +- 200 Nc

580 Deg C (unrestricted)

23
Q

Nc maximum transit range

A

41,300 to 45,000 Nc

24
Q

If Nc exceeds what figure, must it be logged?

A

45,600 Nc

25
Q

What is the normal governed Nr?

A

380 +- 2

26
Q

What is the max transient range for Nr?

A

359 to 391

27
Q

What are the power off limits for Nr below 3000’ DA?

A

310 to 430

28
Q

What is the maximum Nr below minus 15 Deg C?

A

415

29
Q

What is the max transmission torque?

A

102.5%

30
Q

What is VL for the gazelle?

A

168 Kts at sea level decreasing by 4 Kts / 1000’PA

31
Q

What is the max speed with doors removed?

A

140 Kts or VL whichever is lower

32
Q

What is the max IAS in IMC

A

VMAX or 15 Kts less than VL whichever is lower.

33
Q

Minimum IAS in IMC?

A

40Kts except

During take off and transition to forward flight or landing.

During CA auto descents which can be down to 35 Kts IAS.

34
Q

What is the recommended IAS during turbulence?

A

70 to 90 Kts

35
Q

What is the maximum ROD you must not exceed during instrument approach?

A

750 ft/min

36
Q

What is the HTA

A

For ROD up to 750 ft/min the HTA is 130’

37
Q

Sloping ground limits for a slick cab?

A

Nose down 0
Nose up 12 Deg
Lateral 9 Deg

38
Q

Max rate of yaw? (Slick)

A

60 Deg per sec

39
Q

Max sideways and backwards?

A

AUM < 1800Kg - 30kts

AUM > 1800Kg - 25Kts

40
Q

What is the Max AUM of the Gazelle?

A

1900Kg

41
Q

What is the maximum engine oil temperature?

A

90 Deg C

42
Q

Maximum AOB during Hyd pressure failure?

A

30 Deg C

43
Q

Max speed during a Hyd failure?

A

95 Kts

44
Q

What are the sloping ground limits for RAHU/SERE

A

12 Deg nose up
9 Deg left slid up
5 Deg right skid up

Gazelle study (5 decks)

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