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Aircrew Fundamentals > LMTs > Flashcards

LMTs Flashcards

1
Q

Max taxi weight

A

325k lbs

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2
Q

Max in flight weight

A

344k lbs

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3
Q

Start Res trans

A

285

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4
Q

Res empty

A

283

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5
Q

Norm res trans

A

230

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6
Q

Zero fuel weight

A

205k lbs

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7
Q

Norm landing weight

A

250k lbs

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8
Q

Max ldg

A

344k

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9
Q

Emergency landing weight

A

344k lbs

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10
Q

3 Eng trng

A

270k

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11
Q

Touch-Go

A

250

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12
Q

Landing Gear operation

A

270 kts

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13
Q

Landing gear extended

A

320 kts

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14
Q

Dump Chute ops

A

240

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15
Q

Dump Chute extended

A

275kts

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16
Q

Acft Max Air Speed

A

339

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17
Q

If ground crew has not called rotation and N1 RPM is not indicated by 25% N2

A

Call Stop-Start. Release the start switch and investigate the cause before attempting 2nd start

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18
Q

Engine Start: first sign of combustion (light off) is a rise in __, which occurs __ seconds after the throttle is advanced to idle.

A

EGT / 20 seconds

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19
Q

Fuel flow at light off is normally ___?

A

less than 1000 PPH

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20
Q

Sustained fuel flow of 1400 PPH or higher indicates __?

A

Possible Hot Start

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21
Q

Engine RPM and EGT stabilize after starter cutout, N2 RPM should be between ___?

A

54 -60%

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22
Q

Engine Power setting at 1.2 EPR require aft clearance of ___ feet minimum and settings above 1.2 EPR require aft clearance of minimum ___ feet?

A

1.2 EPR = 200 feet
Above 1.2 EPR = 500 feet

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23
Q

What is the required duct air pressure for engine start

A

20-60 PSI

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24
Q

If no Oil Pressure is observed within __ seconds of engine start, call “Stop Start” and terminate start.

A

30 seconds

25
Q

When the start selector is released at 35%, with No rise in Duct Pressure and Valve Open indicator is illuminated call ___ and complete what steps?

A

Call “No Cutout”, and set throttles to CUTOFF, Close Wing Isolation Valves, and Shut off starter Air Source

26
Q

___ occurs when EGT does not increase within 20 seconds after the throttle is moved to Idle.

A

Wet Start:
- Below 35% N2: set throttle to cutoff, hold starter switch to GND Start for 15 seconds to clear unburned fuel

27
Q

Sustained Fuel Flow at light off above 1400 PPH indicates ___?

A

Impending Hot Start
- Below 35% N2: set throttle to cutoff, hold starter switch to GND Start for 15 seconds to clear unburned fuel
- Above 35%: Throttles to cutoff, allow the engine to stop rotating and determine the cause before attempt another start

28
Q

EGT rapidly increasing or above 405 degrees C, indicates ___?

A

Impending Hot Start
- Below 35% N2: set throttle to cutoff, hold starter switch to GND Start for 15 seconds to clear unburned fuel
- Above 35%: Throttles to cutoff, allow the engine to stop rotating and determine the cause before attempting another start

29
Q

N1/N2 not increasing or increasing slowly, while EGT is rapidly increasing, indicates ___

A

Hung Start
- Set throttles to cutoff and hold start selector switch to GND Start for 15 seconds to clear fuel.
- Do Not attempt to restart until N2 RPM decreases to ZERO and cause has been determined

30
Q

N2 RPM below 54% two minutes after fuel on

A

Throttles Advanced
- Throttles to cutoff

31
Q

If start selector switch is released from GND Start below 35% N2

A

Set throttle to Cutoff, allow engine to stop rotation, motor for 15 seconds

32
Q

If ____ has tripped, do not reset until throttle is in Cutoff and start selector switch is in OFF position.

A

Start Control and Ignition CB (tailpipe fire or torching can result if CB is not reset first

33
Q

No drop in duct pressure or Valve Open indicator failed to illuminate when start selector switch set to GND Start

A

Failure to Start

34
Q

N2 and Oil Pressure do not increase

A

Failure to Start: Release the start switch immediately to prevent additional damage to starter due to sheared starter shaft

35
Q

If the ground crew reports tailpipe fire

A

Proceed as Wet/Hot Start and motor engine for 15 seconds

36
Q

Fuel Enrichment may be used when below __ degrees F and must be used when below __ degrees F.

A

maybe used: below 32F
will be used: below 0F

37
Q

Nacelle Anti-Ice will be used when ___

A

OAT is 10C or below and visible moisture present

38
Q

If Nose Cowl Anti-Icing Valve does not open within 1 second at Idle thrust, increase thrust to ____ N1

A

37-40%
DO NOT EXCEED 40%
-Failure to open within 1 sec indicates valve sticking due to corrosion
-Failure to open at 1.2 EPR, the valve failed

39
Q

If Low RPM light fails to go out during engine start, make how many attempts to close the generator breaker?

A

One attempt

40
Q

If Generator Breaker does not close, what actions do you take?

A

Shutdown that engine and have maintenance visually check the integrity of the IDG to verify if the IDG was disconnected

41
Q

If Low RPM light stays illuminated after restart, ___ and resume operation with generator ___.

A

disconnect IDG / inop

42
Q

If Generator Breaker closes, line comes on, and Low RPM light remains illuminated, the cause is ___.

A

Faulty speed sensing circuit

43
Q

If APU shuts down during power transfer or for no apparent cause have condition of ______ checked prior to any restart attempt

A

APU accessory drive shaft checked

44
Q

if any generator outside of limits (400 +/-8 Hz) with normal indications (No Low RPM light/Oil temp norm) what actions are required?

A

Shutdown Generator, ensure Fuel Flow is normal then disconnect IDG. Do Not Disconnect with abnormal FF

45
Q

LOW caution light illuminates when total fuel on board is below

A

9000 lbs

46
Q

Close tank refuel valves ____ below desired level to allow for valve closing

A

300 lbs

47
Q

Close tank refuel valves ____ below desired level when OAT is below -30 C to allow for valve closing

A

500 lbs

48
Q

Max fuel temperature is ____

A

52 C

49
Q

Draw Thru Cooling - Fan cutoff above ____ PSIG / Valve indicator off above _____ PSIG

A

1.0 PSIG / 2.0 PSIG

50
Q

Forced Air Cooling – Temperature in auto mode ____ F

A

40 F

51
Q

Aft Unpress mode _______

A

45 ˚ +/- 5 ˚F

52
Q

Max allowable operating duct temperature _____

A

100 ˚F

53
Q

LOW SPEED fans on _____ ft cabin pressure altitude or ___˚F during descent

A

4200 ft or 64 +/- 5 ˚F

54
Q

HIGH SPEED fan on ____ ft cabin pressure during ascent; supply air temp decreased below ____˚F

A

5000 / 64 +/- 5 ˚F

55
Q

Select a cabin pressure altitude between ________ ft for continuous operation.

A

5000 and 8000 ft

56
Q

Oxygen System capacity is ___ liters

A

75 liters

57
Q

Oxygen Low caution light on below _____ or _____

A

7.5 liters or below 42 PSIG

58
Q

Oxygen Normal operating pressure is ___ to ____

A

290 to 430 PSI

59
Q

Portable Oxygen Bottles Normal operating pressure is ___ to ____

A

275 to 430 PSI

Aircrew Fundamentals (10 decks)

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