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CRJ Limitations > CBTs > Flashcards

CBTs Flashcards

1
Q

Minimum runway width for a 180 turn?

A

24,40 m

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2
Q

Oxygen indication, green, if pressure greater than

A

1410 PSI

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3
Q

Oxygen automatically deployed if cabin altitude greater than

A

14000 ft

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4
Q

Initial takeoff phase starts when

A

N1 >= TO PWR, WOW, IAS < 100 kt

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5
Q

Final takeoff phase when

A

Both N1 at TO PWR, IAS > 100 kt

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6
Q

Takeoff phase ends when

A

Both N1 < TO PWR, RA > 400 ft or after 30s ground/air

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7
Q

Landing phase starts when

A

RA < 400 ft, gear down and locked

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8
Q

Landing phase ends, when

A

30 s after air/ground transition

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9
Q

Engine start starter cut out at what RPM?

A

50-60% N2

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10
Q

If the signs are on auto, when are they on?

A

On with gear extended or cabin altitude > 10,000 feet,
additionally, seatbelt signs on with flaps > zero

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11
Q

IAPS

A

Integrated avionics processing system

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12
Q

AHRS hängt an welchem BUS?

A

DC ESS BUS

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13
Q

ADCU

A

Automatic deploy control unit

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14
Q

What’s the power source logic?

A
  1. Onside IDG
  2. APU
  3. Offside IDG
  4. External power
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15
Q

EICAS electrical green indications? V and Hz

A

100-125v
375-425 Hz

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16
Q

Max generator load?

A

40kVA

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17
Q

The main battery charger is powered by which bus?

A

AC BUS 1

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18
Q

By which bus is the APU battery charger powered?

A

AC SERV BUS

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19
Q

What are the reasons for an amber IDG?

A

Low oil pressure
high oil temperature

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20
Q

What happens if a generator is removed from a BUS due to overcurrent?

A

The auto transfer is inhibited

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21
Q

What is inoperative if there is a DC EMER BUS fault?

A

Fire extinguishing systems (Fire and smokes detection is still operative)
No APU

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22
Q

Bei welchen elektrischen Fehlern gilt: land at the nearest suitable airport?

A

DC EMER BUS
BAT BUSS
DC ESS BUS

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23
Q

How many stages does the low pressure turbine have?

A

4

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24
Q

How many stages does the compressor rotor have?

A

10

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25
Q

How many stages does the high-pressure turbine have?

A

2

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26
Q

Where is the ITT measured?

A

Between high-pressure and low pressure turbine

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27
Q

Above which RPM does the FADEC alternator supply the FADEC?

A

50% N2

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28
Q

What drop in N1 triggers the one engine only fuel schedule on the other engine?

A

15%

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29
Q

What’s the N1 synchronization difference?

A

1,5%

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30
Q

What’s the N2 synchronization difference?

A

7,5%

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31
Q

What’s that maximum flex below APR thrust?

A

22%

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32
Q

What’s the APR thrust time limit?

A

5 min

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33
Q

At what pressure do you get a L/R fuel filter msg?

A

16-19 psi

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34
Q

At what pressure does the fuel filter bypass open?

A

22-27 psi

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35
Q

When does the engine overspeed protect protection kick in?

A

107% N2

36
Q

When do you get an oil level low msg?

A

<57% with engines running
< 80% with engines shutdown

37
Q

Oil temperature green up to

A

155 degrees, rot ab 164

38
Q

By which BUS is ignition A powered?

A

AC ESS BUS

39
Q

By which BUS is ignition B powered?

A

DC BATT BUS (via static inverter)

40
Q

When do we use continuous ignition?

A

Contaminated runway
Moderate/heavy rain or turbulence
Thunderstorms in the vicinity

41
Q

Is it allowed to flex with anti-ice on?

A

No

42
Q

What are the idle parameters of the engine?

A

N1 25 %
N2 60 %
Oil pressure 25 - 95 psi

43
Q

What’s the engine shut down minimum cooling time?

A

2 min

44
Q

Where do you have a hot and hung start protection?

A

Only on ground not in Flight

45
Q

Can a deployed reverser in flight be restored?

A

No, it will remain open

46
Q

How many locks are unlocked if REV unlocked?

A

2 out of 3 locks are unlocked, but the reverser is still stowed

47
Q

What does this mean? APR CMD SET

A

It means that APR command is set
It happens when the cross talk from engine to engine is interrupted (for example, if total N1 sensor failure)

48
Q

What does this mean? L THROTTLE

A

Both data lines on one side failed,
No TLA info,
FADEC keeps last valid thrust rating

49
Q

Is the ITT controlled by FADEC?

A

No

50
Q

ACSC

A

Air-conditioning system controller

51
Q

AILC

A

And ice and leak detection controller

52
Q

Is the APU bleed used for anti ice?

A

No only for ECS

53
Q

When is APU bleed air used if available?

A

During takeoff landing and on ground

54
Q

When does bleed transfer take place?

A

When gear up and thrust levers out of TOGA (If no anti ice)
Or
When gear down or flaps > 20

55
Q

The PRSOV limits the pressure to..?

A

45 +- 3 psi

56
Q

From which compressor stage is bleed, air taken?

A

6th and 10th

57
Q

What does this mean? L ENG BLEED

A

Eg. Excessive pressure or temperature

58
Q

What does this mean? L BLEED DUCT

A

Overheat Detection leak, if the warning persists after 30 seconds, the offside bleed valve closes also and the aircraft is unpressurized

59
Q

RARV

A

Ram air regulating valve

60
Q

How much pack Air goes to the cockpit and to the cabin?

A

15% cockpit, 85% cabin

61
Q

What percentage of total air can be a recirculated?

A

34%

62
Q

Minimum speed for ram air on?

A

210 kt

63
Q

In which pack does the ram Air go?

A

The right pack

64
Q

Max cabin pressure?

A

8,6, -0,5 psi

65
Q

Cabin ALT, caution, if

A

> 8500 ft

66
Q

Cabin ALT warning, if

A

> 10000 ft

67
Q

What does this mean? L PACK TEMP

A

Temperature not between 5 and 85

68
Q

Hydraulic quantity during preflight should be between?

A

45% to 85%

69
Q

When does the hydraulic fluid temperature turn Amber?

A

> 95 degrees

70
Q

When do the ACMPs operate in AUTO position?

A

When the flaps are out of 0, and any generator is online

71
Q

When do the ACMPs 1B, 2B, 3B turn off?

A

When the flaps are at 0 after takeoff

72
Q

How’s the hydraulic system three cooled?

A

By Fuel

73
Q

In which control circuit is the autopilot for the aileron installed?

A

The right one

74
Q

In which control system is the autopilot for the elevator installed?

A

The left one

75
Q

In which control circuit is the stickpusher installed?

A

The right one

76
Q

When do the ground spoilers deploy?

A
  1. RA < 10 ft
  2. Left or right WOW
  3. Left or right wheel speed > 16 kt
    (2 von 3 must be fulfilled)
77
Q

When do the MFS deploy?

A
  1. RA < 10 ft
  2. Left and right WOW
  3. Left and right wheel speed > 16 kt
    (2 von 3 must be fulfilled)
78
Q

Was zeigt der Beginn des roten Bandes?

A

1.06 Vs in Final config

79
Q

The outboard brakes are controlled by which hydraulic system?

A

2

80
Q

The inboard brakes are controlled by which hydraulic system?

A

3

81
Q

Normal gear extension is powered by which hydraulic system?

A

3

82
Q

The parking brake is controlled by which hydraulics system?

A

3

83
Q

Free fall off the main landing gear is assisted by which hydraulic system?

A

2

84
Q

When is the brake temperature monitoring system green, white or red?

A

Green 0-6
White 7-14
Red 15-20

85
Q

How many discharge bottles are there for both engines?

A

2

86
Q

When do the Fuel transfer shut off valves open?

A

When the wing quantity is < 93%

CRJ Limitations (5 decks)

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