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GoJet CRJ-550 > Limitations > Flashcards

Limitations Flashcards

1
Q

*CRJ-550 Structural Weight Limitations.

A

Maximum Taxi and Ramp Weight - 66 000 lb.
Maximum Take-Off Weight - 65 000 lb.
Maximum Landing Weight - 61 000 lb.
Maximum Zero Fuel Weight - 59 000 lb.

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2
Q

*CRJ- 700 Structural Weight Limitations

A

Maximum Taxi and Ramp Weight - 75 250 lb.
Maximum Take-Off Weight - 75 000 lb.
Maximum Landing Weight - 67 000 lb.
Maximum Zero Fuel Weight - 62 300 lb.

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3
Q

Maximum airport pressure altitude for take-off and landing.

A

8 000 ft.

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4
Q

Maximum operating altitude.

A

41 000 ft.

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5
Q

Maximum ambient temperature for take-off and landing.

A

ISA+35°C

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6
Q

Minimum ambient temperature for take-off.

A

-40°C (-40°F).

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7
Q

*When must the Cowl Anti-Ice System be on on the ground?

A

When the outside air temperature is 10°C (50°F) or below and;
1 - Visible moisture in any form is present (fog with visibility less than 1 mile/1500 m, rain, snow, sleet and ice crystals).
2 - Operating on runways, ramps or taxiways where surface snow, ice, standing water or slush is present.

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8
Q

*When must the Cowl Anti-Ice system be on in flight?

A

When encountering icing conditions or ICE is annunciated by the ice detection system.

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9
Q

*What defines icing conditions in flight?

A

SAT is above -40°C (-40°F) and TAT is 10°C (50°F) or below and visible moisture is present in any form (cloud, rain, snow, ice crystals).

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10
Q

*When must the Wing Anti-Ice System be on on the ground?

A

Must be on for take-off when the outside air temperature is 5°C (41°F) or below and visible moisture is present or the runway is contaminated with surface snow, slush or standing water.

When type 2 and 4 anti-icing fluids have been applied, the system must only be selected on just prior to thrust increase for take-off.

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11
Q

*When must the Wing Anti-Ice System be on in flight?

A

When icing conditions exist and the airspeed is below 230 KIAS or ICE is annunciated on the ice detection system.

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12
Q

*What limitations apply to holding in icing conditions?

A

Flaps and slats must not be extended.

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13
Q

*What limitations apply to flight in areas of large supercooled water droplets?

A

Indicated by ice accretion on the flight deck side windows.

Continued operation is prohibited.

If encountering these conditions the Wing and Cowl Anti-Ice Systems must be on and the pilot should escape these conditions.

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14
Q

*How is a pilot able to determine if large supercooled water droplets are present?

A

Ice accretion on the flight deck side windows.

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15
Q

*What are the CRJ-550 surface critical areas?

A

Wings, upper fuselage, horizontal stabiliser, vertical stabiliser, control surfaces and engine inlets.

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16
Q

*When is take-off prohibited?

A

When frost, ice, snow or slush adheres to any critical surface areas.

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17
Q

Can take-off be made if any frost adheres to the aircraft surface?

A

Yes, under the following conditions.

1 - It may be present on the upper fuselage if surface features are able to be distinguished.
2 - 1/8 of an inch may adhere to the underside of the wing caused by cold soaked fuel.

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18
Q

What is the maximum runway slope allowed for take-off and landing?

A

A maximum of 2% uphill or downhill.

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19
Q

*What is the maximum tailwind component for take-off and landing?

A

10 kt.

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20
Q

Can the flight deck door be opened in flight? What are the procedures?

A

Generally no. However the door may be opened to allow a pilot to enter and leave the flight deck if flight crew physiological needs dictate.
A flight attendant must occupy the control seat if a pilot leaves the flight deck and the remaining pilot must wear the oxygen mask if above FL250.
A challenge and response closing and locking verification must be used to ensure the flight deck door is locked.

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21
Q

What is the maximum weight allowable in the cargo compartments of the CRJ-550?

A

FWD - 1000 lb.

AFT - 3740 lb and 2710 lb.

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22
Q

What engines power the CRJ-550/700?

A

Two General Electric high bypass turbofan engines.

CF34-8C5B1.

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23
Q

Describe the engine warm-up limitations.

A

The engine must remain at idle until oil pressure reaches the normal operating range.
Do not exceed 75% N1 for two minutes after starts or until all engine indications are in the normal range, whichever is longer.

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24
Q

*When can the crew use the engines HIGH PWR SCHEDULE switchlight?

A

Never.

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25
Q

*What is the maximum ITT before attempting a ground start?

A

120°C.

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26
Q

*What is the maximum oil pressure limitation after a ground start?

A

182 psi, but it cannot be greater than 95 psi for a maximum of ten minutes.

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27
Q

*What limitations apply to normal take-off power and maximum power (2 engines)?

A

5 minutes.

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28
Q

*What limitations apply to APR on one engine?

A

10 minutes.

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29
Q

*Under what circumstances must continuous engine ignition be used?

A

Take-off and landing on contaminated runways.
Flight through moderate or heavy intensity rain.
Flight through moderate or heavy intensity turbulence.
Flight in the vicinity of thunderstorms.

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30
Q

*When is the use of Reduced/FLEX thrust for take-off not authorised?

A

Wing and/or cowl anti-ice bleeds are in use.

Runway is contaminated with standing water, slush, snow or ice (unless its a wet runway and the pilot selects ‘WET’ runway performance data on the FMS)

Warnings or forecasts of windshear or down drafts exist.

The anti-skid system is inoperative.

The engine cannot achieve full rated thrust (as noted by maintenance).

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31
Q

*What are the engine starter cranking limits for a ground start?

A

Starts 1 and 2 - 90 second on followed by a 10 second cool down.
Starts 3 through 5 - 90 seconds on followed by a 5 minute cool down.

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32
Q

*What are the engine starter cranking limits for an air start?

A

Start 1 - 120 seconds on followed by a 10 second cool down.

Starts 2 through 5 - 60 seconds on followed by a 5 minute cool down.

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33
Q

*What are the engine starter cranking limits for dry motoring on the ground?

A

Start 1 - 90 seconds on followed by a 5 minute cool down.

Starts 2 through 5 - 30 seconds on followed by a 5 minute cool down.

34
Q

*What is the maximum fuel imbalance between the left and right tanks?

A

300 lb for take-off, otherwise 800 lb.

35
Q

What is the maximum fuel load for the CRJ-550?

A

Total
19 594 lb (pressure fuelled) or
14 580 lb (gravity fuelled).

Left wing - 7492 lb (7290 lb if gravity fuelled).
Right wing - 7492 lb (7290 lb if gravity fuelled).
Centre - 4610 lb.

36
Q

*What limitations apply to the centre fuel tank?

A

Take-off with a fuel load in excess of 500 lb in the centre tank is not permitted unless there is 4400 lb of fuel in each wing tank.

37
Q

What is the minimum amount of fuel required for a go-around?

A

600 lb in each wing tank, assuming not more than 10° pitch up.

38
Q

What limitations apply to fuel cross flow?

A

It must be OFF for take-off.

39
Q

*What limitations apply to the APU starter motor cycle?

A

Not more than 3 starts or start attempts within 1 hour.

Additionally, a 2 minute period is required between APU start attempts to allow for cooling and fuel drainage.

40
Q

What is the ambient minimum temperature for starting a cold-soaked APU in the ground?

A

-40°C (-40°F).

41
Q

What is the maximum permissible load on the APU generator?

A

40 kVA.

42
Q

*What is the maximum cruise MACH of the CRJ-700 during flight in RVSM?

A

0.83 MACH.

43
Q

*What are the flap extension speeds of the CRJ-550?

A 
Flaps 1 - 230 kt.
Flaps 8 - 230 kt.
Flaps 20 - 230 kt.
Flaps 30 - 185 kt.
Flaps 45 - 170 kt.
44
Q

*What are the maximum landing gear operating speeds?

A

Extension - 220 kt.
Down and locked - 220 kt.
Retraction - 200 kt.

45
Q

What is the maximum tyre speed of the CRJ-550/700?

A

182 kt.

46
Q

*What is the turbulence penetration speed?

A

280 kt or 0.75 MACH, whichever is lesser.

47
Q

What are the windshield wiper operating limitations?

A

Must not be operated above 250 kt.

If the wiper has failed in a non-parked position speed is limited to 250 kt.

48
Q

What is the maximum cabin pressure differential in flight?

A
  1. 7 psi +ve.

0. 5 psi -ve.

49
Q

What is the maximum cabin pressure differential during take-off, landing and taxi?

A

0.1 psi.

50
Q

What limitation applies to the use of the EMERG DEPRESS switch?

A

It cannot be used above 15 000 ft.

51
Q

What is the maximum altitude for single pack operation in the CRJ-550/700?

A

31 000 ft.

52
Q

*What minimum altitudes is the use of autopilot prohibited?

A

Below 600 ft on take-off.
Below 400 ft on a non-precision approach.
ILS GS 3.5 degrees or less - Below 80 ft.
ILS GS greater than 3.5 and 4.0 degrees - Below 120 ft if 4000 ft or below.
ILS GS greater than 4.0 degrees - Prohibited.

53
Q

What limitation applies to the use of autopilot in RVSM airspace?

A

The ADC source coupled to the active autopilot must be the same as that coupled to the ATC transponder.

54
Q

What is the maximum continuous load on each TRU in flight?

A

120 amps.

55
Q

*To protect the CRT displays, what is the maximum time for ground operations with DC power?

A

5 minutes.

56
Q

*When is the use of flaps/slats prohibited?

A

Enroute and anytime above 15 000 ft.

57
Q

*When is the use of the flight spoilers prohibited?

A

Below 300 ft AGL or, to ensure adequate maneuvre margins, at airspeeds below the recommended approach speeds plus 10 kt.

58
Q

When is the use of thrust reversers prohibited?

A

In flight.

59
Q

When is a go around prohibited?

A

After use of the thrust reversers on landing.

60
Q

If a thrust reverser icon is EICAS warning or caution message is displayed;

A

Take-off is prohibited.

61
Q

What limitations apply to the use of thrust reversers on landing?

A

Maximum reverse thrust is prohibited below 75 kt and reverse idle should be achieved by 60 kt.

62
Q

*When must the taxi lights be switched off?

A

If the aircraft has been stationary in excess of 10 minutes.

63
Q

What navigation limitations apply to alternate airport selection?

A

The airport must be served by an approach other than a GPS approach, the aircraft must be suitably equipped and that aid must be operational.

64
Q

On take-off, what is the target thrust setting tolerance?

A

1% N1.

65
Q

*What is the maximum allowable ITT during engine start?

A

815ºC.

66
Q

What is the maximum allowable ITT before attempting an engine start?

A

120ºC on the ground.

90ºC in the air.

67
Q

After start, what limitations apply to the oil pressure indication?

A

Should be positive when starting.
May peak beyond 182 psi (amber dashes).
Must fall below 95 psi after 10 minutes.

68
Q

What is a cold soaked airplane and what limitations apply?

A

Before the first flight of the day, be -30ºC or below for more than 8 hours.
Motor the engine for 60 seconds and verify fan rotation before start.
Thrust reversers must be actuated until the deploy and stow cycles are 2 seconds or less.

69
Q

When must the starter motor not be used?

A

When N2 RPM exceeds 45%.

If ITT is below 120ºC (ground) or 90ºC (air) thrust lever movement to start is permitted.

70
Q

What are the windmilling relight start limitations?

A

Must be below 25 000 ft.
Speed 250 kt to VMO.
Minimum 7.2% N2.

71
Q

What are the starter assisted relight procedure limitations?

A

Must be 21 000 ft or below.
Speed VREF up to VMO.
0% - 45% N2.

72
Q

What are the all engine out rapid relight limitations?

A

10 000 ft or below.

Demonstrated to 200 kt.

73
Q

What is the minimum fuel required in the tanks for a go-around?

A

600 lb per wing tank.

74
Q

What is the maximum fuel imbalance permitted on the ground?

A

2500 lb.

75
Q

What is the maximum APU RPM?

A

106%.

76
Q

What is the maximum APU EGT?

A

1038ºC.

77
Q

What is the maximum load permissible on the APU generator?

A

40 kVa.

78
Q

What is the maximum altitude for APU bleed air extraction?

A

25 000 ft.

79
Q

What defines icing conditions in flight?

A

SAT above -40 C, TAT of 10 C or below and visible moisture is present in any form.

80
Q

What limitations does carrying cargo in the cargo conpartment impose?

A

The flight must be within 60 minutes of a suitable airport at all times (fire extinguising feature).

GoJet CRJ-550 (20 decks)

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