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CRJ 900 > General > Flashcards

General Flashcards

1
Q

What doors does the CRJ 900 have

A 
Main passenger door
Galley service door (no stairs)
Avionics bay doors
Two FWD cargo bay doors
Aft cargo bay door
Aft
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2
Q

Emergency exits

A

6 exits plus one cockpit escape hatch
Main passenger door (Non-plug, type 1 doors)
Galley service door (Semi-plug, type 1)
4 wing emergency exits, 2 on each side (Plug, type 3)
-Only 2 on the CRJ 700

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3
Q

Plug type door

A

Opens inward. Pressurization keep the door in place.

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4
Q

Non-plug type door

A

Opens outward. Only latches keep the door from being pushed outward by differential pressure.

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5
Q

Semi-plug type doors

A

Mixture of plug and non plug

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6
Q

Type 1 exit doors

A

Big doors, level floor with no major steps (14 CFR 25.8070

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7
Q

Type 3 exit doors

A

Smaller. May have big steps up or down (14 CFR 25.807)

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8
Q

Main passenger door limitations

A

Max load capacity = 1000lbs
Max people on stairway = 4
4 locking pins (2 on each side)
2 upper latching cams

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9
Q

What is the box in the middle of the main door?

A

It’s a pressure relief flap to relief positive pressure inside the aircraft

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10
Q

What’s the wheel on the main door called?

A

Door support/assist wheel. It’s what causes the 1000lb weight limitation. This item is NOT in the MEL and cannot be deferred.

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11
Q

What holds the hand railing on the main passenger door in place?

A

There’s a locking pin that must be pushed all the way through. To put down the railing you have to pull the pin. Common test question.

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12
Q

Why are the main passenger doors painted

A

…

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13
Q

What are the green witness marks on the door for?

A

By aligning the green witness marks with the the interior green paint, it assures that the doors is positively latched. Additionally the DOORS page on the EICAS will tell you the condition of the doors

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14
Q

What kind of door is the cockpit emergency exit?

A

It’s a plug type door with an emergency rope

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15
Q

Galley service door

A

Type 1, semi-plug type door. No stairs. Has a silver hook that keeps the door open.

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16
Q

Over wing exit door

A

Plug type door. Has a lifeline with a caribeener. Not an MEL item and cannot be deferred.

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17
Q

Avionics bay door

A

Plug type door. You open this door on the outside but it moves inward and along rails. Allows maintenance people to access the avionics for fixes.

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18
Q

Aft cargo bay door

A

Plug type door, runs along tracks

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19
Q

Forward cargo doors

A

Semi-plug type door. Has pressure relief flap. All cargo areas are pressurized but only the aft compartment is air conditioned

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20
Q

Cargo limitations

A

Aft limit: 4375lbs
Forward limit: 850lbs
Aft: 75lbs/sqft
Forward: 30lbs/sqft

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21
Q

Aft equipment bay door

A

Located on the bottom aft fuselage. Unpressurized. Ventilated continuously. Outflow valve is next to the door.

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22
Q

Flight deck door

A
  • Prevents unauthorized access
  • Supposedly bulletproof
  • Locks via a slide lock
    • At each corner there’s a deadbolt knob which is used during lockdowns. Not used during normal ops as the door may become impossible to open again without maintenance.
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23
Q

EICAS door synoptic page

A

Shows the position of all doors. Doors are green when closed and locked. All doors are amber (caution) when open except the main passenger door which is red (warning)

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24
Q

Depressurization blowout panel

A

Allows the cabin to equalize to the pressure in the aft cargo bay during a depressurization

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25
Q

Correct seat placement

A

In the middle of the windscreen next to the compass, there are three dots. A white middle dot surrounded by two orange dots. You want to sit at the height where the three dots are aligned and can see over the glare shield.

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26
Q

Speed limitations

A 
VMO = 335kias
MMO = 0.85 (0.82 in RVSM)
VFE 1º/8º = 230kias
VFE 20º = 220kias
VFE 30º
VFE 45º
VLO extension
VLO retraction
VLE
Tire = 195kgs
Vmax ADG deployment = 
Turbulence penetration speed = 280kias/0.75mach
Vmax wiper = 250kias
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27
Q

What’s the most common flap setting to over speed?

A

30º

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28
Q

CRJ 900 max ramp weight

A

82,750lbs

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29
Q

CRJ900EP max ramp weight

A

85,000lbs

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30
Q

CRJ900 Max takeoff weight (MTOW)

A

82,500lbs

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31
Q

CRJ900EP max takeoff weight

A

84,500lbs

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32
Q

CRJ900 max landing weight (MLW)

A

73,500lbs

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33
Q

CRJ900EP max landing weight (MLW)

A

75,100lbs

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34
Q

CRJ900 max zero fuel weight (MZFW)

A

70,000lbs

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35
Q

CRJ900EP max zero fuel weight

A

70,750lbs

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36
Q

Minimum flight weight

A

45,000lbs

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37
Q

Max cargo bay aft capacity

A

4,375lbs (no more than 75lbs/sqft)

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38
Q

Max forward/center cargo bay capacity

A

850lbs (no more than 30lbs/sqft)

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39
Q

Max pressure refueling capacities

A

Total 19,594lbs
Mains (2) 7,492lbs each
Center 4,610lbs

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40
Q

Max gravity refueling capacities

A

Total 14,810lbs
Mains (2) 7,405lbs
Center N/A

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41
Q

Max aft cargo bay capacity (900EP)

A

3,740lbs

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42
Q

900 and 900EP wingspan

A 
900      =  76’3”
900EP  =  81’6”
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43
Q

Height of tail

A

24’1”

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44
Q

Turning radius (minimum pavement width)

A

80’1”

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45
Q

Minimum obstacle clearance for 180º turn

A

126’5”

46
Q

Aircraft Length

A

118’11”

47
Q

Horizontal stabilizer width

A

28’4”

48
Q

Main landing gear to main landing gear center width

A

13’6”

49
Q

Maximum operating airspeed (VMO)

A

335KIAS

50
Q

Maximum operating Mach number (MMO)

A

0.85 (0.82 in RVSM airspace)

51
Q

1º extension speed

A

230kias

52
Q

8º extension speed

A

230kias

53
Q

20º extension speed

A

220kias

54
Q

30º extension speed

A

185kias

55
Q

45º extension speed

A

170kias

56
Q

Max landing gear extension speed (VLO)

A

220kias

57
Q

Max landing gear retraction speed (VLO)

A

200kias

58
Q

Max landing gear extended speed (VLE)

A

220kias

59
Q

Max turbulence penetration speed

A

280kias or 0.75M whichever is slower

60
Q

Maximum operating altitude

A

41,000’

61
Q

Max airport pressure altitude for takeoff and landing

A

8000’

62
Q

Max demonstrated crosswind for takeoff

A

35kias

63
Q

Max demonstrated crosswind for landing

A

32kias

64
Q

Max demonstrated crosswind for takeoffs and landings on a slippery runway

A

15kts

65
Q

Max tailwind for takeoff and landing

A

10kts

66
Q

Max tire speed

A

195 knots groundspeed

67
Q

Max altitude for flight with flaps/slats extended

A

15,000’

68
Q

Max runway slopes for takeoff and landing

A

+/- 2º

69
Q

What type of flotation device is provided for the passengers

A

Seat cushions

70
Q

What type of flotation device is provided for the flight attendants

A

Live vests located near the flight attendants jump seats

71
Q

How many life vests are located in the flight deck?

A

3, one under each pilot seat and one to the left of the jump seat.

72
Q

What is the minimum crew oxygen system pressure for dispatch?

A

Listed in a chart in the CFM, chapter 4 (cockpit safety inspections)

73
Q

What is the full charge pressure for the crew oxygen system

A

1850psi

74
Q

When will the OXY LO PRESS caution appear on the EICAS?

A

Below 1410psi

75
Q

When will the crew oxygen system pressure relief occur?

A

2800PSI

76
Q

Where can the crew oxygen system pressure be read

A

On the STATUS page of the EICAS

77
Q

Where is the crew oxygen bottle located?

A

In a compartment just forward of the main entrance

78
Q

What is indicated if the green oxygen blowout disc is missing?

A

Possible overpressure has occurred in the crew oxygen system

79
Q

Where are the crew smoke goggles located?

A

The goggles are either part of oxygen mask or stored under the oxygen mask

80
Q

What supplies oxygen to the passenger oxygen masks?

A

Chemical oxygen generators

81
Q

How many passenger oxygen masks are there in each row?

A

2 masks per row on the left side, 3 masks per row on the right side

82
Q

How many emergency flashlights are there in the flight deck?

A

2, one behind each pilot seat.

83
Q

What is the power source for the emergency lighting system?

A

5, 6vdc, battery packs located throughout the cabin. Each one powers a different section.

84
Q

How long will the emergency lights illuminate if the battery packs are fully charged?

A

Approximately 10 minutes

85
Q

Can the flight attendants turn on the emergency lights if the flight deck switch is turned off?

A

Yes. The have a separate switch near the cabin door.

86
Q

How many passenger emergency exits are there?

A

6

87
Q

Which doors can be used by passengers as emergency exits?

A

Main passenger door (type 1)
Galley service door (Type 1)
Overwing emergency exits (type 3)

88
Q

Where are the VHF communication antennae located?

A

VHF 1 is located on the top of the fuselage
VHF 2 is located on the bottom side of the fuselage
VHF 3 is located on top of the fuselage further aft then VHF 3

89
Q

Will the flight deck PA override the flight attendant PA?

A

Yes

90
Q

How are the flight attendants contacted in an emergency?

A
  1. ) TUrn the audio control panel knob to PA
  2. ) Press the EMER call light switch
    • This will create a high/low chime in the cabin, flash an amber EMER switchlight on the FA’s handset cradle, and flash a red light on the mid-cabin, overhead exit sign.
91
Q

Which indication does the flight deck receive if a FA is calling?

A

A high/low chime sounds in the flight deck, and either the CALL or EMER light will illuminate on the center pedestal depending on the selection made on the FA’s handset cradle.

92
Q

How many Air Data Computer’s are installed?

A

2

93
Q

How many AHRS or IRS computers are installed?

A

2

94
Q

In MAG mode how long does it take the AHRS system to initialize?

A

30-70 seconds

95
Q

in DG mode how long does it take the AHRS to initialize?

A

10-11 minutes

96
Q

What sends information to the captains flight instruments?

A

ADC 1

97
Q

What sends information to the FO’s flight instruments?

A

ADC 2

98
Q

What sends pitot-static information to ADC 1?

A

Pitot-static probe 1 (PS-1) on the left side of the nose.

99
Q

What sends pitot-static information to ADC 2?

A

Pitot-static probe 2 (PS-2) on the right side of the nose

100
Q

From which source does the integrated standby instrument receive pitot-static information?

A

From PS-3 under the left side-window, and 2 static ports (S3) on either side of the lower, forward fuselage

101
Q

Where is the total air temperature probe located?

A

Under the right, side window

102
Q

What is the definition of total air temperature (TAT)?

A

Air temperature corrected for compressibility and friction

103
Q

On the ground with the probe heat switch selected ON, which air data probes are heated?

A

All 3 pitot-heads are heated at 50% power while their bases remain unheated.

104
Q

Which air data probes are heated in flight with the probe heat switch selected off?

A

All probes are heated regardless of switch position in flight

105
Q

Is there a LOC and GS indication on the Integrated Standby Instrument?

A

Yes, but know that the ISI recieves nav data from NAV 1 only

106
Q

When will the radio altitude digital readout be displayed?

A

0-2500’AGL

107
Q

When will the green radio altitude tape be displayed?

A

0-1000’AGL

108
Q

When will the yellow hashed rinsing runway indication be displayed on the radio altitude tape?

A

0-200’AGL

109
Q

What does the speed trend vector indicate?

A

Predicted airspeed in 10s

110
Q

When will the MACH readout appear above the airspeed tape?

A

Appears when accelerating through 0.45M and disappears slowing through 0.4M

111
Q

Where is the slip and skid indicator located?

A

A solid rectangle under the sky pointer

CRJ 900 (23 decks)

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