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Dispatch Final Review > Final Review > Flashcards

Final Review Flashcards

1
Q

What are the Aircraft’s dimensions?

A

Length (nose to tail) 119’ 7”
Height 36’ 3”
Width (wing tip to wing tip) 94’ 9”

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2
Q

What are the weight limitations of the aircraft?

A 
Ramp/taxi weight 144 000
T/O weight 143 500
Landing weight 121 000
Zero Fuel weight 113 000
Empty weigth 77 100
Maximum Payload 35900
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3
Q

Main engine manufacturer?

A

CFM International CFM56-3

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4
Q

How many seats does the Aircraft have?

A

8 first class + 138 economy

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5
Q

What is the maximum operating latitude of the aircraft?

A

73 degrees North and 30 degrees South

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6
Q

How many members of the flight crew are required?

A

2 pilots

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7
Q

What is the maximum and minimum runway slope?

A

+/-2 degrees

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8
Q

Maximum tailwind component of the aircraft?

A

15 knots

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9
Q

What is the max differential pressure?

A

8.65 PSI

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10
Q

What is the max differential pressure for TO/LND?

A

.125 PSI

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11
Q

How much TO thrust do the engines have?

A

22000 lbs.

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12
Q

How many fuel tanks does the aircraft have?

A
  1. 2 main wing tanks and 1 center tank.
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13
Q

If the center tank is carrying more than 1000 lbs of fuel how much fuel must be in the 2 wing tanks?

A

The 2 wing tanks must be full of fuel. Each must be carrying 10000 lbs.

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14
Q

How many fuel boost pumps does the aircraft have?

A
  1. One powered by each engine.
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15
Q

Can one side of the fuel system feed the other sides engine?

A

Yes, through the crossfeed valve.

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16
Q

What does the crossfeed valve do?

A

It allows fueling from one side of the system to the other in case of malfunction.

17
Q

How many mechanical fuel pumps does the aircraft have?

A

6, 2 in each fuel tank.

18
Q

How are the fuel pumps powered?

A

Electrical.

19
Q

How are the engines fueled if the electrical pumps are not available?

A

The engine-driven pumps provide suction and the engine draws fuel in through the bypass valves.

20
Q

What are engine fuel shutoff valves used for?

A

To cutoff fuel flow in case of an engine fire. Each engine has one. They are operated by the DC hot battery bus.

21
Q

What does the fuel manifold do?

A

The fuel manifold directs fuel to either engine from any tank. It is powered by the DC hot battery bus.

22
Q

What does the center tank scavenge pump do?

A

The center scavenge pump empties the fuel remaining in the center tank into tank 1.

23
Q

How is the APU fueled?

A

The APU is fueled by AC electrical power if the system is operating normally or by suction if the electrical system is inoperative.

24
Q

Where is rapid fueling/defueling done?

A

From tank 2.

25
Q

Can the aircraft do over-wing fueling?

A

Yes, each main tank has a gravity fed receptacle for over-wing fueling.

26
Q

What lateral imbalance is allowed to be used?

A

Lateral imbalance between the 2 main tanks must be 0. Random imbalance must not exceed 1000lbs.

27
Q

Where does conditioned air come from?

A

Conditioned are come from one of 2 AC packs in the air conditioning system.

28
Q

Where does the air used by the AC packs come from?

A

Bleed air from the 5th and 9th stage of the engines

29
Q

Which AC pack conditions the flight cabin?

A

The left pack.

30
Q

Where does the excess air from the left pack go?

A

The excess air from the left pack mixes with air from the right pack and the recirculation system in the mixed manifold before being distributed into the passenger cabin.

31
Q

What do recirculation fans do?

A

They try to economize the use of bleed air by circulating cabin air back into the mixed manifold to be mixed with temperature controlled bleed air.

32
Q

What are the three sources of bleed air?

A

Engine bleed air, from the 5th and 9th stage, bleed air from the APU and an external ground source when the engines are off.

33
Q

Where does the preconditioned ground air source connect to the aircraft?

A

Directly to the mixed manifold.

34
Q

What is the APU?

A

The APU is a self-contained turbine engine located under the tail assembly.

35
Q

What does the APU do?

A

The APU provides start up power, back up air and back up power to the electrical systems.

36
Q

At what speed does the APU run?

A

The APU runs at a constant speed. It is either on or off. The speed does not vary.

37
Q

Who makes the APU?

A

Garrett. Either the 85-129 or the 36-280.

38
Q

What are class A, B and C fires?

A

A - material
B - liquid
C - electrical

Dispatch Final Review (1 decks)

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