M11.3 Flashcards

1
Q

How far apart are frames in the fuselage?

A

20 inches

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2
Q

Where is the keel beam located?

A

In the centre wing section

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3
Q

Where are pressure seals used?

A

Where cables or rods pass through pressure bulkheads

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4
Q

What are seals around a door used for?

A

Preventing loss of pressure and rain getting in

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5
Q

What are the seat tracks in the cabin also know as?

A

L-tracks

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6
Q

What is used to hold luggage, freight, etc in the cargo bay?

A

A unit load device (ULD)

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7
Q

What is a anti-roll out device (ARO)?

A

A device on the cargo door that automatically lowers when cargo comes in and stays up when cargo wants to come out

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8
Q

When is a flight deck door required?

A

When the aircraft carriers more than 60 people or weighs more than 45,500kg

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9
Q

What are flight deck doors made from?

A

Glass reinforced polymers, Kevlar, dyneema

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10
Q

Why is there a hatch in the lower half of the flight deck door?

A

For evacuation in emergency

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11
Q

What is different from the bulk cargo door compared to the side cargo doors?

A

The bulk cargo door is opened inwards and manually

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12
Q

On airbus what connects to cargo door to the fuselage?

A

A piano hinge

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13
Q

How many lock sectors does the master latch lock torque tube operate?

A

8

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14
Q

What are the two forward flight deck windows known as?

A

Flight deck windscreen windows

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15
Q

Where is the heating film located on the flight deck windows?

A

On the inner surface of the outer glass

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16
Q

What are the L2,L3,R2,R3 flight deck windows made out of?

A

Two layers of stretched acrylic glass

17
Q

What part of the aircraft is not biometrically sealed?

A

The windscreen windows in the flight deck

18
Q

What is placed in between the windows and frames to bond them together?

A

A silicon seal

19
Q

Why is there a small vent hole in the inner glass pane on cabin windows?

A

To keep equal pressure

20
Q

What is the upper skin of a wing made from?

A

Aluminium-zinc alloy

21
Q

What is the lower skin of a wing made from?

A

Premium-copper alloy

22
Q

What is the landing gear support arm sometimes called?

A

False rear spar

23
Q

What is the nose cap of the leading edge made from?

A

Aluminium alloy

24
Q

What are the two types of construction for a horizontal stabiliser?

A
  • 1 piece

- 3 piece

25
Q

What is a dorsal fin used for?

A

To smoothly connect the vertical stabiliser to the fuselage

26
Q

What is a dorsal fin made from?

A

Machined aluminium skin

27
Q

What are surface hinges used for?

A

To connect the flying controls to the structure

28
Q

What are the names for the two types of surface hinges?

A

One is a primary or master hinge and the other is a normal hinge

29
Q

What is a fail safe bolt in a hinge?

A

It consists of a outer and a inner bolt just in case one fails

30
Q

How is surface flutter overcome?

A

By using hydraulics or static balancing

31
Q

What is needed to get the zero position for a elevator or rudder?

A

An index plate

32
Q

What is the job of the pylon?

A

To connect the nacelle to the wing