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Module 11 > Doors & Emergency Exits > Flashcards

Doors & Emergency Exits Flashcards

1
Q

How are doors classified?

A

Classified by function

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2
Q

What are the three door classifications and what are they?

A

Main entry doors (MED plug type)allows for quick,safe,effective loading & unloading of passengers & equipment also used as emergency exit

Service doors (non plug type)provides access to systems such as toilet waste system & potable water system for servicing

Cargo doors(non-plug types)provides access to forward,aft & bulk cargo compartments

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3
Q

Where would you find passengers main entry doors (MEDs)?

A

On right & left side of fuselage

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4
Q

How are passengers main entry doors numbered?

A

From nose to tail

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5
Q

Can MEDs be used as emergency exits?

A

Yes

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6
Q

What does the door structure house?

A

Opening,locking & emergency mechanisms

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7
Q

What does a door structure consist of?

A

-door frame
-beams (main structure)
-formers
-intercostals

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8
Q

What does a door frame stop do?

A

Holds doors closed when cabin is pressurised

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9
Q

What are the functions of a door seal?

A

-stopping pressurisation air leaks (pressure seals)
-stopping light transmission (light seals)
-reducing noise transmission (acoustic seals)
-reducing thermal transmission (thermal seals)
-improving aerodynamic smoothness

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10
Q

On what principle do door seals operate?

A

Elastic deformation

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11
Q

What are the 4 common seal shapes?

A

-bulb type seals
-diaphragm seals
-flap type seals (blade seals)
-multi form seals (combination or forms)

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12
Q

What is the requirement for a flight deck door?

A

Must be secure for passenger aircraft

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13
Q

What type of door are emergency exits typically?

A

Plug type

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14
Q

What do emergency exits typically have for pressure?

A

Pressure indicator light

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15
Q

What does a door synoptic display indicate the status of?

A

-equipment centre access doors
-passenger entry doors (PEDs)
-Cargo compartment doors

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16
Q

What are the two modes and their colours for aircraft doos?

A

-auto (green)
-manual (white)

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17
Q

What should all windows allow for?

A

Maximum visibility

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18
Q

What do flight deck windows have additional protection for?

A

Bird strikes and ice buildup

19
Q

Name the 3 window locations?

A

-flight deck windows
-cabin windows
-observer windows

20
Q

What type of window do small unpressurised aircraft use?

A

Single pane of plastic

21
Q

What 2 types of windows do pressurised aircraft typically have?

A

-passenger windows
-flight deck windows

22
Q

What type of window are passenger windows?

A

Fixed plug type window

23
Q

Why do windows have 2 panes?

A

Failsafe design

24
Q

What is the third non-structural pane used on passenger windows?

A

Noise reduction

25
Q

How many flight deck windows are in a typical aircraft?

A

6

26
Q

How are flight deck windows typically numbered?

A

Symmetrically

27
Q

What are flight deck windows typically structured from?

A

Laminates of tempered glass and plastic

28
Q

What do opening/sliding windows provide?

A

Means of emergency escape

29
Q

What are the damage types for flight deck windows?

A

-delaminating & bubbles
-chips,cracking or serrations.

30
Q

What is delaminating on a window?

A

Separation of glass/acrylic from the inter layer

31
Q

Are small bubbles in vinyl layer of windows delaminating and are they dangerous ?

A

No and no

32
Q

When may bubbles in a window cause a need for replacement?

A

When they decrease visual quality

33
Q

When would a flight deck window require replacement?

A

-cracks or hips on the inner glass pane
-cracks in the outer glass pane
-cracks in the vinyl ply that prevents vision through the window
-scratches more than 0.002” in depth

34
Q

What should you check for on a passenger window inspection?

A

-crazing
-crack
-scratch
-chips
-V-shaped chips
-in plane cracking

35
Q

What is the minimum grit allowable for sandpaper used on windows?

A

100

36
Q

What are the wing design factors?

A

-size
-weight
-use of aircraft
-speed in flight
-desired rate of climb
-landing

37
Q

What are the main wing designs?

A

-mono-spar
-multi-spar
-box beam

38
Q

What type of design are the majority of aircraft wings?

A

Cantilever design

39
Q

What are wing spars?

A

Principal structural members of a wing

40
Q

What are wing ribs?

A

Structural cross pieces

41
Q

Is the wing tip removable?

A

Yes

42
Q

Why is the wing tip removable?

A

Damage prone

43
Q

What is the wing skin designed to do?

A

Designed to carry flight & ground loads

Module 11 (64 decks)

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