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A321 > Door > Flashcards

Door Flashcards

1
Q

How many door does A/C have ?

A
  • 4 passenger door
  • 4 emer exit door
  • Cockpit emer exits (2 sliding windows)
  • 3 cargo door
  • 4 avionic access door
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2
Q

Passenger door

What are the emergency feature of doors ?

A
  • A slide
  • A damper actuator
  • A slide arming lever
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3
Q

Passenger door

Where is the slide stowed ?

A

In a container attach to the inboard lower side of the door

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4
Q

Passenger door

What is the function of damper actuator ?

A

In normal mode, it limits the door travel
In emergency, it drives the automatic door opening

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5
Q

Passenger door

What is the component of door ?

A
  • a mechanical locking indicator
  • One warning light “ARMED” or “DISARMED”
  • One “CABIN PRESSURE” warning light
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6
Q

Passenger door

What is the function of mechanical locking indicator ?

A

Confirm lock or unlock position

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7
Q

Passenger door

When does the CABIN PRESSURE warning light illuminate ?

A

When there is a residual pressure in the cabin

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8
Q

Where are the FWD and AFT cargo doors located ?

A

On the right side of fuselage below cabin floor

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9
Q

Cargo door

Which hydraulic system operate the doors ?

A

Yellow

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10
Q

Cargo door

What is the type of locking system ?

A

mechanical

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11
Q

Cargo door

How to operate the door if the elec pump/eng pump fail ?

A

Hand pump

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12
Q

How bulk cargo door operate and lock ?

A

Mechanical locked and manually operated

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13
Q

Can the FWD and AFT cargo door be open from the inside ?

A

No

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14
Q

Can the Bulk cargo door be opened from the inside ?

A

Yes

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15
Q

How are the avionics compartment door operated ?

A

Manually

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16
Q

Where are the avionics compartment door located ?

A

In lower fuselage, around the nose gear bay

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17
Q

Cockpit door

What is the type locking sytem ?

A

3 electric locking strikes

18
Q

Cockpit door

In case of CDLS failure, or locking strike fails, how do you lock the door ?

Cockpit Door Locking System

A

A deadbolt installed at the level of centre latch area

19
Q

Cockpit door

When will the door be automatically unlocked ?

A
  • Electrical supply failure
  • Cockpit decompression
20
Q

Cockpit door

What are the component of CDLS ?

A
  • A kepad
  • A toggle switch
  • A control unit and control pannel
  • A buzzer
21
Q

Cockpi door

What is the fuction of keypad ?

A

Allow cabin crew to request access

22
Q

Cockpit door

What is the fuction of toggle switch ?

A

Allow crew to lock or unlock the door

23
Q

cockpit door/ Keypad

GREEN light ON ?

A

Door is unlocked

24
Q

cockpit door/ Keypad

GREEN light flash ?

A

emergency request has been made but no action from flight crew

25
Q

cockpit door/ Keypad

RED light ON ?

A

Flight crew denied access and door is locked

26
Q

cockpit door/ Keypad

White light ON ?

A

Come on when any key on keypad is press

27
Q

What happen when crew move the toggle switch to LOCK position ?

A
  • Door locked
  • Emergency access, the buzzer and keypad are inhibited for a preselected time (5-20min)
28
Q

Cockpit door

How to enable the function of keypad after selection of LOCK position of toggle switch ?

A

Move toggle switch to UNLOCK position

29
Q

Cockpit door

Which position of toggle switch will overdirve and reset any previous selection ?

A

UNLOCK position

30
Q

Cockpit door

OPEN light flashes ?

A

Cabin crew has started the emergency access procedure

31
Q

Cockpit door

Fault light ?

A

System failure has been detected
* Locking strike
* Pressure sensor
* Control unit

32
Q

cockpit door/emergency access procedure

How long will it take for the door to open ?

A

15-120s

Adjustable time

Door then open for 5s

33
Q

Cockpit door

How do you know if there are faulty in any locking strikes ?

A

Strikes’s status lights illuminate

34
Q

Cockpit door

How many pressure sensor does aircraft have ?

A

2

35
Q

Cockpit door

How do you know if there are any faulty in pressure sensor ?

A

Pressure sensor status lights illuminate

36
Q

Cockpit Door Surveillance system

How many cameras does system consist ?

A

3

37
Q

Cockpit Door Surveillance system

What camera image will be auto displayed when an entry request is performed ?

A

Camera 1

38
Q

How to open cockpit door ?

A

Set and mantain the COCKPIT DOOR sw to UNLOCK position until the door is opend

39
Q

How to close cockpit door ?

A

Close the door and check the OPEN light not illuminate

40
Q

Cockpit door

How to inhibit emergency access, the buzzer, and key pad ?

A

Set the COCKPIT DOOR sw to LOCK position

A321 (25 decks)

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