Stage 6 Door Flashcards

1
Q

List the doors in the A320 doors system.

A

1) 4 PAX doors
2) 4 Overwing cabin emergency exits
3) Cockpit emergency exit (windows)
4) Three cargo doors
5) Four avionics compartment access doors

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2
Q

What is the role of the damper actuator in PAX doors?

A

1) It limits the door travel in normal ops

2) Drives automatic door opening in emergency

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3
Q

What can crew do in case the slide inflation bottle fails?

A

Crew members can manually open the discharge valve

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4
Q

What does the illumation of the 2 lights on the PAX doors indicate?

A

Red light flashes when there is cabin differential pressure

White light illuminates if slide is armed

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5
Q

What is another option incase the cockpit door fails to open in an emergency?

A

A cockpit door escape panel at the bottom can be pushed open towards cabin

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6
Q

When does the flight lock actuator in the overwing slides engage? Disengages

A

During takeoff roll and inflight.

They disengage during landing roll, RTO or loss of DC Bus 1

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7
Q

Wher are the cargo doors located?

A

FWD and AFT doors are on the starboard side

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8
Q

How are the cargo doors operated?

A

Via the yellow hydraulic system electrically or via a handpump

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9
Q

Where is the yellow hydraulic handpump located?

A

In the haydraulic maintenance panel

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10
Q

Can you open the cargo doors from the cockpit?

A

No, they only open from the outside

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11
Q

What is also activated when the cargo electric pump pressurizes the yellow system?

A

Brakes and ENG 2 reversers

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12
Q

How does the bulk cargo door open?

A

It is similar to pax door as it is a plug type and opens inwards unlike the other cargo doors. May be opened from outside or inside

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13
Q

How do the avionics doors open and where are they located?

A

1) Located around nose LDG bay

2) They are manually operated and open inwards

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14
Q

How is the slide raft disconnected from the aircraft?

A

1) Pull disconnection handle at entrace

2) Cut the mooring rope via provided knife

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15
Q

How is the escape panel on the cockpit door operated?

A

The quick release pins are pulled towards the center then the panel pushed out

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16
Q

What happens to the cockpit door locking system in case of total electrical fail?

A

The door unlocks but remains closed

17
Q

What are the componenets of the Cockpit Door Locking System (CDLS)?

A

1) Keypad
2) Toggle switch on the Cockpit Door Panel
3) Overhead panel control unit
4) Buzzer

18
Q

What does the Overhead control unit do?

A

1) Relays crew commands to lock/unlock cockpit
2) Unlocks door incase of rapid decompression (door will open)
3) Indicates failures on the electrical latches and pressure sensors

19
Q

How long is a routine buzzer? Emergency Buzzer?

A

Routine is 1 to 9 seconds

Emergency is constant and OPEN light flashes next to the toggel swtich

20
Q

When does the crew have to use the backup control for cockpit access? How is it used?

A

When the normal unit fails or two overpressure sensors fail. The toggle door switch is inoperative then so the access is requested via intercom then crew will press the OPEN/FAULT CTL pb on the overhead panel

21
Q

How long is emergency access and access keypad inhibited when the CDLS toggle switch is set to LOCK

A

5-10 minutes

22
Q

How long is the delay to open the cockpit door if emergency code is inserted without reaction from flight deck?

A

15-120 seconds (Unlocks for 5 seconds)

23
Q

What does the strike status light or the pressure sensor status of the CDLS overhead control signify when on ?

A

The corresponding locking latch or oressure sensor is faulty

24
Q

How to use CKPT DOOR BK UP panel when normal mode fails?

A

1) Guarded stwitch to BK UO

2) Press and hold CTL until the door is pushed open

25
Q

When does the screen turn off on the CDSS automatically and manually?

A

Automatically in no action is done for 5 minutes

Manually if the VIDEO pb is held for 2 seconds