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A320 Notes > Fire & Smoke > Flashcards

Fire & Smoke Flashcards

2
Q

How many fire extinguishing bottles are available for fighting an APU fire?

A

One.

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3
Q

Each lavatory is equipped with…

A

One smoke detector and one smoke detection control unit.

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4
Q

What is the result if you press the APU FIRE pb?

A

Silences the aural fire warning arms the squib on the APU fire extinguisher closes the low-pressure fuel valve the APU bleed valve the X bleed valve shuts off the APU fuel pump and deactivates the APU generator.

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5
Q

What kind of smoke detection is installed in the avionic bay?

A

One smoke detector in the air extraction duct of the avionic ventilation system detects smoke in the avionics compartment.

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6
Q

Where are the sensing elements for the fire and overheat detection system located?

A

The three sensing elements for each engine are located in the pylon nacelle in the engine core and in the engine fan section.

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7
Q

How many halon fire extinguishing cylinders are there per engine?

A

Each engine has two fire extinguishers.

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8
Q

What happens if the system detects a APU fire on the ground?

A

If the system detects an APU fire while the aircraft is on the ground it shuts down the APU automatically and discharges the extinguishing agent.

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9
Q

Can the APU FIRE test be done using battery power only?

A

Yes.

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10
Q

Is a smoke detection or extinguishing system for the wastebins in the lavatory available?

A

Each lavatory wastebin has an automatic fire extinguishing system.

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11
Q

The aft cargo compartment smoke detection system consists of…

A

Four smoke detectors and a two channel smoke detection control unit.

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12
Q

Is an extinguishing system in the cargo compartments available?

A

Yes two fire bottles supply three nozzles (one in the FWD and two in AFT compartment). Bottle 1 is discharged in aprox. 60 s Bottle 2 discharges within aprox. 90 minutes.

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13
Q

When does the APU fire bottle discharge automatically?

A

The bottle discharges automatically if there is an APU fire when the aircraft is on the ground.

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14
Q

What is the result if you press the ENG FIRE pb?

A

Silences the aural fire warning arms the fire extinguisher squibs closes the low-pressure fuel valve the hydraulic fire shut off valve the engine bleed valve the pack flow control valve cuts off the FADEC power supply and deactivates the IDG.

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15
Q

How many smoke detectors are installed in the cargo compartments?

A

2 FWD 4 AFT.

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16
Q

Illumination of the GEN 1 LINE SMOKE light indicates…

A

Smoke has been detected in the avionic compartment ventilation duct.

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17
Q 
ENG 1 (2) FIRE pb
(FIRE panel)

Pressing it does what?

A
  • Silences the aural fire warning
  • Arms the fire extinguisher squibs
  • Closes the hydraulic fire shut off valve
  • Closes the low-pressure fuel valve
  • Deactivates the IDG
  • Closes the pack flow control valve
  • Closes the engine bleed valve
  • Cuts off the FADEC power supply
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18
Q 
ENG 1 (2) FIRE LT
(FIRE panel)

When does it come on?

A

This red light comes on, regardless of the ENG 1 (2) FIRE pb’s position, whenever the fire warning for the corresponding engine is activated.

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19
Q 
AGENT 1 (2) pb
(FIRE panel)
  • SQUIB
  • DISCH
A

A brief push on the button discharges the corresponding fire bottle.

SQUIB:
Lights up white when the ENG FIRE button is popped for its engine to help the flight crew identify the AGENT pb to be activated.

DISCH:
Lights up amber when its fire extinguisher bottle has lost pressure.

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20
Q

TEST pb
(FIRE panel - Engines)

Indications of a good test:

A

When the flight crew presses it:

  • CRC sounds
  • MASTER WARN lights flash
  • ENG FIRE warning on ECAM

On the FIRE panel:

  • ENG FIRE pb lights up red.
  • SQUIB lights come on white if discharge supplies are available
  • DISCH lights come on amber

On the ENG panel (pedestal):
- FIRE lights come on red

21
Q

APU FIRE pb sw
(FIRE panel)

Pressing it does what?

A
  • Shuts down APU
  • Silences the aural warning
  • Arms the squib
  • Closes the low-pressure fuel valve
  • Shuts off the APU fuel pump
  • Deactivates the APU generator
  • Closes the APU bleed valve and X bleed valve
22
Q

AGENT pb
(FIRE panel - APU)

  • SQUIB Light
  • DISCH Light
A

This button becomes active when the pilot pops the APU FIRE button.

The flight crew presses it briefly to discharge the fire bottle.

SQUIB:
Lights up white when the pilot pops the APU FIRE button

DISCH:
Lights up amber when the fire extinguisher bottle has lost pressure.

23
Q

TEST pb
(FIRE panel - APU)

Indications of a good test:

A
  • CRC sounds
  • MASTER WARN lights flash
  • APU FIRE warning on ECAM

On the APU FIRE panel:

  • APU FIRE pb lights up red
  • SQUIB light comes on white
  • DISCH light comes on amber
24
Q

APU FIRE Light
(FIRE panel)

When does it come on?

A

The red APU FIRE light comes when the APU fire warning is activated, regardless of the position of the pb.

25
Q

FIRE Light
(ENG panel on pedestal)

  • FIRE Light
A

FIRE Light:

Light comes on red when an engine fire warning is triggered.

26
Q

FWD or AFT (lights)
(CARGO SMOKE panel)
SMOKE light
DISCH light

A

SMOKE light:
This red light, and the associated ECAM warning, come on when the system detects smoke in the indicated compartment.

DISCH light:
Within 60 seconds after pressing the DISCH pb, this amber light comes on, indicating that the agent bottle has fully discharged.

27
Q 
DISCH pb (FWD or AFT)
(CARGO SMOKE panel)
A

This button ignites the squib to discharge the extinguishing agent in the corresponding compartment (FWD or AFT).

28
Q

TEST pb
(CARGO SMOKE panel)

Indications of a good test:

A

Pressing this button for at least 3 seconds, and until it is released:

  • Tests the smoke detectors in sequence.
  • Turns on the red smoke lights twice.
  • Displays the ECAM warning.
  • Closes the ventilation system’s isolation valves.
  • Turns on the amber DISCH lights.
29
Q

List the actions that occur when an ENGINE FIRE pushbutton is pressed.

A
  • 2-Silences the aural fire warning and arms the fire extinguisher squibs
  • 1-Closes the hydraulic fire shutoff valve
  • 2-Closes the low-pressure fuel valve and teh IDG fuel return valve
  • 1-Deactivates the IDG (FADEC power supply also deactivated)
  • 2-Closes the pack flow control and engine bleed valves
30
Q

What does an amber DISCH light mean?

A

The fire extinguisher bottle has lost its pressure

31
Q

List the actions that occur when the APU FIRE pushbutton is pressed.

A
  • 2-Silences the aural fire warning and arms the APU fire extinguisher squib
  • 1-Shuts down the APU (ECB)
  • 2-Closes the low-pressure fuel valve and shuts OFF the APU fuel pump
  • 1-Deactivates the APU generator
  • 2-Closes the APU vleed and X bleed valves
32
Q

How many fire extinguisher are provided for the cargo compartments?

A

1 Bottle, which can be discharged to either compartment

33
Q

Where are the engine fire loops located?

A
  • Pylon Nacelle
  • Engine Core
  • Fan Section
34
Q

What happens if both fire loops fail?

A

If the failure of both loops occurs within 5 seconds of each other, a FIRE warning will be issued

35
Q

How many fire extinguisher are provided for each engine?

A

2

36
Q

What occurs when you press the TEST pushbutton on the ENGINE FIRE panel?

A

7 Lights

  • CRC Sounds
  • MASTER WARN lights flash (2)
  • ENG FIRE pb illuminates red (1)
  • SQUIB and DISCH lights illuminate (2)
  • ECAM FIRE WARNING (1)
  • FIRE light on the ENG panel illuminates (1)
37
Q

How many fire extinguishers are provided for the APU?

A

1

38
Q

What occurs when you press the APU FIRE TEST pushbutton?

A

5 Lights

  • CRC Sounds
  • MASTER WARN lights flash (2)
  • APU FIRE pb illuminates red (1)
  • SQUIB and DISCH lights illuminate (1)
  • ECAM FIRE WARNING (1)
39
Q

Does the APU fire extinguisher automatically discharge if a fire is detected on the ground?

A

Yes. The APU will automatically shut down at the APU fire extinguisher will discharge.

40
Q

Does the APU fire extinguisher automatically discharge if a fire is detected in-flight?

A

No

41
Q

Where are the HYD FIRE SHUTOFF VALVES located?

A

Between the respective reservoir and ENG pump

42
Q

What does teh amber SMOKE light in the GEN 1 LINE pushbutton indicate?

A

Smoke detected in the avionic ventilation ducting

43
Q

What are the indications when you TEST the CARGO SMOKE?

A

FIVE 2’s

  • 2 amber DISCH lights illuminate and extinguish, then
  • 2 red SMOKE lights illuminate
  • 2 MASTER WARNING lights with CRC
  • 2 CARGO SMOKE lines on ECAM
  • Test runs TWICE to check both Smoke Detector Control Unit (SDCU) channels
44
Q

Is the skin heat exchanger ever bypassed in flight?

A

Yes, during SMOKE configuration

45
Q

What does the red SMOKE light in the FWD or AFT pushbutton indicate?

A
  • Both channels detect smoke, OR

- One channel faulty and the other detects smoke

46
Q

How many smoke detectors are there?

A
  • 2 in FWD cargo

- 4 in AFT cargo

A320 Notes (29 decks)

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