Fire

Question 1

What are the fire protections of the A320? 4

Answer 1

1. Fire detection and extinguishing systems in the engines, APU
2. Smoke detection and extinguishing systems in the cargo and lavatories
3. Smoke detection in the avionics bay
4. Portable fire extinguishers in the cockpit and cabin

Question 2

What are the fire detection systems of the engines and APU? 2

Answer 2

Each have their own:

1. 2 loops in parallel (A & B)
2. Fire Detection Unit, FDU

Question 3

How many extinguishers are there for the engines and how are they activated? 2

Answer 3

1. Two bottles

2. Activated on the FIRE overhead panel (squib pb)

Question 4

The indications and control on the overhead panel for avionics smoke are:2

Answer 4

The Emer ELEC PWR panel and VENTILATION panel

Question 5

Is there any outside way to see and shut off the APU if it is on fire? If yes, where and how?

Answer 5

Yes. At the external power panel, an APU Fire indicator and guarded shut off pb

Question 6

What happens when the external APU shutoff pb outside the aircraft is pressed?

Answer 6

Shutoff is confirmed and external horn is cancelled

Question 7

Where are the automatic fire extinguishing systems of each of the lavatories located?

Answer 7

In the waste bin