Fire detection

Question 1

What EICAS messages display during test?

Answer 1

ENG 1 FIRE
ENG 2 FIRE
APU FIRE
CRG FWD SMOKE
CRG AFT SMOKE.   6-5-4-2 rule this is 5

Question 2

How many bottles do you have to put out engine fire?

Answer 2

2

Question 3

How many bottles for cargo fires?

Answer 3

2 halon 1301

Question 4

How do you extinguish a fwd cargo fire?

Answer 4

Press fwd extinguisher.
HR BOTTLE - immediately
LR BOTTLE - 1 minute later*

*low rate can be used sooner if fwd cargo pushed again prior to 1 minute.

Question 5

Can you extinguish a cargo fire without an Eicas warning or switched armed?

Answer 5

Yes. Pushing button arms. Second push extinguishes HR bottle

Question 6

How long does LR BOTTLE suppress fire?

Answer 6

60 mins

75 mins class notes

Question 7

How many smoke detectors in fwd and aft lav? Is there an EICAS message? Are there any other indications in the cabin of smoke detection in LAV?

Answer 7

1 each. Yes (LAV SMOKE) and Master Caution. Rainbow lights (flashing orange)

Question 8

When flt attend lav test is performed what indication do you get in the flight deck? How long does this last?

Answer 8

EICAS (lav smoke) and Master Warning. 7 seconds

Question 9

When we test fire detection how many lights illuminate? What are they? what do you hear?

Answer 9

6 total (2) T handles (3) protected switches and (1) top of APU EMER STOP BUTTON. 6-5-4-2 rule this is 6

(2) master Warnings (2) itt “FIRE” 6-5-4-2 rule this is 4
Bell, triple chime, bell, triple chime