Fire protection

Question 1

What Happens when you pull the Fire EXTG Handle?

Answer 1

Closes associated-

-Hyd SOV
-Fuel SOV
-Engine Bleed Air Valve
-And as Engine decelerates
Generator Line Contactor Opens

Question 2

Smoke Detected IN FLIGHT.
What Happens if I push the FWD CARGO SMOKE button?

Answer 2

A SINGLE push will-
Discharge HIGH rate bottle and 60 sec later, the LOW rate bottle will discharge automatically.

Question 3

Smoke Detected NOT In Flight
What Happens if I push the FWD CARGO SMOKE button?

Answer 3

A single button push will-

ARM the High Rate bottle

Second Push will-
Discharge HIGH rate bottle then 60 sec later discharge the low rate bottle

Question 4

When would APU light illuminate ?

Answer 4

When APU EMER STOP Button has been pushed in and APU Fire is detected.

Or

60 seconds after an APU fire is detected and no Pilot action has occurred.