Cargo Smoke Panel

Question 1

How many fire extinguishers are provided for the cargo compartments?

Answer 1

1 bottle, which can be discharged to either compartment
2 bottles, which can be discharged to either compartment. 205 min discharge requirement for ETOPS (ETOPS certified aircraft)

Question 2

What does the red smoke light in the FWD or AFT push button indicate?

Answer 2

Both channels detect smoke, or
One channel faulty and the other detects smoke

Question 3

How many smoke detectors are there?

Answer 3

2 forward cargo
4 aft cargo

Question 4

With a CARGO SMOKE warning what happens to the isolation valve and extract fan?

Answer 4

Isolation valve closes
Extract fan stops