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Boeing 787 > Fire Protection > Flashcards

Flashcards in Fire Protection Deck (5)
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How many extinguishers are there for the cargo compartments?

5
2 high rate bottles and 3 low rate bottles

1

On the ground, if there is an APU fire what will automatically occur?

The APU shuts down. The fire bottle will fire after 15 seconds.

2

If there is a cargo fire, what happens to the extinguisher bottles?

The 2 high rate bottles fire immediately, then the low rate bottles discharge after a 15 minute delay.

3

Why do we still push the cargo fire arm switch?

It shuts down other systems to decrease air flow to the compartment.
I.e. Vents, fans,ventilation, valves etc

4

Is the extinguisher discharge to a cargo fire automatic on the ground?

No it must be armed and discharged manually. Both high rate and 1 low rate bottle will discharge. Do not open doors until persons are off and fire fighters are on the scene.