Fire Protection Flashcards
How does the lavatory smoke detector work?
A halon bottle is located in the trash bin. It is sealed with a heat sensitive plug. Heat from a fire will burn through the plus and release the halon into the trash bin.
Is there a way to test the smoke detector in the lav?
Yes, a psuhbotton is located ont he detector mounted on the ceiling. When pressed, the SMOKE AFT LAV warning message illuminates on ED1.
Will the APU shutdown automatically on the ground for a fire?
Yes, and the extinguishing bottle will fire five seconds later.
Will the APU shutdown automatically in flight?
Yes, but the bottle will not blow automatically.
How many engine fire detecion loops are there?
Two.
How many fire detection loops are in the APU?
Two.
Can a flight be dispatched with one engine or APU fire detection loops inop?
Yes.
How many overheat detection loops are in the main landing gear bay?
One.
How many fire detectors are there in the forward and aft cargo compartments?
Three in the forward, two in the aft.
If we extinguish a fire with the cargo bottle in the forward cargo compartment, what can be done for a fire in the aft compartment?
Nothing. A landing should be made as soon as possible.
Why are there two cargo fire bottles if they can only be used in one compartment?
One bottle is used to extinguish the fire, and the other bottle is released slowly over 60 minutes to suppress the fire until landing.
Why must we fly within 60 minutes of a suitable airport while carrying cargo?
The fire extinguishing system only provides 60 minutes of fire supression.
What is the restriction for use of the portable halon extinguisher on the flight deck?
Both pilots must wear their oxygen masks selected at 100%.
How does halon work to fight a fire?
It eliminates oxygen in the air causing the fire to suffocate.
