Fire Protection Flashcards
How many FIREX bottles are in the fire protection and extinguishing system?
2
Where can the fire bottles be discharged into?
1 into either engine, #2 into either engine and APU
Which FIREX bottle provides protection for the APU?
Fire bottle #2
Describe how the fire detection system recognizes a leak or fire?
As temperature increases, the resistance in the fire detection loop decreases below a limit. When the firex control unit detects this current increase, a warning indication is generated.
What areas of the aircraft are monitored for leaks and/or fire?
- Engine Nacelles
- Core
- Pylon
- Gearbox
- Main Landing Gear Bay
- Baggage Compartment
- Bleed Air Supply
- Wing Anti-Ice Supply
- APU
Which areas have fire extinguishing?
- Engine
- APU
Is there a baggage compartment fire extinguishing system?
No
Is there a lav smoke detector?
No, baggage compartment detector thru vents
What does pushing the engine fire PBA do?
- Closes Fuel SOV
- Closes Bleed SOV
- Closes HYD SOV
- Arms EXT 1 & 2 squibs
- Deactivates the generator
- FADEC commands engine shutdown
Do we normally test the fire detection system?
No, test only during abnormal situations when prompted by the checklist or MX
What extinguishing agent is used in the Fire Extinguishing System?
Halon 1301
