Fire Protection Flashcards
Fire Protection
Which areas have Fire Detection but no Fire Extinguishing ?
- Wheel wells
* Crew rest areas (F/A and Cockpit)
Fire Protection
How many engine fire extinguisher bottles does the 787 have ?
2
Either bottle can be discharged in either engine.
Fire Protection
What happens when an Engine Fire switch is pulled ?
7 things !
- Both fire extinguishers are armed
- FUEL : both valves (engine and spar) are closed
- Anti-Ice valves are closed
- ELEC : Engine GEN are tripped off
- HYD : Hydraulic fluid to the engine driven hydraulic pump is cut off
- HYD : Engine driven pump is depressurized
- REV : Power is cutoff to the Thrust reverser isolators valve
Fire Protection
In case of an APU fire warning, will the APU be automatically shut down ?
YES
And automatically extinguished
Fire Protection
How many APU fire extinguisher bottles are there ?
Only 1
Fire Protection
What happens when the APU fire switch is pulled ?
5 things
- Arms the APU fire extinguisher bottle
- Closes the APU fuel valve
- Closes the APU air inlet door
- Trips the APU generator field and generator breaker
- Shuts down the APU if automatic shutdown did not occur
Fire Protection
Can the APU fire extinguisher discharge automatically ?
YES, after 15 seconds of APU shutdown (allows time for the fuel valve to close) if fire still detected.
Both on ground and in flight !
Fire Protection
Can the HF radios be used in case of AFT CARGO SMOKE detection ?
NO, in that case, power is removed from the HF radios.
Fire Protection
How many fire extinguisher bottles are there for cargo compartment fire extinguishing ?
5 in total
2 / 3
In flight, with at least 1 engine running, the process is automatic.
The first 2 discharge totally and immediately into the affected cargo hold.
After 15 minutes, the other 3 discharge at a reduced rate.
If A/C lands within the 15 minutes delay, only 1 bottle discharges at a reduced rate after landing.
Fire Protection
For which ETOPS operation is cargo fire suppression provided ?
180 minutes ETOPS
Fire Protection
Can the Fire and Overheat system be manually tested ?
Yes, by pressing the FIRE/OVERHEAT TEST button on the overhead panel.
Fire Protection
In the cargo holds, how many fire extinguisher bottles immediately discharge when a fire is detected ?
2
After 15 minutes, the other 3 discharge at a reduced rate.
If A/C lands within the 15 minutes delay, only 1 bottle discharges at a reduced rate after landing.
