Fire protection Flashcards
What electrical power must be available for the engine and APU extinguishing systems to function?
Electrical power from the Hot Battery Bus
When a fault is detected in one of the engine fire detector loops, the system…
Automatically reconfigures to single detector operations.
What does the FAULT light indicate?
Dual loop failure in one of the engines
What occurs when an engine Fire Switch is pulled?
Closes the engine and spar fuel shutoff valves.
Closes the engine bleed air valve.
Shuts off the associated hydraulics and trips off the engine generator.
Arms the appropriate squibs.
If an engine overheat conditions is sensed, the appropriate Fire Switch should electrically unlock. If this does not occur, how can you override the mechanical lock?
By pushing the mechanical override switch located under the Fire switch.
How many engine fire extinguisher bottles are installed on the aircraft?
Two (2) total: which can be discharged into either engine by pulling and rotating the appropriate Fire switch.
The forward and aft Cargo Compartments are equipped with dual smoke detector loops that sense smoke particles. T/F
True
The Cargo Fire TEST switch has been pressed. The Master Fire WARN lights illuminate and the fire warning bell sounds. What other indications should be present for a successful Cargo Fire system test?
Extinguisher (EXT) test light illuminate.
Cargo Fire (FWD/AFT) warning lights illuminate
Cargo Fire Bottle Discharge (DISCH) light illuminates
What does an illuminated Cargo Fire FWD light indicate?
Smoke is detected in the forward cargo compartment
What does pushing the AFT Cargo Compartment ARM switch do?
Arms the aft compartment squib.
How is the lavatory fire extinguisher discharged?
Automatically
What are the flight deck indications of the lavatory extinguishing system being used?
There are no flight deck indications
