Fire Protection Flashcards
T or F:
In the event of an APU fire in-flight, the crew receives indication of a fire, but no automatic action occurs.
True
Pushing the R ENGINE FIRE push button annunciator arms which extinguisher bottles for discharge?
Both bottles 1 and 2
When accomplishing the APU fire emergency procedure, which bottles should be discharged to the APU?
Bottle 2
T or F:
Both fire extinguishing bottles are equipped with two squibs each.
False
Bottle 1 has 2 squibs
Bottle 2 has 3 squibs
To which component are the dual detection loops in the APU enclosure connected?
FIREX CU
Fire detection and extinguishing control unit
When accomplishing the engine fire emergency procedure: if the warning persists, how many seconds should elapse before the first bottle is discharged after engine shut down?
10 sec
How many fire bottles are installed on the challenger 350 aircraft?
2
How many smoke detectors are installed on the challenger 350 aircraft?
One , between the lavatory and cargo
Where are the fire extinguishers located?
Cockpit, galley, lavatory
What indications illuminate with the left engine fire?
L ENGINE FIRE CAS RED MASTER WARNING RED MASTER WARNING CHIMES L ENG FIRE SEITCH RED FIRE EI ON N1 Aural Left Engine Fire sounds
What occurs when the fire switch is pushed?
Left squib on both bottles are Arm EXT 1 and EXT 2 switches ARMED Fuel SOV closes Bleed air SOV closes Hydraulic SOV closes Generator off line FADEC signals engine shutdown
Which areas of the challenger 350 aircraft are monitored for fire detection?
Engines
APU
Gear Bay
What happens when the L or R ENG FIRE switch is pressed?
Fuel, hydraulic and bleed air SOV CLOSES
Generator taken offline
FADEC signals for engine shutdown
Squibs are armed
On the challenger 350 aircraft, which areas have a fire extinguishing system?
APU
Left engine
Right engine
How does the engine fire detection system function?
By detecting a drop in resistance caused by an overheat condition
