8- Fire Protection Flashcards
Engine Fire Switches - pull (5)
- closes engine and spar fuel valves
• closes bleed air valves
• trips generator off
• shuts off hydraulic fluid to the engine–driven hydraulic pump
• arms both engine fire extinguisher bottles
CARGO FIRE ARM (FWD) - pull (3)
- arms all cargo fire extinguisher bottles
- turns off both recirculation fans
- shuts down Nitrogen Generation System
CARGO FIRE ARM (AFT) - pull (4)
- arms all cargo fire extinguisher bottles
- turns off both the recirculation fans
- inhibits high flow operation of both packs
- shuts down Nitrogen Generation System
APU Fire Switch - pull (5)
- closes fuel valve • trips generator off • closes air supply valve • shuts down APU • arms fire extinguisher bottle
APU FIRE SHUTDOWN Switch - nose gear (5)
• closes fuel valve -trips generator off • closes air supply valve -shuts down the APU • arms fire extinguisher bottle
The main gear wheel wells have a fire detection system, but no fire extinguishing system. The system __will/will not__ detect hot brakes alone, without an associated fire.
will not
Overheat detection systems are installed for (3)
- engines
- struts
- pneumatics (ducts in the wing and body areas)
There are detector loops in each engine nacelle to provide ______
both fire and overheat detection
The fire warning lights remain illuminated as long as _____
the fire signal exists
The overheat lights remain illuminated ______
as long as the overheat condition exists
There are ___ engine fire extinguisher bottles
two
either or both bottles can be discharged into either engine
When an engine fire switch is pulled out, the associated engine (5)
- fuel is shut off
- bleed valves are closed
- generator is tripped off
- hydraulic fluid is shut off to the engine-driven hydraulic pump
- fire extinguishing bottles are armed
How many fire detector loops in the APU compartment?
Is there APU overheat detection?
2
no
Can the SYS FAIL light and advisory message can be reset to allow monitoring of the remaining systems?
yes
When the APU fire switch is pulled out, the APU (5)
• fuel is shut off • bleed air valve is closed • generator is tripped off • fire extinguishing bottle is armed - APU shuts down
Does the main gear wheel well have fire detection and protection?
detection and warning only
there is no fire extinguishing system
The main wheel well fire detection system consists of ___ fire detection loops
1
How many fire bottles for:
Engines -
APU -
Cargo compartments-
Wheel well -
2
1
3
0
Pushing the cargo fire bottle discharge switch -
discharges first bottle immediately
second and third bottles metered after 30 min
(second bottle discharges upon landing)
{CBT}
Is there any fire detection/protection in the cabin?
each lavatory has a single smoke detector and a fire extinguisher located in the waste container cabinet, with:
• automatic fire extinguisher operation
• no cockpit annunciations of lavatory fire extinguisher operations
