Fire Protection Flashcards
Describe what to do if the Engine or APU Fire switch cannot be pulled in the event of a fire or emergency evacuation.
Push the fire override switch located beneath the fire switch.
What happens when the Engine Fire switch is pulled?
Shuts off: Fuel, Bleed Air, Generator, Hydraulics and arms the Fire Bottle.
With an engine fire, what three ways can the fire bell be silenced?
Depressing either Master Warning switch or pulling the appropriate fire switch, extinguishing the fire.
What is the meaning of an L/R ENG OVHT light and EICAS caution message?
Engine overheat is detected.
How many fire bottles are available for engine fires?
Two
Describe what happens when a Cargo Compartment ARM switch is pushed.
Arms respective bottles (2), turns off the left recirculation fan.
What would you expect to see illuminated after pushing the AFT Cargo Compartment ARM switch?
The “ARMED” and “AFT” lights illuminate.
How many bottles are available for cargo fires?
2
What happens when the APU fire switch is pulled?
Shuts Off: Fuel, Generator, Air and Arms Fire Bottle
Why does the APU Shutdown switch on the Ground Control Panel have to be pushed before discharging the fire bottle?
It arms the fire bottle.
Describe what happens on the outside of the aircraft when an APU fire occurs on the ground?
The fire horn sounds in the nose wheel and the fire warning light illuminates.
How many fire bottles are available for the APU?
1
What type of fire protection is provided for the main gear wheel well?
One fire detection loop.
How long will the main gear wheel well fire warning lights remain illuminated?
Until the fire is extinguished.
Describe when the Engine and APU Fire Detection Systems are tested?
The system will automatically test the detection system when power is initially applied. The system can be tested manually also.
