Fire Flashcards
Engine fire detection
ESS powered
2 fire loops in each engine
Both loops must detect overheat
*unless 1 is inop
Engine fire protection
HOT batt bus powered
2 fire bottles (1 shot per bottle)
Apu fire detection
ESS powered
2 fire loops in each engine
Both loops must detect overheat
*unless 1 is inop
Apu fire protection
ESS powered
1 fire bottle
Red light in api emergency stop button illuminates after 60 seconds of having a fire detection
Cargo smoke detection
ESS powered
Each compartment has independent smoke detection units
3 FWD
2 AFT
Atleast 2 in each system must agree to generate warnings
Cargo compartment protection
2 fire bottles
Able to extinguish fire in either of the compartments
1-2-3 rule
Refer to paper
What has fire detection and protection
Engines
Apu
Cargo
Lav (wax)
Power source for protection and detection
Engine D DC ESS
Engine P HOT BATT
Apu D DC ESS
Apu P DC ESS
Fire protection systems
Engines have 2 halon bottles
(Transferable)
Apu has 1 halon bottle
(Non transferable)
Cockpit and cabin fire protection
Cockpit has 1 bottle
Cabin has 3 bottles
Apu shutdown from fire when?
Only on the ground
Only 1 cargo compartment may be selected for fire extinguishing. High and low rate bottle must be used for the same compartment. TRUE OR FALSE
TRUE
