Fire Protection Flashcards
How can the flight crew determine whether or not the lavatory fire extinguisher has been used?
No cockpit indication is available. The extinguisher is inspected by the MX personnel.
Is the lavatory fire extinguisher monitored?
No.
What occurs when the fire handle is pulled?
The fuel, hydraulic, bleed air and engine lip anti-icing shutoff valves of the associated engine are closed. Fire extinguisher handle is also armed.
How many halon fire ext. are available for the engines?
2 Halon fire ext. are installed and available to be used by either engine.
Is engine fire protection available when the aircraft is de-pwr?
Yes; the engine fire protection is powered by the hot battery bus.
Does the master warning “LAV SMOKE” EICAS message appear during a cockpit fire detection test?
No; The Lavatory smoke detector can only be tested by the flight attendant.
What does the EICAS master caution “E1-2 FIRE DET FAIL” means?
The fire det. sys. of the affected engine has failed. The integrity sw. has det. a low-press. condition in the affected fire loop.
What messages will be presented on the EICAS after discharging halon into eng. #1?
E1 EXTBTLA INOP, and E1 EXTBTLB INOP due to low bottle pressure.
What are the indications of a successful Fire Det. Test?
Master Warning and Caution buttons illuminated; ENG 1(2) FIRE; APU FIRE, BAGG SMOKE; E1(2) FIREDET FAIL; APU FIREDET FAIL; both fire handles illuminated, BAGG EXTG button illuminated, Aural Fire Bell.
Would an engine fire be detected with the airplane de powered?
No. The engine fire detection system is powered out the essential bus.
Where is the baggage fire detection system powered from?
From DC BUS 2.
How long would the baggage extinguisher metered bottle last?
50 minutes.
