Fire Protection

Question 1

LAV

Answer 1

• 2 Halon capsules in waste bin
• Aft Lav Smoke only EICAS message

Question 2

Fire Test Button – push after at least 30 seconds of power on (BAT MAST ON)

Answer 2

11lights–“3-5-3-OK”

Question 3

Engine/APU Dual Loop Detection System

Answer 3

Both loops need to be tripped
If one fails, reverts to single loop (FIRE SYS FAULT)
Can MEL one loop

Question 4

ENGINE FIRE PUSH what happens

Answer 4

• Both squibs armed
  -Engine fuel feed SOV closes
  -Bleed Air SOV closes
  -Engine Hydraulic SOV closes
  -Engine generator tripped

Question 5

APU Fire detection (on ground and in flight)

Answer 5

On ground - APU shuts down and halon bottle is discharged
In flight - APU shuts down but CREW has to discharge the bottle

Question 6

“APU FIRE PUSH” switchlight

Answer 6

• Squib armed
• Fuel Feed SOV closes
• APU Generator is tripped off
• APU LCV closes (ECS SOV)

Question 7

Cargo smoke detection (fwd and aft)

Answer 7

3 detectors fwd bay - (2/3 need to detect smoke for warning)
2 detectors aft bay

Question 8

Cargo “Bottle Armed Push to DISCH” pushed

Answer 8

Both halon blow at the same time
- 1 fast discharge
- 1 trickle discharge for 60 mins

Question 9

How many Fire extinguishers, PBE , portable O2 bottles

Answer 9

4 fire extinguishers
3 PBE
3 o2 bottles