Fire Protection

Question 1

Fire protection includes

Answer 1

• Fire and overheat detection for eng and APU
• smoke detection for cargo compart, lavatories, avionics bay
• Fire extinguishing for cargo compart, eng, apu and lavatories

Question 2

Extinguishing

Answer 2

Eng: 2 fire extinguishing
APU: 1 fire extinguishing (APU fire is detected on the ground, APU shutdown and extinguisher bottle discharges automatically)

Question 3

SQUIB and DISCH light

Answer 3

SQUIB: when release ENG FIRE Pb to help crew identify the Agent to be activated
DISCH: fire extinguisher bottle has lost pressure

Question 4

System has fire extinguisher discharge automatically?

Answer 4

• APU fire extinguisher discharges automatically 3s after the appearance of the fire warning
• each lavatory waste-bin has an automatic fire extinguisher system