Fire Protection

Question 1

What are the indications for an APU fire

Answer 1

-continuous repetitive chime (CR) sounds
-Red MASTER WARN lights
-Red guarded APU FIRE light illuminates in the overhead fire panel
-APU FIRE message and associated steps appear in the E/WD memo section
-APU page appears on the SD

Question 2

How many halon fire bottles are available for each engine, APU and cargo compartments

Answer 2

-Each engine has two bottles
-APU has 1 bottle
-The forward and aft cargo compartments share 1 bottle

Question 3

Describe the APUs fire protection function

Answer 3

The APU master computer automatically performs an APU EMER SHUTDOWN and discharges the APU fire extinguisher

NOTE APU automatic shutdown due to a fire and fire bottle discharge is only available on the ground

Question 4

Where is the Aft cargo compartments temperature displayed and monitored

Answer 4

ECAM COND page
ECAM CRUISE page

Question 5

What are the exterior indications of an APU fire

Answer 5

-external warning horn sounds
-Red APU FIRE light illuminates on the external power panel