Fire Protection

Question 1

What does the TEST button on the FIRE PROTECTION

panel test?

Answer 1

The smoke detection system and it checks
only the cockpit visual and aural indications
(AOM 9-07-30)

Question 2

If the APU is running, two consecutive fire TESTS
within what time period may cause the APU to
shut down?

Answer 2

15 seconds (AOM 9-07-30)

Question 3

Is the engine fire detection system continuously

monitored?

Answer 3

Yes (AOM 9-07-40)

Question 4

How many fire bottles does the engine fire extinguishing

system have?

Answer 4

Two (AOM 9-07-40)

Question 5

Which systems are Bottle A and Bottle B used

for?

Answer 5

Bottle A is dedicated to the engines and
Bottle B is shared with the engines and the APU
(AOM 9-07-40)

Question 6

List the 4 things that happen when the SHUTOFF

1 (2) button is pushed on the ENGINE FIRE panel:

Answer 6

It closes the associated fuel, hydraulic and
bleed shutoff valves, plus the BOTTLE A and
B buttons illuminate to indicate that they are
armed (AOM 9-07-30 & AOM 9-07-40)

Question 7

What happens when the APU SHUTOFF button is

pushed in?

Answer 7

It closes the APU fuel and bleed shutoff valves,

plus it arms fire Bottle B (AOM 9-07-30)

Question 8

Will the APU automatically shut down if a fire or

overheat condition is detected on the ground?

Answer 8

Yes (AOM 9-07-50)

Question 9

What happens when the CARGO button on the
FIRE PROTECTION panel is pressed on the
ground?

Answer 9

It immediately discharges the high-rate fire
extinguisher bottle into the cargo compartment
(AOM 9-07-60)

Question 10

On the ground, how can the low rate (metered)

bottle be discharged?

Answer 10

By a second push of the CARGO button

AOM 9-07-60

Question 11

What happens when the CARGO button on the

FIRE PROTECTION panel is pressed in flight?

Answer 11

It immediately discharges the high-rate fire
extinguisher bottle into the cargo compartment
and starts a two-minute timer to discharge the
metered bottle (AOM 9-07-30 & AOM 9-07-60)

Question 12

What are the two different sizes for the low rate

(metered) extinguisher bottle?

Answer 12

Either 78 minutes or 110 minutes

AOM 9-07-60

Question 13

How can a pilot identify which size of a low rate

(metered) extinguisher bottle is on their aircraft?

Answer 13

By a placard in the cargo compartment

AOM 9-07-60

Question 14

Does the internal stowage compartment have any

fire detection/protection? If so, what?

Answer 14

Yes, it is equipped with a smoke detector

AOM 9-07-60