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Flashcards in Fire Detection Deck (10)
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1
Q

What happens when both Fire Detection loops fail?

A

After 5 seconds, they will trigger the fire alarm

2
Q

How many Halon bottle are there?

A

2 per engine, 1 for APU, 1 shared for all cargo holds, 1 in the lavatory waste bin (auto and non-alerting)

3
Q

How many smoke detector cavities are in the cargo holds?

A

1 forward, 2 aft (321 has 3 aft)

4
Q

When will the detector’s trip?

A

When both loops indicate a fire or one loops detects and the other is inop

5
Q

Where is the avionics smoke detector?

A

Air extraction duct

6
Q

What does the ENG FIRE button do?

A
Silence aural warning
Arms squibs
Closes hydraulic fire shut off valve
Closes low-press fuel valve
Deactivates the IDG
Closes the pack flow control valve
Closes the engine bleed valve
Cuts off FADEC power
7
Q

What does the GEN 1 LINE pb do?

A

During an avionics smoke detection, it will:
Disconnect generator 1 from electrical system
EXCEPT will continue to power one fuel pump in each wing tank

8
Q

What is the CAB FAN?

A

Cockpit/cabin recirculation fan. Turned off during aviaoinics smoke detection

9
Q

When you are complete with shutting down both engines, what remaining systems will the battery power?

A

VHF 1 and the PA

10
Q

How long does it take to discharge the cargo hold Halon?

A

60 seconds, remember the smoke lights will remain on for the rest of the flight because the hold is full of Halon particles