Fire Protection

Question 1

What components are included in fire detection?

Answer 1

Eng: 2 piece gas filled fire loop for each engine

APU: single gas filled fire loop

Bag: smoke detector

Question 2

What are the fire extinguisher components?

Answer 2

Eng: 2 shot system (tail cone)

APU: 1 shot system (tail cone)

Bag: 2 shot system (tail cone shared with APU) ( large metered bottle in nose.

Question 3

Do any fire bottles have gauges?

Answer 3

No. If fire bottle is low, a CAS message will appear

Question 4

What does the FIRE PUSH button do when depressed?

Answer 4

1. Closes fuel firewall shut of valve
2. Shuts off fuel at HMU
3. Closes HYD firewall shut off
4. Deactivates respective GEN
5. Isolation valve activates for respective TR
6. Arms both fire bottles