Fire

Question 1

How many hand held fire extinguishers do we keep in the airplane?

Answer 1

Two, one in the back of the cabin and one behind the co-pilot’s seat.

Question 2

What occurs by pushing a fire shutoff button?

Answer 2

Closes respective side;

Fuel SOV
Bleed valves (PRSOVs)
Hyd SOV

Arms fire extinguisher discharging bottle.
Illuminates Shutoff 1 or 2 switch

Question 3

How many fire-extinguishing bottles are on the airplane, and where are they located?

Answer 3

One, in the aft fuselage

Question 4

When the fire detection system is tested on the Power Up checklist, what indications will confirm the system is working properly?
(3)

Answer 4

1. Voice message: “FIRE”,
2. CAS message: “ENG 1/2 FIRE”
3. FIRE message in the ITT field and red light in the shutoff pushbutton

Question 5

What does continued illumination of the engine shutoff pushbutton indicate, after completing the Engine Fire procedure and extinguishing the fire bottle?

Answer 5

The overheat/fire on that engine still persists.

Question 6

What is the electrical power source for the engine fire protection system?

Answer 6

Emergency bus

Question 7

How many fire detection loops are installed in each engine compartment?

Answer 7

One

Question 8

With regard to design, how does the loop detect an overheat or fire condition?

Answer 8

The loop is filled with helium gas which expands when heated. The detector unit at the end of the sensing loop contains a diaphragm which snaps over-center at a set actuation pressure, completing the electrical circuit to the warning devices.

Question 9

What is the extinguishing agent in the engine fire bottle?

Answer 9

Halon 1301

Question 10

• What is the cockpit indication that the engine fire bottle has been discharged?

Answer 10

ENG FIREX DISCH (CAS)

Question 11

• What type of baggage compartment fire detection is installed?

Answer 11

Smoke detector installed in baggage compartment ceiling – two photoelectric sensors, both must detect smoke to generate warning.