Fire protection

Question 1

What are the four areas covered by the fire protection system?

Answer 1

Engines, APU, lavatory, and baggage compartment

Question 2

What are the items to be checked on the fire detection test?

Answer 2

Both fire handles illuminated, BAGG EXTG button illuminated, master warning lights illuminated, EICAS warning messages (APU, fire, ENG 1/2 fire, BAGG SMOKE), EICAS caution messages (APU FIREDET FAIL), fire aural warning

Question 3

How long must the button be held when conducting the fire detection system test?

Answer 3

At least three seconds, and no longer than 10

Question 4

Why should the fire detection test button not be held longer than 10 seconds?

Answer 4

The APU will automatically shut down

Question 5

What is the wait time between tests if it is necessary to repeat the fire detection test?

Answer 5

Six seconds

Question 6

How many fire extinguisher bottles are installed in the system for engines and APU

Answer 6

3: 2 for the engine, and one for the APU

Question 7

How will the pilots know if any bottle has been discharged or is inoperative for any reason?

Answer 7

Hey Kasia, message on the EICAS

Question 8

How is the fire detection system monitored to detect failures

Answer 8

By an integrity switch, which is held closed by the sensor tubes internal pressure. Loss of pressure will open the switch and generate an EICAS warning

Question 9

Where are the fiire extinguishing bottles for the engines and APU installed?

Answer 9

In the tail cone compartment

Question 10

If the engine fire handle is pulled and then rotated counterclockwise, which bottle will be discharged

Answer 10

Extinguisher A

Question 11

Which valves will be closed by pulling the fire handle

Answer 11

Fuel shut off valve, hydraulic shut off valve, engine bleed valve, engine lip and ice valve

Question 12

What happens when the guarded APU fire extinguishing button is pressed

Answer 12

The APU fire extinguisher is discharged, and the APU fuel shut off valve is closed

Question 13

When will the APU fire detection system provide a signal to shut down the APU automatically

Answer 13

In case of fire warning during ground operation

Question 14

What are the memory items for APU fire?

Answer 14

APU fuel shut off valve push

Question 15

What smoke protection equipment is installed in the lavatory

Answer 15

One smoke detector in the ceiling, and one fire extinguisher bottle on the waste container

Question 16

Where is the lavatory smoke detector panel

Answer 16

Near the forward galley

Question 17

What warnings will the lavatory smoke detector trigger when smoke is detected?

Answer 17

Red alarm on the smoke detector panel

Horn on the smoke detector panel

Warning on the EICAS

Question 18

How many smoke detectors are installed in the baggage compartment?

Answer 18

2

Question 19

Where are the smoke detectors in the baggage compartment located?

Answer 19

On the ceiling

Question 20

What is the difference between the two fire extinguishers installed for use in the baggage compartment

Answer 20

One is a high rate extinguisher and one is a 50 minute metered discharge bottle

Question 21

Where are the baggage compartment fire bottles located

Answer 21

In the rear avionics compartment

Question 22

What happens if smoke is detected in the baggage compartment?

Answer 22

The baggage compartment fan is shut off and the baggage extinguisher button on the overhead panel is illuminated

Question 23

What are the memory items for baggage smoke?

Answer 23

Baggage fire extinguisher button press

Question 24

Where are the three portable halonite fire extinguishers located?

Answer 24

What about the captains seat and one each in the forward and aft sections of the passenger cabin