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Republic Airways > Fire Protection > Flashcards

Fire Protection Flashcards

1
Q

A total of ___ bottles are available to extinguish an engine fire, and _____ bottles available to extinguish an APU fire.

A

2,1

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2
Q

During normal operations, both engine overheat detector loops must detect a fire before a warning generates (T/F).

A

True

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3
Q

Describe the fire bottle discharge with an annunciated forward cargo fire in flight.

A

The high rate bottle discharges first, followed by the low rate bottle one minute later.

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4
Q

What are the indications that the lavatory waste bin extinguisher has discharged?

A

There is no flight deck or cabin indication that the bottle has discharged

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5
Q

What aircraft systems have fire detection and protection?

A

Engines, APU, cargo compartments, lavatories

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6
Q

Pushing the test button on the fire extinguisher will test which systems?

A

Cargo smoke detection, engine fire detection, APU fire detection

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7
Q

What overhead panel indications display during the fire test?

A 
CARGO SMOKE FWD Extinguisher
CARGO SMOKE AFT Extinguisher
APU FIRE
APU EMER STOP (Upper half)
ENGINE 1 FIRE HANDLE
ENGINE 2 FIRE HANDLE
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8
Q

What should be seen/heard during the fire test?

6-2-2-7

A 
Overhead Panel:
FWD CARGO SMOKE
AFT CARGO SMOKE
APU EMER STOP
APU FIRE
ENGINE 1 FIRE HANDLE
ENGINE 2 FIRE HANDLE

Aural Warnings
Continuous fire bell
Triple chime

Glareshield:
Master Warning Left
Master Warning Right

EICAS:
CARGO SMOKE FWD
CARGO SMOKE AFT
ENGINE 1 FIRE
ENGINE 2 FIRE
APU FIRE
ITT GAUGE 1 FIRE
ITT GAUGE 2 FIRE
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9
Q

What happens if you do a fire test with the APU running and you hold the test button for more than 10 seconds?

A

APU will shut down

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10
Q

What is available in the flight deck to combat a fire?

A

A handheld fire extinguisher

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11
Q

How is the cabin protected from fire?

A

Four handheld fire extinguishers (2 forward and 2 aft)

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12
Q

Can both engine fire extinguishing bottles be used for one engine if needed?

A

Yes

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13
Q

How many fire extinguishing bottle shots do you have for the engine

A

2, A and B. Both bottles can be used for one engine, or one bottle on each engine.

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14
Q

What does pulling an engine fire handle do?

A

Closes the respective engine fuel shutoff valve
Closes the respective hydraulic shutoff valve
Closes the respective bleed shutoff valve
Closes the crossfeed valve

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15
Q

Does pulling an engine fire handle work without power on the aircraft?

A

Yes, fire bottles, fuel SOV, hydraulic SOV are on the HOT BATT BUSES

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16
Q

Does pulling the engine fire handle discharge the bottle?

A

No

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17
Q

Describe the engine and APU fire detection system

A

Engine and APU are monitored by two detector loops

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18
Q

What are the initial indications of an APU fire?

A

Fire bell and master warning triple chime, red stripe in the APU EMER STOP button, APU FIRE EICAS and 2 master warning lights

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19
Q

On the ground, the APU will shut down automatically ______ seconds after the fire condition is sensed

A

10

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20
Q

When will the APU automatically shut down on the ground for a fire?

A

10 seconds after fire detection and the APU EMER STOP button has not been pressed

21
Q

Will the APU automatically shut down in flight for a fire?

A

No

22
Q

What happens when the APU EMER STOP button is pushed after a fire has been detected?

A

APU shuts down immediately without a one minute cooldown.
APU shutoff valve closes
APU FIRE EXTG button illuminates

23
Q

What happens if the APU EMER STOP button is not pushed after a fire has been detected?

A

After one minute, the APU FIRE EXTG illuminates.

On the ground, the APU will automatically shut down after 10 seconds.

24
Q

What does it take for the APU FIRE EXTINGUISHER light to illuminate?

A

APU EMER STOP button has been pushed in when an APU fire is detected, or one minute after detection with no pilot action

25
Q

When does the red bar illuminate on the APU EMER STOP button?

A

When an APU fire is detected

26
Q

What is the importance of pressing the APU EMER STOP button before using the APU FIRE EXTG button?

A

With the APU running, it would act as a venturi and suck the halon overboard, wasting the only halon fire bottle

27
Q

Pressing the APU FIRE EXTINGUISHER button causes what?

A

APU fire bottle discharges
APU shuts down
APU fuel shutoff valve closes

28
Q

Can the low rate bottle be discharged before the one minute is up for the cargo compartment in flight?

A

Yes, by pushing the associated fire extinguisher button again

29
Q

How can the low rate cargo compartment fire bottle discharge automatically on the ground after one minute?

A

The flight crew must push the fire extinguisher button again

30
Q

Will the low rate cargo fire extinguisher bottle discharge automatically on the ground after one minute?

A

The flight crew has to push the extinguisher button again

31
Q

Can cargo fire extinguishing be used if no smoke is detected?

A

Yes

32
Q

If no smoke is detected, explain the logic for using the CARGO FIRE EXINGUISHER button in flight.

A

Press once to arm the high rate bottle
Press again to fire the high rate and arm the low rate bottle
The low rate bottle will automatically deploy after one minute

33
Q

If no smoke is detected, explain the logic for the CARGO FIRE EXTINGUISHER button on the ground.

A

Press once to arm the high rate bottle
Press again to discharge high rate bottle and arm low rate bottle
Press a third time to discharge the low rate bottle

34
Q

If smoke is detected, explain the logic for the CARGO FIRE EXTINGUISHER button on the ground

A

The cargo fire extinguisher button must be pushed twice. First time the high rate bottle discharges immediately and arms the low rate bottle. Second time discharges the low rate bottle

35
Q

If smoke is detected, explain the the logic for the CARGO FIRE EXTINGUISHER in flight

A

Pushed once, the high rate bottle is discharged immediately. After one minute the low rate bottle discharges

36
Q

How many fire bottles are installed for the cargo compartments?

A

2, one high rate and one low rate

37
Q

What is the difference between the low rate and high rate cargo extinguisher bottles?

A

The high rate bottle discharges immediately. The low rate protects the compartment from relighting for 75 minutes

38
Q

How long does the low rate bottle protect the selected cargo compartment?

A

75 minutes

39
Q

Can one cargo fire extinguisher bottle be used for one cargo compartment and the other for the other cargo compartment?

A

No, they must both be used for the same cargo compartment

40
Q

How are the lavatories protected from fire?

A

One fire extinguisher bottle located in each waste container that automatically discharges when the temperature exceeds a certain limit

41
Q

What are the indications that smoke is detected in either lavatory?

A

LAV SMOKE EICAS message
Two master warning lights illuminate
Aural alarm in the lavatory
Rainbow light will illuminate flashing orange
Smoke detector light in the lav will illuminate

42
Q

When the lavatory smoke detector is set off, will the flight deck know which lavatory it is?

A

No. The generic EICAS LAV SMOKE message illuminates and the cabin rainbow light must be used in the cabin to determine which bathroom it is

43
Q

Which fire extinguisher bottles on the aircraft work automatically?

A

Lavatory trash container

44
Q

Halon fire extinguishers should be used on which type of fires?

A

Electrical and flammable liquid fire

45
Q

Will pulling the engine fire handle cause the extinguisher bottle to deploy?

A

No, the handle must be rotated counterclockwise to deploy the first bottle

46
Q

How to you deploy the second bottle to the same engine?

A

Use the respective fire handle and rotate clockwise

47
Q

What does it mean if you deploy a fire bottle and the CAS message is still active?

A

The fire is not out

48
Q

On what buses are the fire extinguisher bottles?

A

1A/1B HOT BATT BUS 1

2A/2B HOT BATT BUS 2

Republic Airways (18 decks)

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