Term
| Where is fire and/or overheat protection provided? |
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Definition
Engines
Jet Pipes and pylons
APU
Main landing gear |
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Term
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Definition
| Combustion area of engine - detection and extinguishing |
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Term
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Definition
| Jet pipe and pylon - detection only |
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Term
| How is a loop failure/short identified? |
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Definition
| FIRE FAIL, JETPIPE OVHT FAIL, or MLG OVHT FAIL caution |
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Term
| What is thermal discharge relief pressure of the FIREX Bottles? |
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Definition
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Term
| What occurs when the ENG FIRE push switch is pressed? |
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Definition
Arms squibs
Lights "BOTTLE ARMED PUSH TO DISCH"
Shuts down gen
Disables igniters
Closes SOVs: bleeds, hydraulic, and fuel |
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Term
| What occurs when the APU FIRE push switch is pressed? |
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Definition
Arms squibs
Lights "BOTTLE ARMED PUSH TO DISCH"
Shuts down gen
Shuts down APU
Closes LCV
Closes SOVs: fuel and neg g |
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Term
| Which areas utilize smoke detectors? |
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Definition
Baggage compartment
Lavatory |
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Term
| Which systems contain loop detectors? |
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Definition
Engine, engine jetpipe and pylon
APU enclosure
Main landing gear bay |
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Term
| What pressure are the FIREX bottles charged to? |
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Definition
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Term
| During the "Engine Fire/Severe Damage (in flight)" procedure, how many seconds after ENG FIRE switch is pushed is the first bottle discharged, if warning persists? |
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Definition
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Term
| During the "Engine Fire/Severe Damage (in flight)" procedure, how many seconds after the first bottle has been discharged is the second bottle discharged, if warning persists? |
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Definition
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Term
| During the "APU FIRE" procedure, how many seconds after APU FIRE switch is pushed is the APU bottle discharged, if warning persists? |
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Definition
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Term
| What is the purpose of the FAIL position on the FIRE DET switch? |
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Definition
| It verifies the ability of the detection control units to discriminate between an actual overheat/fire and a shorted loop. |
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Term
| What are the indications of a successful Fire Det Warning test? |
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Definition
Fire bell
L/R ENG FIRE PUSH sw/lts
APU FIRE PUSH sw/lts
Master Warning
"Jetpipe overheat" aural warning |
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