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22 Cards in this Set
- Front
- Back
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What systems have fire detection and protection?
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Engines
APU Cargo compartments Lavatories |
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Are the cockpit and cabin protected from fire?
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Yes
Cockpit: 1 extinguisher Cabin: 4 extinguishers |
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Can both engine fire bottle be used for on engine?
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Yes
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What is the power source for engine and APU fire detection and protection?
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Engine Detection: DC ESS
Engine Protection: HOT BATT APU Detection: DC ESS APU Protection: DC ESS |
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Describe the engine and APU fire detection systems
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Engine: 8 pneumatic detectors (2 loops per engine
APU: 2 pneumatic detectors (2 loops) |
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Describe the fire test
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Aural Warnings:
Fire Bell Triple chime Overhead: Fire handles 1&2 Cargo Smoke FWD&AFT ext buttons APU ext button APU EMER STOP button Glareshield: Master Warning (Left & Right) EICAS: ENG 1 (2) FIRE CARGO FWD (AFT) SMOKE APU FIRE FIRE (Engine 1&2 ITT gauge) |
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What happens when a engine fire handle is pulled
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Closes fuel SOV
Closes hydraulic SOV Closes bleed SOV |
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What is an indication of an APU fire?
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Fire bell
Red light on EMER STOP button APU FIRE displayed on EICAS |
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Will the APU automatically shutdown if a fire is detected?
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Only on the ground
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What happens if the APU EMER STOP button is pushed after a fire has been detected?
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APU shuts down immediatly
APU fuel SOV closes APU FIRE EXTG button illumiates |
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What happens if the APU EMER STOP button is not pushed after a fire has been detected?
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After one minute the APU FIRE EXTG button illuminates
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Will the APU fire extinguisher automatically discharge?
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No
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How many smoke detectors are installed in the cargo compartments?
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FWD: 3
AFT: 2 |
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What happens to the forward cargo compartment when smoke is detected? Why?
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Recirc fan shuts off
Ventilation outflow valve closes Prevents oxygen from entering and Halon from escaping |
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How many extinguishing bottles are installed for the cargo compartments?
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2 for both: 1 high-rate, 1 low-rate
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What is the difference between the high-rate and low-rate bottles?
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High-rate: saturates compartment immediately
Low-rate: maintains saturation over a duration of time |
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How long will the low-rate bottle remain active ?
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60 minutes
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Can one bottle be used for one compartment and the other used for another compartment?
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No
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What happens when the cargo extinguishing button is pushed if smoke has been detected?
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High-rate bottle discharges immediately
Low-rate bottle discharges after one minute if in flight If on the ground the low-rate bottle will NOT automatically discharge |
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During flight can the low-rate bottle be discharged before the one minute is up?
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Yes, by pushing the button again
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Can cargo extinguishing be used if no smoke is detected?
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Yes, the button must be pushed twice
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How are the lavs protected from fire?
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Heat-sensitive extinguishers in the waste bins automatically discharge if a predetermined temperature is reached
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