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9 Cards in this Set
- Front
- Back
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Are the forward and aft cargo compartments fitted with fire detectors? |
Smoke detectors only |
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How is fire extinguishing achieved in both cargo compartments? |
In the -300ER, 2 bottles are discharge immediately. 4 are metered. (-300 has 3 metered bottles)
The squibs are tested automatically once each flight |
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What happens when either FWD or AFT cargo fire arm switch is pressed? |
Squibs are armed, various circulation fans are shut off, packs commanded to minimum flow and heat turns off |
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How long after the rapid discharge extinguishers do the metered bottles discharge? |
20 mins if the aeroplane has not landed.
If the aeroplane lands, one discharges upon touchdown. If already on the ground, one discharges after 20 mins |
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What happens if both FWD and AFT cargo fire arm switches are selected prior to discharge? |
The extinguishing agent is divided between both compartments and it will be insufficient. |
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How does the main wheel well detect fire? Is there an extinguishing system? |
Dual loop detection system. No extinguishing system. If in flight, extend the landing gear for 20 minutes minimum |
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How is fire detection and extinguishing achieved in each lavatory? |
One smoke detector One heat activated fire extinguishing bottle. |
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How many smoke detectors are in each cargo compartment? How many must fail before the the EICAS ‘DET FIRE CARGO’ |
4 zones. One detector in each zone. All must fail before the system constitutes a failure (or both fans) |
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How many minutes of fire protection are given on the 777-300 and 777-300ER? |
777-300 : 195 minutes 777-300ER : 263 minutes |
