On the B777-300 OFCR, how many smoke detectors are installed?

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Multiple Choice

On the B777-300 OFCR, how many smoke detectors are installed?

Explanation:
Fire detection coverage in the B777-300 OFCR is the concept here. In this configuration, six smoke detectors are installed to monitor the crew rest areas and nearby compartments, providing early smoke detection across the OFCR package. This exact count comes from the approved OFCR layout for the 777-300, balancing reliable coverage with wiring and maintenance needs. Fewer detectors would create potential blind spots in the rest area; more than six would not match the certified installation. So six is the correct number.

Fire detection coverage in the B777-300 OFCR is the concept here. In this configuration, six smoke detectors are installed to monitor the crew rest areas and nearby compartments, providing early smoke detection across the OFCR package. This exact count comes from the approved OFCR layout for the 777-300, balancing reliable coverage with wiring and maintenance needs. Fewer detectors would create potential blind spots in the rest area; more than six would not match the certified installation. So six is the correct number.

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