When do the FADEC Channels Switch?

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Prepare for the GoJet Airlines CRJ-550 Test. Use flashcards, multiple choice questions, and detailed explanations to ace your exam!

Multiple Choice

When do the FADEC Channels Switch?

Explanation:
FADEC uses two redundant channels that alternate control to ensure continued engine management even if one channel has an issue. The switching is performed as part of the start sequence, and it happens on each successive engine start. This design exercises both channels regularly, validates that the standby channel is healthy, and guarantees a smooth handover if a fault appears. The switch is automatic and occurs during starting, not during cruise or after landing, so flight operation remains continuous and transparent to the crew.

FADEC uses two redundant channels that alternate control to ensure continued engine management even if one channel has an issue. The switching is performed as part of the start sequence, and it happens on each successive engine start. This design exercises both channels regularly, validates that the standby channel is healthy, and guarantees a smooth handover if a fault appears. The switch is automatic and occurs during starting, not during cruise or after landing, so flight operation remains continuous and transparent to the crew.

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