When is the Cockpit Voice Recorder energized?

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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 is the Cockpit Voice Recorder energized?

Explanation:
The Cockpit Voice Recorder is powered by the DC essential bus. This bus is the power path reserved for critical cockpit equipment so it stays energized even when other power sources fail. Because the CVR must continue recording through most abnormal or emergency electrical conditions, tying its power to the essential bus ensures it remains powered when normal power is lost. The other buses—main battery, DC normal, and DC emergency—don’t provide the same guaranteed, continuous power to the CVR across fault conditions, so they’re not the source that energizes the CVR.

The Cockpit Voice Recorder is powered by the DC essential bus. This bus is the power path reserved for critical cockpit equipment so it stays energized even when other power sources fail. Because the CVR must continue recording through most abnormal or emergency electrical conditions, tying its power to the essential bus ensures it remains powered when normal power is lost. The other buses—main battery, DC normal, and DC emergency—don’t provide the same guaranteed, continuous power to the CVR across fault conditions, so they’re not the source that energizes the CVR.

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