FAA Warns Crews about Circuit Breaker Collars | Aviation International News

FAA Warns Crews about Circuit Breaker Collars

Some pilots are confused aboutwhether a circuit breaker has popped or been collared.

By AIN Staff • AIN Staff

December 22, 2014

The FAA issued a safety alert for operators (SAFO 14006) on December 15 to address the potential for cockpit crew confusion while executing some emergency checklist items related to circuit breakers.

The FAA found some crews struggle to clearly identify whether a circuit breaker had popped open or been simply collared with a white tie. The agency also believes that in some cases a breaker might appear to be normal, when it has in fact been collared with a black tie wrap rendering that system inoperative or non-powered.

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