When must a pilot who deviates from a regulation during an emergency send a written report of that deviation to the Administrator?

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If the aircraft’s radio fails, what is the recommended procedure when landing at a controlled airport?

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If Air Traffic Control advises that radar service is terminated when the pilot is departing Class C airspace, the transponder should be set to code

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What action, if any, is appropriate if the pilot deviates from an ATC instruction during an emergency and is given priority?

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