When can routine communications be resumed when radio silence has been imposed?

Correct Answer: Option C — Routine communications can resume after the Rescue Coordination Center transmits a message on the frequency or channel being used for emergency communications stating that such traffic has concluded.

Under USCG National Maritime Center examination standards, the accepted correct answer is: Routine communications can resume after the Rescue Coordination Center transmits a message on the frequency or channel being used for emergency communications stating that such traffic has concluded..