21D6 B
 You are in voice communication on Ch-16 with a vessel in Distress that advises you they are unable to contact a Coast Station. What action would you take?
A. Send a DSC Distress Relay transmission on Ch-16.
B. Attempt to contact a Coast Station using voice on Ch-16 with a Mayday Relay.
C. Make an all ships call with Urgency priority.
D. Call the Coast Station on Ch-70 with Distress priority giving the other vessel's position.
