GMDSS Element 7 (Radio Operating Practices) USCG Q#136 (Set 5)

MMSI 030346239 indicates what?

Official USCG Answer & Rule Citation

Correct Answer: Option C — Group MMSI.

An MMSI starting with a single zero followed by the country's MID (such as 0303) designates a group MMSI assigned to a fleet of vessels for simultaneous Digital Selective Calling communications.

All GMDSS Element 7 (Radio Operating Practices) Sets Practice Set 5