MMSI 368364980 · Call sign WDP5606
Not yet on Master's MateOut of the United States, Six Fins is a 9.1-metre leisure boat. Six Fins has a beam of 3 m and a 1.9-metre draft. Officially she's MMSI 368364980, call sign WDP5606. It's free to add Six Fins to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
Anchor alarms that wake you, a live camera at the dock, and weather you can trust before every run.
Look after her — claim free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Joining the Safety Initiative Network doesn't just put Six Fins on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.