MMSI 366746760 · Call sign WCB5290
Not yet on Master's MateOut of the United States, LIONHEART is a 12.1-metre cruising boat. She carries a beam of 3.8 m and a 1.8 m draft. On AIS she shows as MMSI 366746760, call sign WCB5290. There's a place for LIONHEART on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
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 LIONHEART on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.