MMSI 366722180 · Call sign WDM6124
Not yet on Master's MateLionheart is an American family boat, measuring 8.5 metres. She's built with a 3.1-metre beam and a 1.6 m draft. Look for MMSI 366722180, call sign WDM6124. Lionheart is exactly the kind of boat the Master's Mate Safety Initiative Network was built for — free, simple, and always on watch.
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.