MMSI 368230180 · Call sign WDM7019
Not yet on Master's MateHOLY GRAIL is an American boat. On AIS she shows as MMSI 368230180, call sign WDM7019. The Master's Mate Safety Initiative Network welcomes HOLY GRAIL — free to join, cruiser-run, and always on watch.
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
Claim this boat — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Joining the Safety Initiative Network doesn't just put HOLY GRAIL on the map. It hands you the full bridge:
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