MMSI 367042440 · Call sign WDC5525
Not yet on Master's MateRegistered in the United States, Spirit of Ontario I is a craft. Officially she's MMSI 367042440, call sign WDC5525. It's free to add Spirit of Ontario I to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
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 Spirit of Ontario I on the map. It hands you the full bridge:
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