MMSI 367165720 · Call sign WDD5917
Not yet on Master's MatePontchartrain flies the American flag — a craft. She broadcasts as MMSI 367165720, call sign WDD5917. Pontchartrain is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
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 Pontchartrain on the map. It hands you the full bridge:
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