last seen 51°N 1°W · Jun 2026 · MMSI 232022465
Not yet on Master's MateMAST 13 is a boat. She broadcasts as MMSI 232022465. MAST 13 is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
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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 MAST 13 on the map. It hands you the full bridge:
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