Japan · last seen 34°N 135°E · Jun 2026 · MMSI 431006012
Not yet on Master's MateHOUSEIMARU N0.18 flies the Japanese flag — a craft. On AIS she shows as MMSI 431006012. HOUSEIMARU N0.18 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 HOUSEIMARU N0.18 on the map. It hands you the full bridge:
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