last seen 53°N 6°E · Jun 2026 · MMSI 246161000
Not yet on Master's MateUK158 WILLEM JACOB is a craft. Look for MMSI 246161000. UK158 WILLEM JACOB 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 UK158 WILLEM JACOB on the map. It hands you the full bridge:
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