MMSI 244690996 · Call sign PH5051
Not yet on Master's MateWILLEM is a boat under the Dutch flag, 46 metres overall. She carries 13 metres in the beam. On AIS she shows as MMSI 244690996, call sign PH5051. It's free to add WILLEM 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 WILLEM on the map. It hands you the full bridge:
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