MMSI 261096070 · Call sign SPG4917
Not yet on Master's MateOn the Polish registry, HYDROGRAF-17 is a 24-metre boat. HYDROGRAF-17 has a beam of 7 m and a 1.4-metre draft. Officially she's MMSI 261096070, call sign SPG4917. HYDROGRAF-17 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.
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Joining the Safety Initiative Network doesn't just put HYDROGRAF-17 on the map. It hands you the full bridge:
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