last seen 58°N 2°E · Jun 2026 · MMSI 565798000
Not yet on Master's MateCOSL PROMOTER is a boat. On AIS she appears as MMSI 565798000. Give COSL PROMOTER the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
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 COSL PROMOTER on the map. It hands you the full bridge:
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