MMSI 367619170 · Call sign WDH4575
Not yet on Master's MateDorolyn is an American craft. On AIS she shows as MMSI 367619170, call sign WDH4575. It's free to add Dorolyn 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 Dorolyn on the map. It hands you the full bridge:
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