MMSI 367459540 · Call sign WDF5115
Not yet on Master's MateThuan Hai is an American boat. She's on record as MMSI 367459540, call sign WDF5115. It's free to add Thuan Hai 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 Thuan Hai on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.