MMSI 368210170 · Call sign WDM4832
Not yet on Master's MateU Should Tri is a craft hailing from the United States. Officially she's MMSI 368210170, call sign WDM4832. It's free to add U Should Tri 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 U Should Tri on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.