MMSI 366753040 · Call sign WCY5653
Not yet on Master's MateRUTHY B is an American boat. She's on record as MMSI 366753040, call sign WCY5653. RUTHY B can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's 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 RUTHY B on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.