MMSI 367066690 · Call sign WS7234
Not yet on Master's MateR. B. is an American working fishing boat — 19.2 metres overall. She's built with a 6.1 m beam and a 1.8-metre draft. She's listed under MMSI 367066690, call sign WS7234. R. B. is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.
Live AIS traffic, weather you can plan around, engine & systems telemetry, and a distress mesh that reaches nearby boats.
Keep the fleet in sight — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Joining the Safety Initiative Network doesn't just put R. B. on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.