MMSI 367648630 · Call sign WDN9395
Not yet on Master's MateOn the American registry, SIR WINSTON 1 is a 39-metre passenger ship. She has a 12-metre beam and a draft measuring 2 metres. Find her under MMSI 367648630, call sign WDN9395. The Master's Mate Safety Initiative Network welcomes SIR WINSTON 1 — free to join, cruiser-run, and always on watch.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Joining the Safety Initiative Network doesn't just put SIR WINSTON 1 on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.