MMSI 368198980 · Call sign WDM3631
Not yet on Master's MateZero Nine, a commercial trawler hailing from the United States, measures 14 metres on deck. Zero Nine has a beam of 4.6 m and a 2.4 m draft. On the registers she's MMSI 368198980, call sign WDM3631. The Master's Mate Safety Initiative Network welcomes Zero Nine — free to join, cruiser-run, and always on watch.
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 Zero Nine on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.