MMSI 366880720 · Call sign WDB2864
Not yet on Master's MateDoyle is an American workboat — 21 metres overall. She's built with a beam of 7.3 m and a 3.2 m draft. On AIS she shows as MMSI 366880720, call sign WDB2864, IMO 7129465. It's free to add Doyle to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Joining the Safety Initiative Network doesn't just put Doyle on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.