MMSI 368224150 · Call sign WDM6314
Not yet on Master's Matebk1, a harbour workboat under American registration, measures 7.8 metres on deck. She has 3.7 metres in the beam and a draft of 1.2 m. Officially she's MMSI 368224150, call sign WDM6314. Put bk1 on the free Master's Mate Safety Initiative Network and keep the working fleet looking out for each other.
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 bk1 on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.