MMSI 367625440 · Call sign WDH5190
Not yet on Master's MateJames Brennan, a work boat sailing under the American flag, measures 18.7 metres on deck. She has a 7.6-metre beam and a draft measuring 1.9 metres. Find her under MMSI 367625440, call sign WDH5190. Put James Brennan 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 James Brennan on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.