MMSI 367664110 · Call sign WDH9040
Not yet on Master's MateRegistered in the United States, Billson is a 17.1-metre workboat. Billson has a beam measuring 6.7 metres and a 2.7 m draft. Her papers read MMSI 367664110, call sign WDH9040. Bring Billson aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
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 Billson on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.