MMSI 367706830 · Call sign WDI5265
Not yet on Master's MateCapt Duffy flies the American flag — a 19.7-metre work boat. Below, she has a 8.5-metre beam and a draft measuring 2.9 metres. Look for MMSI 367706830, call sign WDI5265. Sign Capt Duffy up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
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 Capt Duffy on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.