MMSI 368406380 · Call sign WDQ2283
Not yet on Master's MateRIO GULF flies the American flag — a 30-metre harbour tug. Her hull carries a beam measuring 13 metres. Look for MMSI 368406380, call sign WDQ2283, IMO 1089431. Sign RIO GULF 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 RIO GULF on the map. It hands you the full bridge:
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