MMSI 230286000 · Call sign OIOI
Not yet on Master's MateESKO is a working tug flagged in Finland, 30 metres from stem to stern. ESKO has a beam of 10 m and a 4.2-metre draft. Look for MMSI 230286000, call sign OIOI, IMO 7927958. Put ESKO 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 ESKO on the map. It hands you the full bridge:
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