MMSI 338227000 · Call sign WOHN
Not yet on Master's MateOHIO is a tanker flying the flag of the United States, 183 metres on deck. Her hull carries a beam of 32 m and a draft measuring 11.6 metres. Her registration reads MMSI 338227000, call sign WOHN, IMO 9704776. Bring OHIO aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Joining the Safety Initiative Network doesn't just put OHIO on the map. It hands you the full bridge:
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