BIG JOHN is an Offshore Supply Ship built in 1969 and flying the Panama flag, placing it in its 57th year of service. The vessel reports a deadweight tonnage of 590 metric tonnes and a gross tonnage of 195. Given its specifications, it is a small-scale utility vessel designed for offshore support operations. The vessel is classed by Other, which is not an IACS member. Recent observation data shows the vessel has been active in the Indian Ocean, the Java Sea, and the South China Sea. It has previously operated under one former name and one former flag. No port state control (PSC) inspection records are on file for this vessel.
BIG JOHN is an Offshore Supply Ship. It was built in 1969 and is currently in its 57th year of service.
The vessel has a deadweight tonnage of 590 metric tonnes. Its gross tonnage is recorded at 195.
The vessel has been observed in the Indian Ocean, the South China Sea, and the Singapore Strait. These areas represent its most recent geographic operational profile.
No port state control (PSC) inspection records are on file for this vessel.
The vessel currently flies the Panama flag. It has previously operated under one different flag state during its service history.
Live AIS via Rynda — combined with classification, PSC, sanctions and ownership data.