KOSHO MARU (IMO 9839234)
KOSHO MARU is a Chemical/Oil Products Tanker built in 2017 and flying the Japan flag, placing it in its ninth year of service. The vessel reports a deadweight tonnage of 1,235 metric tonnes and a gross tonnage of 498. Given its specifications, it is configured for specialized liquid cargo transport. The vessel is classed by the flag authority. It has been observed in the East Asia region over recent periods. KOSHO MARU has operated under one former name and one former flag state. No port state control (PSC) inspection records are on file for this vessel.
- Type: Chemical/Oil Products Tanker
- Flag: Japan
- Year built: 2017
- MMSI: 431010694
- Call sign: JD4312
- Gross tonnage: 498
- Deadweight: 1235 t
- Registered owner · Ship manager: MATSUDA KISEN CO LTD (Japan)
- Last AIS position: 35°29.2′N · 139°48.2′E · Speed 0.0 kn · under way · received 16 October 2026 at 16:28 UTC
- Destination: Kawasaki (JP KWS)
Frequently asked questions
What is the vessel type of KOSHO MARU?
KOSHO MARU is a Chemical/Oil Products Tanker. It was built in 2017 and is currently in its ninth year of service.
What are the capacity specifications for KOSHO MARU?
The vessel has a deadweight tonnage of 1,235 metric tonnes. Its gross tonnage is recorded at 498.
Which flag does KOSHO MARU fly?
The vessel currently flies the Japan flag. It has previously operated under one different flag state during its history.
What is the PSC inspection history for KOSHO MARU?
No port state control (PSC) inspection records are on file for this vessel.
Where has KOSHO MARU been operating?
The vessel has been observed in the East Asia region. This area represents its primary recent geographic area of operation.
Live AIS via Rynda — combined with classification, PSC, sanctions and ownership data.