KOYO MARU (IMO 9617820)
KOYO MARU is a Chemical/Oil Products Tanker built in 2011 and flying the Japan flag, placing it in its 15th year of service. The vessel reports a deadweight tonnage of 1,199 metric tonnes and a gross tonnage of 537. Given its specifications, it is configured for specialized liquid cargo transport. KOYO MARU is classed by Nippon Kaiji Kyokai, which is an IACS member. The vessel has been observed in the East Asia region. 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.
- Type: Chemical/Oil Products Tanker
- Flag: Japan
- Year built: 2011
- MMSI: 431002923
- Call sign: JD3232
- Gross tonnage: 537
- Deadweight: 1199 t
- Registered owner · Ship manager: NISSEN KISEN KK (Japan)
- Last AIS position: 34°39.8′N · 135°11.1′E · Speed 0.0 kn · under way · received 12 October 2026 at 20:17 UTC
- Destination: >JP HHR OFF
Frequently asked questions
What is the vessel type of KOYO MARU?
KOYO MARU is a Chemical/Oil Products Tanker. It was built in 2011 and is currently in its 15th year of service.
What are the capacity specifications for KOYO MARU?
The vessel has a deadweight tonnage of 1,199 metric tonnes. Its gross tonnage is recorded at 537.
Which classification society manages KOYO MARU?
The vessel is classed by Nippon Kaiji Kyokai. This society is a recognized member of the International Association of Classification Societies (IACS).
Where has KOYO MARU been operating recently?
The vessel has been observed in the East Asia region. This is the primary geographic area noted in recent data.
What is the PSC inspection history for KOYO MARU?
No port state control (PSC) inspection records are on file for this vessel.
Live AIS via Rynda — combined with classification, PSC, sanctions and ownership data.