RYOYU MARU (IMO 9873993)
RYOYU MARU is a Chemical Tanker built in 2019 and flying the Japan flag, placing it in its seventh year of service. The vessel reports a deadweight tonnage of 890 metric tonnes and a gross tonnage of 434. Given its specifications, it is configured for specialized chemical transport operations. The vessel is classed by the Flag authority. It has been observed operating in the East Asia region over recent periods. The vessel has a history involving one former name and one former flag state. No port state control (PSC) inspection records are on file for this vessel.
- Type: Chemical Tanker
- Flag: Japan
- Year built: 2019
- MMSI: 431013295
- Call sign: JD4616
- Gross tonnage: 434
- Deadweight: 890 t
- Registered owner · Ship manager: SUZUKA KAIUN KK (Japan)
- Last AIS position: 35°36.0′N · 139°54.6′E · Speed 0.0 kn · under way · received 11 October 2026 at 11:35 UTC
- Destination: Chiba (JP CHB)
Frequently asked questions
What is the vessel type of RYOYU MARU?
RYOYU MARU is a Chemical Tanker. It was built in 2019 and is currently in its seventh year of service.
What are the capacity specifications for RYOYU MARU?
The vessel has a deadweight tonnage of 890 metric tonnes. Its gross tonnage is recorded at 434.
Which flag does the vessel 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 this vessel?
No port state control (PSC) inspection records are on file for this vessel.
Where has RYOYU MARU been observed?
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.