TENYO (IMO 8602799)
TENYO is a Research Vessel built in 1986 and flying the Japan flag, placing it in its 40th year of service. The vessel reports a deadweight tonnage of 224 metric tonnes and a gross tonnage of 435. This small-scale vessel is configured for specialized research operations. The vessel is classed by Other, which is not an IACS member. It has been observed in the East Asia region over recent periods. The vessel 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: Research Vessel
- Flag: Japan
- Year built: 1986
- MMSI: 431100350
- Call sign: JBBC
- Gross tonnage: 435
- Deadweight: 224 t
- Registered owner · Ship manager: JAPAN GOVT COASTGUARD (Japan)
- Last AIS position: 35°38.1′N · 139°46.7′E · under way · received 26 September 2026 at 05:21 UTC
- Destination: JP TYO A · ETA 26 September 2026 at 07:00 UTC (as broadcast by the vessel)
Frequently asked questions
What is the vessel type of TENYO?
TENYO is a Research Vessel. It was built in 1986 and is currently in its 40th year of service.
What are the tonnage specifications for TENYO?
The vessel has a gross tonnage of 435. It also reports a deadweight tonnage of 224 metric tonnes.
Which flag does TENYO 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 TENYO?
No port state control (PSC) inspection records are on file for this vessel.
Where has TENYO been observed recently?
The vessel has been observed in the East Asia region. This area is the primary recent geographic location for its operations.
Live AIS via Rynda — combined with classification, PSC, sanctions and ownership data.