KIYOSU (IMO 9931989)
KIYOSU is a Tug built in 2021 and flying the Japan flag, placing it in its fifth year of service. The vessel reports a gross tonnage of 198 and has no recorded deadweight tonnage. This small-scale vessel is configured for specialized towing and harbor assistance operations. The vessel is classed by the flag authority and currently holds a status of Delivered. No recent geographic observation data is available for this unit in the current dataset. It has previously operated under one former name and one former flag state. No port state control (PSC) inspection records are on file for this vessel.
- Type: Tug
- Flag: Japan
- Year built: 2021
- MMSI: 431017875
- Call sign: JD4992
- Gross tonnage: 198
- Deadweight: 0 t
- Registered owner · Ship manager: NIHON TUG-BOAT CO LTD (Japan)
- Last AIS position: 35°2.2′N · 136°50.8′E · Speed 10.2 kn · under way · received 16 August 2026 at 16:11 UTC
- Destination: Nagoya, Aichi (JP NGO)
- Arrival alert: rynda.io messages you by email or in Telegram when KIYOSU arrives in Nagoya, Aichi. Free for up to 3 vessels.
Frequently asked questions
What is the vessel type of KIYOSU?
KIYOSU is a Tug. It was built in 2021 and is currently in its fifth year of service.
What is the gross tonnage of KIYOSU?
The vessel reports a gross tonnage of 198. There is no deadweight tonnage recorded for this specific unit.
What is the flag status of KIYOSU?
The vessel currently flies the Japan flag. It is categorized within the white band for both the Paris and Tokyo MoUs.
How many inspections has KIYOSU undergone?
No port state control (PSC) inspection records are on file for this vessel.
Has the vessel changed names or flags?
The vessel has one recorded former name. It has also operated under one former flag state during its service history.
Live AIS via Rynda — combined with classification, PSC, sanctions and ownership data.