YOKO MARU (IMO 9057903)
YOKO MARU is a Tug built in 1992 and flying the Japan flag, placing it in its 34th year of service. The vessel reports a gross tonnage of 194 and has a deadweight tonnage of 0. This small-scale vessel is configured for specialized towing and harbor assistance operations. The vessel is classed by Other and is not an IACS member. It has been observed operating in the East Asia region. The vessel has a history of one former name and has operated under one previous flag. No port state control (PSC) inspection records are on file for this vessel.
- Type: Tug
- Flag: Japan
- Year built: 1992
- MMSI: 431400075
- Call sign: JG5177
- Gross tonnage: 194
- Deadweight: 0 t
- Registered owner: TOKYO KINKAI/NIPPON MARINE (Japan)
- Ship manager: NIPPON MARINE SERVICE (Japan)
- Last AIS position: 35°36.4′N · 139°54.1′E · Speed 0.2 kn · under way · received 14 October 2026 at 07:05 UTC
Frequently asked questions
What type of vessel is YOKO MARU?
YOKO MARU is a Tug. It was built in 1992 and is currently in its 34th year of service.
What is the gross tonnage of YOKO MARU?
The vessel has a gross tonnage of 194. Its deadweight tonnage is recorded as 0.
Where has YOKO MARU been operating?
The vessel has been observed in the East Asia region. This is the primary geographic area noted in its recent movement data.
What is the PSC inspection history for YOKO MARU?
No port state control (PSC) inspection records are on file for this vessel.
How many previous names has the vessel had?
The vessel has been registered under one former name. It has also operated under one previous flag state during its history.
Live AIS via Rynda — combined with classification, PSC, sanctions and ownership data.