KOYO MARU (IMO 9162148)
KOYO MARU is a Tug built in 1998 and flying the Japan flag, placing it in its 28th year of service. The vessel reports a deadweight tonnage of 1,759 metric tonnes and a gross tonnage of 2,474. This vessel is configured for specialized towing and support operations. KOYO MARU is classed by Nippon Kaiji Kyokai, which is an IACS member. The vessel has been observed in East Asia and the New Guinea Pacific region. It has previously operated under one former name and one former flag. No port state control (PSC) inspections were recorded in the last 36 months; 5 inspections are on file since 2004, the most recent on 20 February 2022.
- Type: Tug
- Flag: Japan
- Year built: 1998
- MMSI: 431330000
- Call sign: JLSC
- Gross tonnage: 2474
- Deadweight: 1759 t
- Port State Control (PSC) inspections: 5 since 2004
- PSC detentions in the last 36 months: 0
- Last PSC inspection: 20/02/2022
- Registered owner · Ship manager · ISM manager: NIPPON SALVAGE CO LTD (Japan)
- Last AIS position: 33°17.8′N · 134°46.1′E · Speed 6.3 kn · restricted in ability to manoeuvre · received 13 October 2026 at 05:17 UTC
- Destination: To be nominated · ETA 16 October 2026 at 20:30 UTC (as broadcast by the vessel)
- Arrival alert: rynda.io messages you by email or in Telegram when KOYO MARU arrives in port. Free for up to 3 vessels.
Frequently asked questions
What is the vessel type of KOYO MARU?
KOYO MARU is a Tug. It was built in 1998 and is currently in its 28th year of service.
What are the tonnage specifications for KOYO MARU?
The vessel has a gross tonnage of 2,474. It also reports a deadweight tonnage of 1,759 metric tonnes.
Which classification society maintains KOYO MARU?
The vessel is classed by Nippon Kaiji Kyokai. This society is a member of the International Association of Classification Societies (IACS).
Where has KOYO MARU been recently observed?
The vessel has been observed in East Asia and the New Guinea Pacific region. These areas represent its most recent recorded geographic activity.
How many PSC inspections has the vessel undergone?
No port state control (PSC) inspections were recorded in the last 36 months; 5 inspections are on file since 2004, the most recent on 20 February 2022.
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