ONE THESEUS is a Container Ship built in 2008 and flying the Japan flag, placing it in its 18th year of service. The vessel reports a deadweight tonnage of 80,220 metric tonnes, a gross tonnage of 76,862, and a length overall of 304 metres. This size and capacity are typical for medium-to-large container vessels operating on major regional trade routes. ONE THESEUS is classed by Nippon Kaiji Kyokai, which is an IACS member. The vessel has been observed in the South China Sea, the Malacca Strait, and the Singapore Strait over recent periods. It has previously operated under two different names and two different flag states. Over the last 36 months it has had 7 port state control (PSC) inspections and no detentions. The most recent inspection was on 22 June 2026.
ONE THESEUS is a Container Ship built in 2008. It is currently in its 18th year of service.
The vessel has a length overall of 304 metres and a beam of 40 metres. It possesses a deadweight tonnage of 80,220 metric tonnes.
The vessel is classed by Nippon Kaiji Kyokai. This society is a recognized member of the International Association of Classification Societies (IACS).
Over the last 36 months it has had 7 port state control (PSC) inspections and no detentions, with 14 deficiencies recorded. The most recent inspection was on 22 June 2026. All-time records show 43 inspections since 2009 and 1 detention. The most recent detention was on 8 October 2015.
The vessel has been active in East Asia, South East Asia, and South Asia. Specific transit areas include the Malacca Strait and the Singapore Strait.
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