SW DUCHESS is a Research Vessel built in 2011 and flying the Cyprus flag, placing it in its 15th year of service. The vessel reports a deadweight tonnage of 2,978 metric tonnes, a gross tonnage of 7,142, and a length overall of 102.2 metres. This vessel is configured for specialized research operations. SW DUCHESS is classed by DNV-GL (ex DNV), which is a member of the International Association of Classification Societies. The vessel has been observed in West Africa and the South America East Coast over recent periods. It has previously operated under one former flag and has been registered under three different names. Over the last 36 months it has had 2 port state control (PSC) inspections and no detentions. The most recent inspection was on 7 July 2026.
SW DUCHESS is a Research Vessel built in 2011. It is currently in its 15th year of service.
The vessel has a length overall of 102.2 metres and a beam of 19.2 metres. It operates with a maximum draught of 6.5 metres.
The vessel is classed by DNV-GL (ex DNV), which is an IACS member. Its current class status is listed as Delivered.
Over the last 36 months it has had 2 port state control (PSC) inspections and no detentions, with no deficiencies recorded. The most recent inspection was on 7 July 2026. All-time records show 12 inspections since 2011 and no detentions.
The vessel has been active in West Africa and the South America East Coast. These regions represent its most recent recorded geographic areas of operation.
Live AIS via Rynda — combined with classification, PSC, sanctions and ownership data.