EFFECTIVE is a Research Vessel built in 1993 and flying the United States of America flag, placing it in its 33rd year of service. The vessel reports a deadweight tonnage of 2,655 metric tonnes and a gross tonnage of 3,347. This vessel is configured for specialized research operations. No classification society or IACS membership data is currently available for this vessel. There are no recent geographic observations recorded in the provided data. The vessel has operated under one former name and one former flag state. Over the last 36 months it has had 1 port state control (PSC) inspection and no detentions. The most recent inspection was on 23 April 2026.
EFFECTIVE is classified as a Research Vessel. It was built in 1993 and is currently in its 33rd year of service.
The vessel has a gross tonnage of 3,347. It also reports a deadweight tonnage of 2,655 metric tonnes.
Over the last 36 months it has had 1 port state control (PSC) inspection and no detentions, with 5 deficiencies recorded. The most recent inspection was on 23 April 2026. All-time records show 1 inspection since 2026 and no detentions.
The vessel currently flies the United States of America flag. Its history shows it has operated under 1 former flag state.
The vessel has undergone 5 ownership changes throughout its service life. It has also been registered under 1 former name.
Live AIS via Rynda — combined with classification, PSC, sanctions and ownership data.