CASTOR (IMO 9444584)

CASTOR is a Tug built in 2008 and flying the Estonia flag, placing it in its 18th year of service. The vessel reports a deadweight tonnage of 174 metric tonnes, a gross tonnage of 437, and a length overall of 34 metres. This vessel is configured for specialized towing and assistance operations. CASTOR is classed by the American Bureau of Shipping, which is a member of the International Association of Classification Societies. The vessel has been observed in the North Europe region. It has previously operated under one former name and has been registered under six different flag states. Over the last 36 months it has had 4 port state control (PSC) inspections and no detentions. The most recent inspection was on 22 September 2026.

Frequently asked questions

What type of vessel is CASTOR?

CASTOR is a Tug. It was built in 2008 and is currently in its 18th year of service.

What are the dimensions of CASTOR?

The vessel has a length overall of 34 metres and a beam of 12 metres. It has a gross tonnage of 437 and a deadweight of 174 metric tonnes.

Which classification society maintains CASTOR?

CASTOR is classed by the American Bureau of Shipping. This society is a member of the International Association of Classification Societies (IACS).

What is the PSC inspection history for CASTOR?

Over the last 36 months it has had 4 port state control (PSC) inspections and no detentions, with no deficiencies recorded. The most recent inspection was on 22 September 2026. All-time records show 14 inspections since 2008 and no detentions.

How many flags has CASTOR flown?

The vessel has operated under 6 different flag states during its career. It is currently flying the Estonia flag.

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