NS 311 (IMO 7913684)

NS 311 is a tug built in 1979 and flying the flag of Thailand; it is in its 47th year of service. The vessel has a gross tonnage of 216. NS 311 has been classed since February 2017 by Flag authority, which is not a member of the International Association of Classification Societies (IACS). The vessel has been observed most often in South East Asia (latest area report: August 2026). It has previously sailed under two other names and two other flags. No port state control (PSC) inspection records are on file for this vessel.

Frequently asked questions

What type of vessel is NS 311?

NS 311 is a tug built in 1979. It is in its 47th year of service.

What flag does NS 311 fly?

NS 311 flies the flag of Thailand. Earlier it sailed under two other flags.

Who classes NS 311?

NS 311 has been classed since February 2017 by Flag authority, which is not a member of the International Association of Classification Societies (IACS).

How many port state control inspections has NS 311 had?

No port state control (PSC) inspection records are on file for this vessel.

Where does NS 311 trade?

The vessel has been observed most often in South East Asia (latest area report: August 2026). It has previously sailed under two other names and two other flags.

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