''Dana'' was the primary Danish research vessel for almost 40 years. It was built in 1937 and served research purposes until 1980. On the first cruise into the North Atlantic in 1938 it was discovered that the ship was unsuited for its purpose, as it was not sufficiently stable to allow scientific work. It was returned to the shipyard and extended by in 1939. During the

Second World War World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...

(1940-1945) the ship was kept and maintained in

Copenhagen Copenhagen ( or .; da, København ) is the capital and most populous city of Denmark, with a proper population of around 815.000 in the last quarter of 2022; and some 1.370,000 in the urban area; and the wider Copenhagen metropolitan ar ...

harbour, but with vital engine parts removed and thus never seized by the German occupation force. The main work from ''Dana'' was to conduct marine biological and hydrographical research in the Baltic, North Sea and waters around

Faroe Islands The Faroe Islands ( ), or simply the Faroes ( fo, Føroyar ; da, Færøerne ), are a North Atlantic island group and an autonomous territory of the Kingdom of Denmark. They are located north-northwest of Scotland, and about halfway bet ...

and

Greenland Greenland ( kl, Kalaallit Nunaat, ; da, Grønland, ) is an island country in North America that is part of the Kingdom of Denmark. It is located between the Arctic and Atlantic oceans, east of the Canadian Arctic Archipelago. Greenland is t ...

. In 1966 ''Dana'' was on a cruise to the

Sargasso Sea The Sargasso Sea () is a region of the Atlantic Ocean bounded by four currents forming an ocean gyre. Unlike all other regions called seas, it has no land boundaries. It is distinguished from other parts of the Atlantic Ocean by its charac ...

and

West Indies The West Indies is a subregion of North America, surrounded by the North Atlantic Ocean and the Caribbean Sea that includes 13 independent island countries and 18 dependencies and other territories in three major archipelagos: the Greater A ...

(cruise leader Erik Berthelsen), with primary aims to conduct hydrographical research and continue research on the

reproductive biology Reproductive biology includes both sexual and asexual reproduction. Reproductive biology includes a wide number of fields: * Reproductive systems * Endocrinology * Sexual development (Puberty) * Sexual maturity * Reproduction * Fertility Human ...

of the

European eel The European eel (''Anguilla anguilla'') is a species of eel, a snake-like, catadromous fish. They are normally around and rarely reach more than , but can reach a length of up to in exceptional cases. Eels have been important sources of fo ...

. ''Dana'' was succeeded by the research vessel ''Dana'' (IV) in 1980. The ship served for a period as guard and crew exchange vessel for oil and gas installations in the

North Sea The North Sea lies between Great Britain, Norway, Denmark, Germany, the Netherlands and Belgium. An epeiric sea on the European continental shelf, it connects to the Atlantic Ocean through the English Channel in the south and the Norwegian S ...

and was eventually sold to P&T Charters. It was completely refurbished, rigged as a 3-masted

schooner A schooner () is a type of sailing vessel defined by its rig: fore-and-aft rigged on all of two or more masts and, in the case of a two-masted schooner, the foremast generally being shorter than the mainmast. A common variant, the topsail schoon ...

under the name of ''Gulden Leeuw'' and continues to sail as a charter vessel.

References

{{reflist 1937 ships Research vessels of Denmark Ships built in Denmark