''Pyotr Lebedev'' is a

research vessel A research vessel (RV or R/V) is a ship or boat designed, modified, or equipped to carry out research at sea. Research vessels carry out a number of roles. Some of these roles can be combined into a single vessel but others require a dedicated ...

, built at

Wärtsilä Wärtsilä Oyj Abp (), trading internationally as Wärtsilä Corporation, is a Finnish company which manufactures and services power sources and other equipment in the marine and energy markets. The core products of Wärtsilä include technol ...

Crichton-Vulcan Crichton-Vulcan is an abandoned shipyard in Turku, Finland, that once formed the cornerstone of the Finnish shipbuilding industry. The shipyard is best known for the World War II coastal defence ships and submarines it produced. Shipbui ...

Turku Turku ( ; ; sv, Åbo, ) is a city and former capital on the southwest coast of Finland at the mouth of the Aura River, in the region of Finland Proper (''Varsinais-Suomi'') and the former Turku and Pori Province (''Turun ja Porin lääni''; ...

, Finland, originally as a merchant vessel ''Chapayev'' in 1957. She was subsequently acquired for the

Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, ...

and refitted as a research ship. The vessel was owned and operated by the

Andreev Acoustics Institute The N. N. Andreyev Acoustics Institute, (also the Andreyev Acoustics Institute or simply the Acoustics Institute) is a Russian research facility dedicated to the study of acoustics. It was established in 1953 in Moscow Moscow ( , US chiefly ...

, and was used to make hydrophysical observations of the Atlantic Ocean such as during the Polygon experiment.Tatusko & Levitus, pp. 41–42 ''Pyotr Lebedev'' possessed five on-board laboratories used to study hydroacoustics, hydrology, hydrobiology, hydrochemistry, and electronics. The ship was active as a research vessel from 1967 until 1977.Tatusko & Levitus, p. 100 She is current registered in

Saint Vincent and the Grenadines Saint Vincent and the Grenadines () is an island country in the Caribbean. It is located in the southeast Windward Islands of the Lesser Antilles, which lie in the West Indies at the southern end of the eastern border of the Caribbean Sea ...

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References

* * Research vessels of the Soviet Union Ships built in Turku {{ship-stub