"Jury Dolgoruky" - one of the oldest whaling factory ships of Soviet Union - has been built in 1926 at shipyard in Hamburg as passenger cargo vessel and had the original name "Hamburg". In March, 1945 "Hamburg"  was blown up on english air-mines and sank not far from Sassnitz and only in September, 1950 was refloated and delivered for rebuilding to Antwerp, then - to GDR to Warnow shipyard at port Varnemjunde. This vessel became the most expensive under repair object after the ending of the Second World war (cost about 150.875 million DM).
 From 1960 to 1975 the whaling flotilla "Jury Dolgoruky" carried out 15 expeditions to Antarctic Region. In total in expedition of a flotilla participated about 1060 person.
 Whaling ships of a flotilla had displacement 1270 т, length of 63.6 m, width of 9.5 m, height of a board to 7.2 m, are equipped with four 900 h.p. diesel engines.
  "Hamburg" also had three sister vessels. "Hansa" ex"Albert Ballin" sank on 06.03.1945 not far from Warnemunde, "Deutschland" sank at Lubeck on 03.05.1945, "New York" sank at Kiel on 03.04.1945. After World War II  "Hansa" and "Hamburg" were given to the Soviet Union as war reparation. Other two vessel of this type were given to United Kingdom. The English refloated both vessels but decided to scrap them. But Soviet Union refloated both vessels and "Hamburg" was converted to whaling factory but "Hansa" was refitted for using as passenger vessel. "Sovetskiy Soyuz" ex"Hansa" operated on the soviet Far East up to 80s.