Russian steam tug Ochekov according to a CIA report dated 11 December 1951

An item reported that at the Obuda shipyards, Hungaria built steam tug Ochekov with a horsepower of 800hp was delivered to the Soviet Union on 1 November 1950.

Source
The report was published on www.archive.org, document number CIA-RDP80-00809A000700040126-6