Russian inland tug Onega active on the Danube according to a CIA report dated 17 May 1948

An item reported that the one of the most important Russian tugs active on the Danube was the oil-fuelled Onega with a displacement of 550 tons, 2-100hp engines and active between Turnu Severin, Romania and Braila. In July 1947 lying at the shipyard at Budapest, Hungary undergoing engine repairs.

Source
The report was published on www.archive.org, document number CIA-RDP82-00457R001500460010-8