Russian tug Sevastopol according to a CIA report dated 17 May 1948

An item dealing with the Russian merchant fleet active on the Rumanian part of the river Danube mentioned the former Austrian tug Centaur nowadays the Russian tug Sevastopol measuring 200 tons and with engines delivering 1.200hp. She served in the rapids.

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