Czechoslovakian the CSPD steam tug Liptov sighted on the Danube according to a CIA report dated 29 March 1955

An item dated 4 January 1955 reported the CSPD (Ceskoslovenska Plavda Dunajska) steam tug Liptov sighted on the Danube below Bratislava, Czechoslovakia [nowadays Slovakia] while towing upstream loaded barges and the loaded tanker V.

Source
The report was published on www.archive.org, document number CIA-RDP80-00810A006200800008-0