Russian inland vessels sighted on the Danube off Budapest, Hungary according to a CIA report dated 20 August 1947

An item reported that around 1 May two Soviet Union flagged 400-500 tons motor ships were sighted for the first time on the river around Budapest and probably to serve on the Danube.

Source
The report was published on www.archive.org, document number CIA-RDP82-00457R000800380003-3