The Hungarian inland tug Mátyás according to a CIA report dated 11 December 1953

An item reported that the Hungarian-Soviet Navigation Company (Meszhart) founded in 1946 taken over the properties of the Austro-Hungarian Danube Steamship Company (DDSG) which was taken over by the Soviet Union which considered this company as German. She possessed the inland tug Mátyás serving on the Tisza.

Source
The report was published on www.archive.org, document number CIA-RDP80-00810A003100060007-4