The Hungarian inland sidewheel coal-fuelled steam tug Tihany 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 sidewheel coal-fuelled steam tug Tihany with 1 funnel and 550 hp horsepower.

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