The Hungarian light motor tug Ipoly according to a CIA report dated 3 December 1953

An item reported that the Hungarian-Soviet Shipping Company (Magyar-Szovjet Hajozasi Reszvenytarsasag=Meszhart) possessed the coal fuelled light tug Ipoly with a horsepower of 110hp (continue rating) and serving on the Tisza river.

Source
The report was published on www.archive.org, document number CIA-RDP80-00810A003000260005-5