An item dated 6 January 1955 reported the Mahart (Magyar Hajozasi Reszvenytarsasag) steam tug Estergom sighted on the Danube kilometre mark 1902 while towing downstream a barge and a tanker.
Source
The report was published on www.archive.org, document number CIA-RDP80-00810A006200800008-0
Source
The report was published on www.archive.org, document number CIA-RDP80-00810A006200800008-0