An item dated 2 May 1955 reported the Romanian
NAVROM (Navigatia Maritima si Fluvial Romana) motor tug Horia on the Danube
kilometre marker (DKM) 186 while towing NAVROM barges loaded with Pyrites
(Russian iron ore). She was again sighted on 19 May 1955 off DKM 1760 towing
MAVROM barges loaded with planks underway towards Komarno,
Czechoslovakia ( nowadays Slovakia)
Source