xmlns:atom="http://www.w3.org/2005/Atom"
As referred to in Article 4(3)(a), in particular the following data shall be supplied:
waterway axis with kilometre indication,
restrictions for vessels or convoys in terms of length, width, draught and air draught,
operation times of restricting structures, in particular locks and bridges,
location of ports and transhipment sites,
reference data for water level gauges relevant to navigation.