For each waterway section there exists one file. The file "2W7D...." contain all geographical information and relevant shipping police regulations.
The charts have been carefully examined and checked. However, minor deviations and errors may occur. Therefore, we kindly request you to send any error messages that may occur to: johannes.nemeth[at]viadonau.org
Tel: +43 5 04321-1623
07. 06. 2019