The charts were produced on the basis of the information available at the time of generation and are updated when new data become available (e.g. on water engineering work carried out in the meantime or changes to the riverbed due to flooding). However, we do not assume any liability for the completeness or accuracy of the chart information. Particularly the integrated depth data may change constantly on the account of morphologic conditions in rivers and due to dredging operations. The data provided can only be regarded as information, and authorities do not assume any official liability for the data provided. The dates of each of the surveys can be viewed in the related pick report.
Currently, charts include detailed depth information along the following sections of the Austrian Danube based on following dates of respective surveys:
1872.7 - 1900.0 1900.0 - 1921.0 | East of Vienna | February/March 2012 March/April 2012 |
0.1 - 17.0 | Donaukanal | February 2009 |
1921.4 - 1949.0 | Backwater section Freudenau | April/May 2009 |
1949.6 - 1979.3 | Backwater section Greifenstein | July 2008 |
1980.7 - 1998.0 1998.0 - 2038.0 | Backwater section Altenwörth Wachau | April 2011 April 2011 |
2038.3 - 2060.1 | Backwater section Melk | September 2011 |
2060.5 - 2094.4 | Backwater section Ybbs | January/February 2011 |
2095.9 - 2119.4 | Backwater section Wallsee | June 2007 |
2120.2 - 2146.7 | Backwater section Abwinden | November 2007 |
2147.3 - 2162.6 | Backwater section Ottensheim | May 2010 |
2163.0 - 2201.5 2201.5 - 2203.0 | Backwater section Aschach | May 2008 November 2009 |
2203.4 - 2223.2 | Backwater section Jochenstein | November 2010 |
On the Inland ENCs, the areas of applicability of waterway gauges are indicated. Within these areas, the current water depths and vertical clearance of bridges can be calculated on the basis of actual water levels which are transferred over this website or via Inland AIS. In terms of the safety of navigation, an accuracy of 10 cm is reached. The current water depths and vertical clearances can also exceed 10 cm over the calculated values.
We would like to point out that the promulgation of shipping police regulations pursuant to Art. 22 Navigation Act (Schifffahrtsgesetz), Federal Law Gazette I No. 62/1997 as amended by Federal Law Gazette I No. 9/1998, is executed exclusively by installing or removing notice marks. Navigational charts are only a source of information for boatmasters. When notice marks are posted only for a short period of time, there may be a discrepancy between the actual situation and the chart. This does not have any impact on the validity of any official decrees.
The charts have been carefully examined and checked. However, minor deviations and errors may occur. Therefore, we kindly ask you to send any error messages that you may encounter to: johannes.nemeth@via-donau.org
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