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The VDU patches below will update certified libraries on Edition 25 to 09/23.

* To download individual libraries or patches, right-click on the link and choose 'Save Target As' (for IE) or 'Save Link As' (for Netscape). To download multiple files at once, use the checkboxes to select the files, and click the 'Download' button at the bottom of the list. Once the files have been downloaded, the user must use Winzip 9.0 or earlier editions to extract from the .zip files.

Belgium, Netherlands, Germany, Denmark       Norway       Southern Norway & Sweden      


*Rows highlighted below in this color are cancelled libraries since the latest New Edition.*
*Rows highlighted below in this color are new libraries available with the latest New Edition.*

IMPORTANT: As of 15 November 2021, NGA's Maritime Safety Office no longer supports DNC VDU UNIX patches. If you have questions or concerns please contact NGA via the Maritime Quality Feedback System (MQFS)

Number Name Download
full library
Download VDU Patch
Download VDU Patch 
Cancelled or
New Libraries
A2121820 Reine, Norway N/A N/A N/A -
A2122910 Halsoy, Norway N/A N/A N/A -
A2123030 Kvaloya, Norway N/A N/A N/A -
A2123050 Namsos, Norway N/A N/A N/A -
A2123080 Hommelvik, Norway N/A N/A N/A -
A2123090 Approaches to Trondheim, Norway N/A N/A N/A -
A2123100 Approaches to Kristiansund, Norway N/A N/A N/A -
A2123105 Sundalsora, Norway N/A N/A N/A -
A2123110 Molde, Norway N/A N/A N/A -
A2123116 Eggesbones, Norway N/A N/A N/A -
A2123120 Approaches to Alesund, Norway N/A N/A N/A -
A2123130 Approaches to Floro, Norway N/A N/A N/A -
A2123160 Approaches to Bergen, Norway N/A N/A N/A -
A2123330 Sagvag, Norway N/A N/A N/A -
A2123440 Approaches to Haugesund, Norway N/A N/A N/A -
A2123480 Approaches to Stavanger, Norway N/A N/A N/A -
A2123490 Approaches to Egersund, Norway N/A N/A N/A -
A2123500 Rekefjord, Norway N/A N/A N/A -
A2123550 Kristiansand, Norway N/A N/A N/A -
A2123600 Arendal, Norway N/A N/A N/A -
A2123660 Approaches to Brevik, Norway N/A N/A N/A -
A2123810 Approaches to Oslo, Norway N/A N/A N/A -
A2123850 Fulehuk, Norway to Stromstad, Sweden N/A N/A N/A -
A2123910 Hunnebostrand, Sweden N/A N/A N/A -
A2123930 Approaches to Smogen, Sweden N/A N/A N/A -
A2124020 Approaches to Goteborg, Sweden N/A N/A N/A -
A2128890 Approaches to Lubeck, Germany N/A N/A N/A -
A2128930 Approaches to Kiel, Germany N/A N/A N/A -
A2129560 Approaches to Vordingborg, Denmark N/A N/A N/A -
A2129710 Rodbyhaven, Denmark N/A N/A N/A -
A2129720 Nysted, Denmark N/A N/A N/A -
A2129860 Storebaelt, Denmark N/A N/A N/A -
A2130170 Approaches to Fredericia, Denmark N/A N/A N/A -
A2130260 Approach to Arhus, Denmark N/A N/A N/A -
A2130290 Grenaa, Denmark N/A N/A N/A -
A2130430 Approaches to Frederikshavn, Denmark N/A N/A N/A -
A2130640 Esbjerg, Denmark N/A N/A N/A -
A2130710 Approaches to Brunsbuttel, Germany N/A N/A N/A -
A2130766 Approaches to Stadersand, Germany N/A N/A N/A -
A2130800 Approaches to Cuxhaven, Germany N/A N/A N/A -
A2130805 Approaches to Jade and Weser, Germany N/A N/A N/A -
A2130810 Approaches to Bremerhaven, Germany N/A N/A N/A -
A2130900 Approaches to Bremen, Germany N/A N/A N/A -
A2130910 Inner Part of the Jade and Approach to Wilhelmshaven, Germany N/A N/A N/A -
A2130950 Approaches to Emden, Germany N/A N/A N/A -
A2130985 Approaches to Eemshaven, Netherlands N/A N/A N/A -
A2131020 Approaches to Den Helder, Netherlands N/A N/A N/A -
A2131060 Approaches to Amsterdam, Netherlands N/A N/A N/A -
A2131140 Approaches to Rotterdam, Netherlands N/A N/A N/A -
A2131250 Approaches to Antwerpen, Belgium N/A N/A N/A -