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The VDU patches below will update certified libraries on Edition 24 to 22/22.

* 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.

Images
Norway       Svalbard, Norway      

 

*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
(Windows)
Download VDU Patch 
(Unix)
Cancelled or
New Libraries
 N/A     NtM
date
COA21A North Sea, Netherlands N/A   Windows
       182.5 KB
N/A -
COA21B North Sea, Denmark N/A   Windows
       280.8 KB
N/A -
COA21C Kattegat, Denmark - Sweden N/A   Windows
       216.2 KB
N/A -
COA21D Approaches to the Baltic Sea, Germany N/A   Windows
       241.1 KB
N/A -
COA21E Skagerrak, Norway, Sweden N/A   Windows
       919.5 KB
N/A -
COA21F Norway, North Sea N/A   Windows
       186.7 KB
N/A -
COA21G Norway, Norwegian Sea N/A   Windows
       139.0 KB
N/A -
COA21H Norwegian Sea, Norway N/A   Windows
       108.7 KB
N/A -
COA21I Greenland Sea, Svalbard N/A   Windows
       510 Bytes
N/A -