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The VDU patches below will update certified libraries on Edition 23 to 38/24.

* 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.

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Northern Canada      

 

*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    N/A NtM
date
GEN28A Labrador, Canada / Lower Hudson Bay, Canada - 96W to 51W N/A   Windows
       507.4 KB
N/A -
GEN28B Baffin Bay, Davis Strait, Greenland / Lincoln Sea, Greenland - 63W to 51W N/A   Windows
       177.0 KB
N/A -
GEN28C Ellesmere Island, Canada - 90W to 63W N/A   Windows
       2.5 KB
N/A -
GEN28D Queen Elizabeth Islands/Arctic Ocean, Canada - 120W to 90W N/A   Windows
       2.4 KB
N/A -
GEN28E Victoria Island, Prince of Wales Island, Canada - 120W to 90W N/A   Windows
       2.8 KB
N/A -
GEN28F Upper Hudson Bay, Baffin Island, Canada - 90W to 63W N/A   Windows
       4.6 KB
N/A -