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The VDU patches below will update certified libraries on Edition 39 to 47/24.

* 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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CoastalĀ Libraries     

 

*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
COA26A Oregon and Washington State, United States   Edition 39
       2.1 MB
  Windows
       475.0 KB
N/A -
COA26B Southern British Columbia, Canada N/A   Windows
       1.5 MB
N/A -
COA26C Northern British Columbia, Canada N/A   Windows
       1.8 MB
N/A -
COA26D Alaska, United States   Edition 39
       8.9 MB
  Windows
       2.3 MB
N/A -