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The VDU patches below will update certified libraries on Edition 31 to 35/22.

* 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.

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Coastal 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
COA13A Isla Socorro/Baja California, Mexico/Isla de Guadalupe N/A   Windows
       619.2 KB
N/A -
COA13B San Diego to Columbia River   Edition 31
       6.9 MB
  Windows
       2.9 MB
N/A -
COA13C Hawaiian Islands   Edition 31
       1.8 MB
  Windows
       296.9 KB
N/A -
COA13D Gambia Shoal to Kure Atoll   Edition 31
       239.3 KB
  Windows
       466 Bytes
N/A -
COA13E Johnston Atoll   Edition 31
       107.5 KB
  Windows
       341 Bytes
N/A -
COA13F Christmas Island N/A   Windows
       371 Bytes
N/A -