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The VDU patches below will update certified libraries on Edition 11 to 37/24.

* 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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*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
COA29A Alexander Island to Matha Strait N/A   Windows
       355.1 KB
N/A -
COA29B Matha Strait to Brabant Island N/A   Windows
       1,005.4 KB
N/A -
COA29C Anvers Island to Clarence Island N/A   Windows
       1.1 MB
N/A -
COA29D South Orkney Islands N/A   Windows
       212.6 KB
N/A -
COA29E Ongul Islands to Skarvsnes N/A   Windows
       306.4 KB
N/A -
COA29F Magnet Bay to Cape Filchner N/A   Windows
       1.2 MB
N/A -
COA29G Mill Island to Cape Poinsett N/A   Windows
       339.2 KB
N/A -
COA29H Cape Adare to Cape Daniell N/A   Windows
       424.9 KB
N/A -
COA29I Vahsel Bay and Vicinity including Belgrano Station II, Antarctica N/A   Windows
       630 Bytes
N/A -
COA29J Franklin Island to McMurdo Sound N/A   Windows
       1.1 MB
N/A -
COA29L Halley Base N/A   Windows
       138.2 KB
N/A -
COA29N Dibble Glacier to Mertz Glacier N/A   Windows
       312.8 KB
N/A -