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The VDU patches below will update certified libraries on Edition 16 to 13/24.

* 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
COA24A Vladivostok, Russia N/A   Windows
       1.1 MB
N/A -
COA24B La Perouse Strait, Japan N/A   Windows
       782.5 KB
N/A -
COA24C Tatar Strait, Russia N/A   Windows
       1.2 MB
N/A -
COA24D Sakhalin-East, Russia N/A   Windows
       535.8 KB
N/A -
COA24E Western Sea of Okhotsk N/A   Windows
       1.0 KB
N/A -
COA24F Northern Sea of Okhotsk N/A   Windows
       697.2 KB
N/A -
COA24G Zaliv Shelikhova, Russia N/A   Windows
       1.1 MB
N/A -
COA24H Penzhiskaya Guba, Russia N/A   Windows
       744 Bytes
N/A -
COA24I Kamchatka-West, Russia N/A   Windows
       744 Bytes
N/A -
COA24J Bering Sea N/A   Windows
       1.7 MB
N/A -
COA24K Aleutian Islands, United States   Edition 16
       1.4 MB
  Windows
       659 Bytes
N/A -
COA24L Kamchatka-East, Russia N/A   Windows
       1.5 MB
N/A -
COA24M Kurile Islands, Russia and Japan N/A   Windows
       1.0 MB
N/A -
COA24N Northern Japan N/A   Windows
       1.1 MB
N/A -