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The VDU patches below will update certified libraries on Edition 30 to 38/22.

* 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
COA12A West Coast of Japan N/A   Windows
       803.5 KB
N/A -
COA12B East Coast of Japan N/A   Windows
       1.0 MB
N/A -
COA12C South Coast of Japan N/A   Windows
       2.3 MB
N/A -
COA12D North Coast of New Guinea N/A   Windows
       390 Bytes
N/A -
COA12E Palau Islands N/A   Windows
       593.1 KB
N/A -
COA12F Guam and Saipan, Mariana Islands (United States)   Edition 30
       487.1 KB
  Windows
       69.0 KB
N/A -
COA12G Caroline Islands N/A   Windows
       770 Bytes
N/A -
COA12H Pakin Atoll N/A   Windows
       415 Bytes
N/A -
COA12I Enewetak Atoll, Marshall Islands N/A   Windows
       450 Bytes
N/A -
COA12J Bikini Atoll, Marshall Islands N/A   Windows
       475 Bytes
N/A -
COA12K Rongelap Atoll, Marshall Islands N/A   Windows
       340 Bytes
N/A -
COA12L Wotho Atoll, Marshall Islands N/A   Windows
       355 Bytes
N/A -
COA12M Ujae Atoll, Marshall Islands N/A   Windows
       350 Bytes
N/A -
COA12N Kwajalein Atoll, Marshall Islands N/A   Windows
       475 Bytes
N/A -
COA12O Lib, Marshall Islands N/A   Windows
       340 Bytes
N/A -
COA12P Namu Atoll, Marshall Islands N/A   Windows
       375 Bytes
N/A -
COA12Q Ailinglapalap Atoll, Marshall Islands N/A   Windows
       370 Bytes
N/A -
COA12R Namorik Atoll, Marshall Islands N/A   Windows
       400 Bytes
N/A -
COA12S Jaluit Atoll, Marshall Islands N/A   Windows
       490 Bytes
N/A -
COA12T Maloelap and Aur Atolls, Marshall Islands N/A   Windows
       465 Bytes
N/A -
COA12U Arno Atoll, Marshall Islands N/A   Windows
       415 Bytes
N/A -
COA12V Minami-Io Jima, Japan N/A   Windows
       500 Bytes
N/A -