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The VDU patches below will update certified libraries on Edition 16 to 22/22.

* 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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*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
A2420178 Agattu Island, United States   Edition 16
       1.1 MB
  Windows
       845 Bytes
N/A -
A2420180 Attu Island, United States   Edition 16
       593.0 KB
  Windows
       579 Bytes
N/A -
A2460730 Poluostrov Murav’yev-Amurskiy, Russia N/A   Windows
       349.5 KB
N/A -
A2460820 Amurskiy Liman, Russia N/A   Windows
       232.6 KB
N/A -
A2460940 Nevel'sk and Kholmsk, Russia N/A   Windows
       401.6 KB
N/A -
A2460980 Punkt Shakhtersk, Russia N/A   Windows
       92.4 KB
N/A -
A2461040 Aleksandrovsk-Sakhalinskiy, Russia N/A   Windows
       953 Bytes
N/A -
A2461075 Bukhta Okeanskaya, Zaliv Tukharka, Russia N/A   Windows
       298.7 KB
N/A -
A2461090 Notsuke, Suido, Shikotan, Japan N/A   Windows
       1.4 KB
N/A -
A2461130 Approaches to Nemuro Hanto, Japan N/A   Windows
       1.2 KB
N/A -
A2461160 Kushiro Ko to Kiritappu Ko, Japan N/A   Windows
       440.0 KB
N/A -
A2461260 Wakkanai Ko, Japan N/A   Windows
       218.4 KB
N/A -
A2461275 Approaches to Ominato Ko, Japan N/A   Windows
       43.0 KB
N/A -
A2461300 Toni Wan to Yamada Wan, Japan N/A   Windows
       821.4 KB
N/A -
A2461920 Oga Hanto, Japan N/A   Windows
       150.7 KB
N/A -
A2462531 Bukhta Vestnik, Russia N/A   Windows
       513 Bytes
N/A -
A2462537 Bukhta Morzhovaya, Russia N/A   Windows
       645 Bytes
N/A -
A2462550 Bukhta Nagayeva, Russia N/A   Windows
       906 Bytes
N/A -
A2462551 Ostrov Spafar'yeva, Russia N/A   Windows
       1.1 KB
N/A -
A2462580 Ostrov Shumshu and Approaches, Russia N/A   Windows
       645 Bytes
N/A -