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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 -
COA24A Vladivostok, Russia N/A   Windows
       1.0 MB
N/A -
COA24B La Perouse Strait, Japan N/A   Windows
       499.9 KB
N/A -
COA24C Tatar Strait, Russia N/A   Windows
       634.8 KB
N/A -
COA24D Sakhalin-East, Russia N/A   Windows
       1.0 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
       1.2 KB
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
       1.5 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
       1.6 KB
N/A -
COA24N Northern Japan N/A   Windows
       699.6 KB
N/A -
GEN24A Siberia, Russia N/A   Windows
       1.1 MB
N/A -
GEN24B Sea of Okhotsk N/A   Windows
       1.8 MB
N/A -
GEN24C North Pacific Ocean N/A   Windows
       4.4 KB
N/A -
H2420170 Shemya Island, United States   Edition 16
       1.4 MB
  Windows
       1.0 KB
N/A -
H2420180 Attu Island, United States   Edition 16
       2.3 MB
  Windows
       1.4 KB
N/A -
H2460730 Zaliv Nakhodka, Russia N/A   Windows
       279.3 KB
N/A -
H2460930 Port Nevel'sk, Russia N/A   Windows
       439 Bytes
N/A -
H2460940 Port Kholmsk, Russia N/A   Windows
       45.9 KB
N/A -
H2460980 Port Uglegorsk, Russia N/A   Windows
       18.1 KB
N/A -
H2460981 Portovyy Punkt Shakhtersk, Russia N/A   Windows
       439 Bytes
N/A -
H2461040 Aleksandrovskiy Reyd, Russia N/A   Windows
       458 Bytes
N/A -
H2461160 Kushiro Ko, Japan N/A   Windows
       150.2 KB
N/A -
H2461165 Tomakomai Ko, Japan N/A   Windows
       156.3 KB
N/A -
H2461170 Muroran Ko, Japan N/A   Windows
       174.2 KB
N/A -
H2461190 Hakodate Ko, Japan N/A   Windows
       202.4 KB
N/A -
H2461230 Otaru, Japan N/A   Windows
       892 Bytes
N/A -
H2461232 Ishikariwan Ko, Japan N/A   Windows
       52.6 KB
N/A -
H2461260 Inner Harbor, Japan N/A   Windows
       155.7 KB
N/A -
H2461270 Aomori Inner Harbor, Japan N/A   Windows
       598 Bytes
N/A -
H2461275 Ominato Ko, Japan N/A   Windows
       645 Bytes
N/A -
H2461280 Hachinohe Ko, Japan N/A   Windows
       404.3 KB
N/A -
H2461310 Kamaishi Ko, Japan N/A   Windows
       275.6 KB
N/A -
H2461920 Funagawa, Japan N/A   Windows
       110.7 KB
N/A -
H2462533 Bukhta Tikhirka to Bukhta Listvennichnaya, Russia N/A   Windows
       579 Bytes
N/A -
H2462580 Vtoroy Kuril'skiy Proliv, Russia N/A   Windows
       981 Bytes
N/A -