DNC® Home     Maritime     Contact DNC®     FAQ                        
Coastal Libraries return to region


The VDU patches below will update certified libraries on Edition 25 to 35/22.

* 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.

Kara Sea       Scandinavia, Baltic       Svalbard (Norway)      


*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
Download VDU Patch 
Cancelled or
New Libraries
     N/A NtM
COA22A Western Svalbard, Norway N/A   Windows
       730 Bytes
N/A -
COA22B Ostrov Belyy to Ostrov Dikson, Russia N/A   Windows
       945 Bytes
N/A -
COA22C Proliv Karskiye Vorota and Proliv Yugorskiy Shar, Russia N/A   Windows
       122.2 KB
N/A -
COA22D Mys Teriberskiy to Mys Konushin, Russia N/A   Windows
       549.3 KB
N/A -
COA22E White Sea, Russia N/A   Windows
       1,015 Bytes
N/A -
COA22F Ostrov Kil'Din, Russia to Masoya, Norway N/A   Windows
       116.2 KB
N/A -
COA22G Hjelmsoya to Ertnoya, Norway N/A   Windows
       261.4 KB
N/A -
COA22H Vega to Andoy, Norway N/A   Windows
       775 Bytes
N/A -
COA22I Southern Baltic, Sweden - Denmark - Poland N/A   Windows
       113.0 KB
N/A -
COA22J Gdynia, Poland to Klaipeda, Lithuania N/A   Windows
       165.4 KB
N/A -
COA22K Stockholm-Sundsvall, Sweden and Aland, Finland N/A   Windows
       387.4 KB
N/A -
COA22L Northern Gulf of Bothnia N/A   Windows
       286.5 KB
N/A -
COA22M Gulf of Finland, Estonia - Finland - Russia N/A   Windows
       379.1 KB
N/A -
COA22N Ventspils, Latvia to Klaipeda, Lithuania and Vastervik to Landsort, Sweden N/A   Windows
       122.7 KB
N/A -
COA22P Central Baltic, Sweden N/A   Windows
       171.1 KB
N/A -
COA22Q East Kattegat, Sweden - Denmark N/A   Windows
       62.5 KB
N/A -
COA22R Gulf of Riga, Latvia - Estonia N/A   Windows
       177.3 KB
N/A -
COA22S Northern Spitsbergen, Norway N/A   Windows
       230.9 KB
N/A -
COA22T Northern White Sea, Russia N/A   Windows
       1.3 KB
N/A -
COA22U Southern Gulf of Bothnia N/A   Windows
       382.9 KB
N/A -
COA22V Eastern Gulf of Finland N/A   Windows
       444.3 KB
N/A -