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


The VDU patches below will update certified libraries on Edition 23 to 10/24.

* 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.

Northern       Southern      


*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    N/A NtM
COA28A Strait of Belle Isle, Hamilton Inlet, Canada N/A   Windows
       400.3 KB
N/A -
COA28B Northern Coast of Labrador, Canada N/A   Windows
       616.2 KB
N/A -
COA28C Hudson Strait, Hudson Bay, Canada N/A   Windows
       2.4 KB
N/A -
COA28D Arsuk to Graedefjord, Greenland N/A   Windows
       193.8 KB
N/A -
COA28E Umanak Fjord to Innaanganeq, Greenland N/A   Windows
       408.7 KB
N/A -
COA28F Lincoln Sea to Baffin Bay, Canada to Greenland N/A   Windows
       3.1 KB
N/A -
COA28G Borden Island - Ellesmere Island, Canada N/A   Windows
       4.6 KB
N/A -
COA28H Clyde Inlet, Cape Jameson, Baffin Island / Prince of Wales Island to Bylot Island, Canada N/A   Windows
       5.3 MB
N/A -
COA28I Viscount Melville Sound, Canada N/A   Windows
       2.2 MB
N/A -
COA28J Amundsen Gulf, Coronation Gulf, Canada N/A   Windows
       1.5 KB
N/A -
COA28K Cambridge, Shephard and Boothia Bays, Canada N/A   Windows
       837.2 KB
N/A -
COA28L Foxe Basin, Canada N/A   Windows
       1.8 MB
N/A -
COA28M Cumberland Sound, Baffin Island, Canada N/A   Windows
       1.6 KB
N/A -
COA28N Upper Hudson Bay, Canada N/A   Windows
       875.0 KB
N/A -
COA28O Lower Hudson Bay, Canada N/A   Windows
       1.8 KB
N/A -
COA28P Graedefjord to Hamborgerland, Greenland N/A   Windows
       937.3 KB
N/A -
COA28Q Hamborgerland to Rifkol, Greenland N/A   Windows
       709.8 KB
N/A -