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


The VDU patches below will update certified libraries on Edition 41 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.

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
Download VDU Patch 
Cancelled or
New Libraries
     N/A NtM
COA15A Northwestern Gulf of Mexico N/A   Windows
       538.6 KB
N/A -
COA15B Northeastern Florida to South Carolina N/A   Windows
       107.3 KB
N/A -
COA15C Southern Gulf of Mexico N/A   Windows
       329.4 KB
N/A -
COA15D Northern Coast of Cuba N/A   Windows
       873 Bytes
N/A -
COA15E Southern Coast of Cuba N/A   Windows
       928 Bytes
N/A -
COA15F Southeastern Louisiana to Florida   Edition 41
       1.7 MB
       169.8 KB
N/A -
COA15G Cape San Bas to Key West N/A   Windows
       354.4 KB
N/A -
COA15H Bahamas and East Coast of Florida N/A   Windows
       127.4 KB
N/A -