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


The VDU patches below will update certified libraries on Edition 21 to 24/24.

* 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.

CoastalĀ 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
COA02A Mozambique; South Africa N/A   Windows
       113.9 KB
N/A -
COA02B Tanzania; Mozambique; Comoros; West Coast Madagascar N/A   Windows
       312.9 KB
N/A -
COA02C Somalia; Kenya; Tanzania N/A   Windows
       396.2 KB
N/A -
COA02D East Coast Madagascar N/A   Windows
       1.5 KB
N/A -
COA02E Seychelles N/A   Windows
       162.4 KB
N/A -
COA02F Agalega Islands N/A   Windows
       343 Bytes
N/A -
COA02G Albatross; Mauritius; Reunion Islands N/A   Windows
       205.1 KB
N/A -
COA02H Comoros and West Madagascar N/A   Windows
       314.4 KB
N/A -
COA02I Great Fish Point; Mbashe Point; Tugela N/A   Windows
       94.8 KB
N/A -
COA02J Port Shepston to Baia De Imhambane N/A   Windows
       227.8 KB
N/A -