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Region	Select ... DNCDX001 - South Atlantic Ocean - to NtM DNCDX002 - East Africa - to NtM DNCDX003 - Indian Ocean - to NtM DNCDX004 - Western Australia - to NtM DNCDX005 - Eastern Australia - to NtM DNCDX006 - South Pacific Ocean - to NtM DNCDX007 - South America - to NtM DNCDX008 - Southern Europe - to NtM DNCDX009 - Central Mediterranean - to NtM DNCDX010 - Middle East - to NtM DNCDX011 - South China Sea - to NtM DNCDX012 - Japan/North Pacific - to NtM DNCDX013 - North America West - to NtM DNCDX014 - Central America/Caribbean Sea - to NtM DNCDX015 - Gulf of Mexico/Straits of Florida - to NtM DNCDX016 - Bahamas/Bermuda - to NtM DNCDX017 - Eastern United States - to NtM DNCDX018 - Northeastern United States/Canada - to NtM DNCDX019 - Greenland/Iceland/United Kingdom - to NtM DNCDX020 - United Kingdom - to NtM DNCDX021 - Norway - to NtM DNCDX022 - Barents Sea - to NtM DNCDX023 - Northern Asia - to NtM DNCDX024 - Sea of Okhotsk - to NtM DNCDX025 - Gulf of Alaska - to NtM DNCDX026 - British Columbia - to NtM DNCDX027 - Arctic Ocean - to NtM DNCDX028 - Canada - to NtM DNCDX029 - Antarctica - to NtM

All Libraries return to region

The VDU patches below will update certified libraries on Edition 20 to 08/23.

* 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.

Images

Approaches Approaches      Coastals      Generals       Harbors Harbors

 

*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		N/A	NtM date
A2720410	Port Clarence, Alaska	N/A	Windows        2.5 KB	N/A	-
A2720460	Point Hope to Kukpowruk Pass, Alaska	N/A	Windows        182.6 KB	N/A	-
A2720470	Point Lay to Peard Bay, Alaska	N/A	Windows        4.7 KB	N/A	-
A2720480	Harrison Bay to Skull Cliff Vicinity, US	N/A	Windows        5.3 KB	N/A	-
A2720483	Brownlow Point to Harrison Bay, Alaska	N/A	Windows        4.4 KB	N/A	-
A2720486	Camden Bay to Demarcation Bay, Alaska	N/A	Windows        3.3 KB	N/A	-
A2720490	McKinley Bay and Eskimo Lakes, Canada	N/A	Windows        1.1 KB	N/A	-
A2720492	Approach to Police Point, Canada	N/A	Windows        721 Bytes	N/A	-
A2720493	Approach to Paulatuk Harbor, Canada	N/A	Windows        548 Bytes	N/A	-
COA27A	Cape Kellett to Discovery Point, Canada	N/A	Windows        1.3 KB	N/A	-
COA27B	Norton Sound to Bering Strait, United States	N/A	Windows        301.4 KB	N/A	-
COA27C	East Siberian Sea, Russia	N/A	Windows        881 Bytes	N/A	-
COA27D	Chukchi Sea, Russia	N/A	Windows        701 Bytes	N/A	-
COA27E	Anadyrskiy Zaliv, Chukchi Sea, Russia	N/A	Windows        1.8 KB	N/A	-
COA27F	Anadyrskiy Zaliv, Russia	N/A	Windows        401 Bytes	N/A	-
COA27G	Demarcation Point to Amundsen Gulf, Canada	N/A	Windows        1,006.2 KB	N/A	-
GEN27A	East Siberian Sea and Anadyrskiy Zaliv, Russia	N/A	Windows        9.0 KB	N/A	-
GEN27B	Bering Strait, Chukchi Sea, Beaufort Sea	N/A	Windows        454.8 KB	N/A	-
GEN27C	Beaufort Sea, Canadian Arctic Ocean	N/A	Windows        2.9 KB	N/A	-
H2720400	Nome Harbor, Alaska	N/A	Windows        1,020 Bytes	N/A	-
H2720486	Bernard Harbor, Alaska	N/A	Windows        422 Bytes	N/A	-
H2720490	Trent Bay, Canada	N/A	Windows        833 Bytes	N/A	-
H2720491	Tuktoyaktuk Harbor, Canada	N/A	Windows        955 Bytes	N/A	-
H2720492	Police Point, Wise Bay and Summers Harbor, Canada	N/A	Windows        674 Bytes	N/A	-
H2720494	Pearce Point Harbor, Canada	N/A	Windows        403 Bytes	N/A	-
H2720495	Tysoe Point, Canada	N/A	Windows        468 Bytes	N/A	-
H2720496	Sachs Harbor and Jesse Harbor, Canada	N/A	Windows        1.0 KB	N/A	-