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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 38 to 19/23.

* 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

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*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	NtM date
A2616940	Willapa Bay, Columbia River, Oregon, Washinton, United States	Edition 38        6.1 MB	Windows        3.5 MB	N/A	-
A2617060	Gray's Harbor, Washington, United States	Edition 38        1.0 MB	Windows        894 Bytes	N/A	-
A2617100	Cape Flattery, Washington, United States	Edition 38        1.4 MB	Windows        687.7 KB	N/A	-
A2617160	Dungeness to Oak Bay, Washington, United States	Edition 38        2.4 MB	Windows        388.7 KB	N/A	-
A2617700	Puget Sound, Washington, United States	Edition 38        1.5 MB	Windows        350.4 KB	N/A	-
A2618060	Bellingham to Everett, Washington, United States	Edition 38        3.3 MB	Windows        1.2 MB	N/A	-
A2618150	Strait of Georgia, Vancouver, British Columbia, Canada	N/A	Windows        925.4 KB	N/A	-
A2618422	Johnstone Strait (North), British Columbia, Canada	N/A	Windows        2.1 KB	N/A	-
A2618423	Johnstone Strait (South), British Columbia, Canada	N/A	Windows        1.7 MB	N/A	-
A2618520	Approach to Nanaimo, Vancouver Island, British Columbia, Canada	N/A	Windows        860.6 KB	N/A	-
A2618660	Approach to Tsehum Harbor, British Columbia, Canada	N/A	Windows        596.3 KB	N/A	-
A2618670	Southeastern Vancouver Island, British Columbia, Canada	N/A	Windows        983 Bytes	N/A	-
A2618730	Ucluelet, Vancouver Island, British Columbia, Canada	N/A	Windows        1.2 MB	N/A	-
A2618780	Clayoquot and Tofino, Vancouver Island, British Columbia, Canada	N/A	Windows        1.2 KB	N/A	-
A2618805	Nootka Sound, Vancouver Island, British Columbia, Canada	N/A	Windows        768 Bytes	N/A	-
A2618815	Cape Cook, Vancouver Island, British Columbia, Canada	N/A	Windows        1.0 KB	N/A	-
A2618838	Queen Charlotte Strait, Western Portion, British Columbia, Canada	N/A	Windows        544.6 KB	N/A	-
A2618875	Queen Charlotte Strait, Central-Eastern, British Columbia, Canada	N/A	Windows        1.2 MB	N/A	-
A2618880	Fitz Hugh Sound and Smith Sound, British Columbia, Canada	N/A	Windows        3.1 MB	N/A	-
A2618890	King Island Channels, British Columbia, Canada	N/A	Windows        1,023.4 KB	N/A	-
A2618915	Queens Sound, British Columbia, Canada	N/A	Windows        2.1 MB	N/A	-
A2618920	Princess Royal Channel, British Columbia, Canada	N/A	Windows        1.3 KB	N/A	-
A2618921	Grenville Channel, British Columbia, Canada	N/A	Windows        1.3 MB	N/A	-
A2618950	Prince Rupert, British Columbia, Canada	N/A	Windows        1.7 KB	N/A	-
A2619040	Skidegate Harbor, British Columbia, Canada	N/A	Windows        403.2 KB	N/A	-
A2619130	Ketchikan, Alaska, United States	Edition 38        2.9 MB	Windows        936.0 KB	N/A	-
A2619290	Sumner Strait, Southern Part, Alaska, United States	Edition 38        2.3 MB	Windows        922 Bytes	N/A	-
A2619300	Wrangell, Alaska, United States	Edition 38        5.3 MB	Windows        1.5 MB	N/A	-
A2619580	Juneau, Alaska, United States	Edition 38        691.5 KB	Windows        614 Bytes	N/A	-
COA26A	Oregon and Washington State, United States	Edition 38        2.1 MB	Windows        537.5 KB	N/A	-
COA26B	Southern British Columbia, Canada	N/A	Windows        1.6 MB	N/A	-
COA26C	Northern British Columbia, Canada	N/A	Windows        1.7 MB	N/A	-
COA26D	Alaska, United States	N/A	Windows        2.6 MB	N/A	-
GEN26A	Oregon and Washington State, United States	Edition 38        722.5 KB	Windows        149.7 KB	N/A	-
GEN26B	British Columbia, Canada	N/A	Windows        106.5 KB	N/A	-
GEN26C	Alaska, United States	Edition 38        1.3 MB	Windows        986 Bytes	N/A	-
H2616837	Nehalem River, Oregon, United States	Edition 38        306.7 KB	Windows        581 Bytes	N/A	-
H2616940	Portland, Oregon, United States	Edition 38        1.7 MB	Windows        1,010.1 KB	N/A	-
H2617090	Quillayute River Entrance, Washington, United States	Edition 38        154.4 KB	Windows        403 Bytes	N/A	-
H2617100	Neah Bay, Washington, United States	Edition 38        1.0 MB	Windows        298.5 KB	N/A	-
H2617120	Port Angeles, Washington, United States	Edition 38        332.9 KB	Windows        90.5 KB	N/A	-
H2617160	Dungeness to Port Townsend, Washington, United States	Edition 38        985.7 KB	Windows        443.9 KB	N/A	-
H2617230	Bangor, Port Townsend, Washington, United States	Edition 38        2.9 MB	Windows        2.2 MB	N/A	-
H2617660	Olympia, Washington, United States	Edition 38        909.9 KB	Windows        190.0 KB	N/A	-
H2617700	Tacoma, Washington, United States	Edition 38        880.9 KB	Windows        321.6 KB	N/A	-
H2617730	Seattle to Bremerton, Washington, United States	Edition 38        1.8 MB	Windows        711.6 KB	N/A	-
H2617750	Lake Washington Ship Canal, Washington, United States	Edition 38        2.3 MB	Windows        888.5 KB	N/A	-
H2617790	Everett Harbor, Washington, United States	Edition 38        1.2 MB	Windows        531.6 KB	N/A	-
H2617800	Oak / Crescent Harbor, Washington, United States	Edition 38        359.5 KB	Windows        600 Bytes	N/A	-
H2617940	San Juan Island, Washington, United States	Edition 38        4.2 MB	Windows        1.6 MB	N/A	-
H2618040	Rosario Strait, Washington, United States	Edition 38        4.0 MB	Windows        1.1 MB	N/A	-
H2618050	Bellingham, Washington, United States	Edition 38        829.2 KB	Windows        861 Bytes	N/A	-
H2618060	Drayton Harbor, Washington, United States	Edition 38        241.4 KB	Windows        880 Bytes	N/A	-
H2618100	Fraser River, British Columbia, Canada	N/A	Windows        766.3 KB	N/A	-
H2618150	Vancouver, British Columbia, Canada	N/A	Windows        1.2 MB	N/A	-
H2618210	Gambier Island, British Columbia, Canada	N/A	Windows        459.6 KB	N/A	-
H2618275	Welcome Passage, British Columbia, Canada	N/A	Windows        983 Bytes	N/A	-
H2618280	Pender Harbor, British Columbia, Canada	N/A	Windows        614 Bytes	N/A	-
H2618300	Sturt Bay and Vananda Cove, British Columbia, Canada	N/A	Windows        422 Bytes	N/A	-
H2618340	Powell River and Westview, British Columbia, Canada	N/A	Windows        422 Bytes	N/A	-
H2618355	Desolation Sound to Toba Inlet, British Columbia, Canada	N/A	Windows        806.5 KB	N/A	-
H2618460	Comox, Vancouver Island, British Columbia, Canada	N/A	Windows        143.9 KB	N/A	-
H2618480	False Bay, British Columbia, Canada	N/A	Windows        548 Bytes	N/A	-
H2618518	Nanoose Harbor, Vancouver Island, British Columbia, Canada	N/A	Windows        366.9 KB	N/A	-
H2618520	Nanaimo, Vancouver Island, British Columbia, Canada	N/A	Windows        740.7 KB	N/A	-
H2618530	Ladysmith Harbour, Vancouver Island, British Columbia, Canada	N/A	Windows        754 Bytes	N/A	-
H2618540	Telegraph and Preedy Harbour, British Columbia, Canada	N/A	Windows        62.2 KB	N/A	-
H2618560	Chemainus Bay, Vancouver Island, British Columbia, Canada	N/A	Windows        441 Bytes	N/A	-
H2618570	Osborn Bay, Vancouver Island, British Columbia, Canada	N/A	Windows        441 Bytes	N/A	-
H2618575	Montague Harbour, British Columbia, Canada	N/A	Windows        441 Bytes	N/A	-
H2618580	Genoa Bay, British Columbia, Canada	N/A	Windows        214.4 KB	N/A	-
H2618600	Ganges Harbour and Long Harbour, British Columbia, Canada	N/A	Windows        647 Bytes	N/A	-
H2618650	Bedwell Harbour, British Columbia, Canada	N/A	Windows        983 Bytes	N/A	-
H2618660	Tsehum Harbor, British Columbia, Canada	N/A	Windows        574.3 KB	N/A	-
H2618669	Oak Bay, Vancouver Island, British Columbia, Canada	N/A	Windows        647 Bytes	N/A	-
H2618670	Victoria Harbour, Vancouver Island, British Columbia, Canada	N/A	Windows        181.3 KB	N/A	-
H2618680	Esquimalt Harbour, Vancouver Island, British Columbia, Canada	N/A	Windows        160.3 KB	N/A	-
H2618690	Sooke, Vancouver Island, British Columbia, Canada	N/A	Windows        406.3 KB	N/A	-
H2618730	Port Alberni, Vancouver Island, British Columbia, Canada	N/A	Windows        1.2 MB	N/A	-
H2618815	Kyuquot, Vancouver Island, British Columbia, Canada	N/A	Windows        460 Bytes	N/A	-
H2618816	Fair Harbour, Vancouver Island, British Columbia, Canada	N/A	Windows        365 Bytes	N/A	-
H2618838	Bull Harbour, British Columbia, Canada	N/A	Windows        422 Bytes	N/A	-
H2618840	Port Hardy, Vancouver Island, British Columbia, Canada	N/A	Windows        441 Bytes	N/A	-
H2618860	Alert Bay, Vancouver Island, British Columbia, Canada	N/A	Windows        441 Bytes	N/A	-
H2618872	Port McNeill, British Columbia, Canada	N/A	Windows        441 Bytes	N/A	-
H2618874	Blunden Harbour, British Columbia, Canada	N/A	Windows        482 Bytes	N/A	-
H2618885	Namu Harbour, British Columbia, Canada	N/A	Windows        441 Bytes	N/A	-
H2618890	Bella Coola, British Columbia, Canada	N/A	Windows        422 Bytes	N/A	-
H2618900	Ocean Falls, British Columbia, Canada	N/A	Windows        460 Bytes	N/A	-
H2618902	Gunboat Passage, British Columbia, Canada	N/A	Windows        422 Bytes	N/A	-
H2618904	Troup Narrows, British Columbia, Canada	N/A	Windows        468 Bytes	N/A	-
H2618905	Shearwater, British Columbia, Canada	N/A	Windows        56.2 KB	N/A	-
H2618915	Bella Bella, British Columbia, Canada	N/A	Windows        74.0 KB	N/A	-
H2618920	Butedale Harbour, British Columbia, Canada	N/A	Windows        26.1 KB	N/A	-
H2618921	Union Passage, British Columbia, Canada	N/A	Windows        422 Bytes	N/A	-
H2618922	Baker Inlet, British Columbia, Canada	N/A	Windows        441 Bytes	N/A	-
H2618925	Kitimat Harbour, British Columbia, Canada	N/A	Windows        193.9 KB	N/A	-
H2618950	Prince Rupert Harbour, British Columbia, Canada	N/A	Windows        693.0 KB	N/A	-
H2619050	Queen Charlotte, British Columbia, Canada	N/A	Windows        39.4 KB	N/A	-
H2619055	Alliford Bay, British Columbia, Canada	N/A	Windows        548 Bytes	N/A	-
H2619130	Ketchikan Harbor, Alaska, United States	Edition 38        1.1 MB	Windows        9.2 MB	N/A	-
H2619210	Wrangell Harbor, Alaska, United States	Edition 38        766.6 KB	Windows        1.2 KB	N/A	-
H2619222	Lyman Anchorage, Alaska, United States	Edition 38        1.3 MB	Windows        1.2 KB	N/A	-
H2619300	Petersburg, Alaska, United States	Edition 38        2.7 MB	Windows        449.8 KB	N/A	-
H2619310	Northern Keku Strait, Alaska, United States	Edition 38        2.2 MB	Windows        565.2 KB	N/A	-
H2619530	Funter Bay, Alaska, United States	Edition 38        183.7 KB	Windows        581 Bytes	N/A	-
H2619580	Juneau Harbor, Alaska, United States	Edition 38        1.5 MB	Windows        288.5 KB	N/A	-