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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.

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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
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 -