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The VDU patches below will update certified libraries on Edition 53 to 20/22.

* 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.

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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
A1707300 Cape Cod Bay, Massachusetts   Edition 53
       846.0 KB
  Windows
       125.4 KB
N/A -
A1707330 Nantucket Sound and Approaches, Massachusetts   Edition 53
       1.7 MB
  Windows
       177.4 KB
N/A -
A1707420 Providence and Vicinity, Rhode Island   Edition 53
       3.5 MB
  Windows
       508.8 KB
N/A -
A1707500 Block Island Sound, Rhode Island   Edition 53
       6.7 MB
  Windows
       674.8 KB
N/A -
A1707550 Long Island Sound Eastern Part, Connecticut and New York   Edition 53
       1.3 MB
  Windows
       177.2 KB
N/A -
A1707640 Approaches to New York Harbor, New York   Edition 53
       10.7 MB
  Windows
       1.5 MB
N/A -
A1708020 Approaches to Atlantic City, New Jersey   Edition 53
       2.4 MB
  Windows
       238.5 KB
N/A -
A1708130 Delaware Bay to Philadelphia, Delaware-Pennsylvania-New Jersey   Edition 53
       7.4 MB
  Windows
       916.1 KB
N/A -
A1708170 Fenwick Island to Chincoteague Inlet, Delaware-Maryland-Virginia   Edition 53
       1.6 MB
  Windows
       156.0 KB
N/A -
A1708175 Chincoteague Inlet to Great Machipongo Inlet, Virginia   Edition 53
       1.4 MB
  Windows
       168.3 KB
N/A -
A1708200 Head of Chesapeake Bay, Maryland   Edition 53
       1.8 MB
  Windows
       243.7 KB
N/A -
A1708225 Eastern Bay-South River-Chester River, Maryland   Edition 53
       4.5 MB
  Windows
       618.2 KB
N/A -
A1708226 Choptank River (Cambridge to Greensboro), Maryland   Edition 53
       3.0 MB
  Windows
       277.5 KB
N/A -
A1708227 Patuxent River and Vicinity, Maryland   Edition 53
       1.7 MB
  Windows
       218.5 KB
N/A -
A1708230 Potomac River, Maryland and Virginia   Edition 53
       5.0 MB
  Windows
       435.0 KB
N/A -
A1708242 Tangier Sound to Nanticoke River, Maryland   Edition 53
       4.5 MB
  Windows
       230.3 KB
N/A -
A1708243 Wolf Trap to Tangier Sound, Maryland and Virginia   Edition 53
       3.7 MB
  Windows
       378.3 KB
N/A -
A1708250 Rappahannock River Entrance, Virginia   Edition 53
       1.9 MB
  Windows
       184.9 KB
N/A -
A1708260 York River, Virginia   Edition 53
       4.5 MB
  Windows
       455.8 KB
N/A -
A1708280 Approaches to Norfolk (North), Virginia   Edition 53
       4.4 MB
  Windows
       605.2 KB
N/A -
A1708281 Approaches to Norfolk (South), Virginia   Edition 53
       1.5 MB
  Windows
       192.4 KB
N/A -
A1708320 James River (Newport News to Jordan Point), Virginia   Edition 53
       3.6 MB
  Windows
       337.7 KB
N/A -
A1708375 Currituck Beach Light to Wimble Shoals, North Carolina   Edition 53
       1.9 MB
  Windows
       258.5 KB
N/A -
A1708390 Cape Hatteras/Pamlico Sound, North Carolina   Edition 53
       3.4 MB
  Windows
       364.3 KB
N/A -
A1708430 Cape Lookout to Beaufort, North Carolina   Edition 53
       2.3 MB
  Windows
       261.7 KB
N/A -
A1708470 New River Inlet to Cape Fear, North Carolina   Edition 53
       2.3 MB
  Windows
       284.0 KB
N/A -
A1708490 Little River Inlet/Winyah Bay, South Carolina   Edition 53
       1.6 MB
  Windows
       1.2 KB
N/A -
COA17A United States East Coast, Charleston to Cape May   Edition 53
       1.8 MB
  Windows
       214.1 KB
N/A -
COA17B Bermuda Operating Areas N/A   Windows
       302 Bytes
N/A -
COA17C United States East Coast, Hereford Inlet to Cape Cod   Edition 53
       2.6 MB
  Windows
       226.5 KB
N/A -
COA17D Chesapeake Bay   Edition 53
       2.3 MB
  Windows
       180.3 KB
N/A -
GEN17A United States East Coast, Cape Romain to Cape Cod   Edition 53
       1.6 MB
  Windows
       232.5 KB
N/A -
GEN17B Western North Atlantic N/A   Windows
       1.0 KB
N/A -
H1707290 Wellfleet-Barnstable-Provincetown, Massachusetts   Edition 53
       1.1 MB
  Windows
       189.0 KB
N/A -
H1707300 Chatham Harbor and Pleasant Bay, Massachusetts   Edition 53
       780.3 KB
  Windows
       591 Bytes
N/A -
H1707330 Nantucket Sound, Massachusetts   Edition 53
       1.8 MB
  Windows
       223.1 KB
N/A -
H1707350 Martha's Vineyard, Massachusetts   Edition 53
       1.3 MB
  Windows
       227.6 KB
N/A -
H1707360 Buzzards Bay to Cape Cod Canal, Massachusetts   Edition 53
       4.6 MB
  Windows
       547.7 KB
N/A -
H1707420 Providence and Narragansett Bay, Rhode Island   Edition 53
       5.3 MB
  Windows
       581.0 KB
N/A -
H1707500 New London Harbor, Connecticut   Edition 53
       3.4 MB
  Windows
       494.6 KB
N/A -
H1707520 Essex, Connecticut   Edition 53
       2.3 MB
  Windows
       1.9 MB
N/A -
H1707550 New Haven and Vicinity, Connecticut   Edition 53
       2.1 MB
  Windows
       1.2 KB
N/A -
H1707560 Port Jefferson, New York   Edition 53
       586.3 KB
  Windows
       591 Bytes
N/A -
H1707570 Bridgeport, Connecticut   Edition 53
       5.2 MB
  Windows
       766.5 KB
N/A -
H1707640 New York City, New York   Edition 53
       2.1 MB
  Windows
       558.4 KB
N/A -
H1707680 Kingston, New York   Edition 53
       1.9 MB
  Windows
       381.5 KB
N/A -
H1707750 Edgewater, New York   Edition 53
       1.2 MB
  Windows
       207.8 KB
N/A -
H1707810 Jersey City, New Jersey   Edition 53
       1.4 MB
  Windows
       322.9 KB
N/A -
H1707960 Perth Amboy, New Jersey   Edition 53
       3.3 MB
  Windows
       2.7 MB
N/A -
H1707965 Navesink and Shrewsbury River, New Jersey   Edition 53
       719.8 KB
  Windows
       572 Bytes
N/A -
H1708020 Atlantic City (Absecon Inlet), New Jersey   Edition 53
       259.8 KB
  Windows
       432 Bytes
N/A -
H1708130 Philadelphia and Camden Waterfronts, Pennsylvania and New Jersey   Edition 53
       1.0 MB
  Windows
       232.2 KB
N/A -
H1708131 Cape Henlopen to Indian River Inlet, Delaware   Edition 53
       1.3 MB
  Windows
       134.1 KB
N/A -
H1708160 Delaware River (Philadelphia-Trenton), Pennsylvania and New Jersey   Edition 53
       1,001.4 KB
  Windows
       217.9 KB
N/A -
H1708165 Chesapeake and Delaware Canal, Delaware and Maryland   Edition 53
       1.7 MB
  Windows
       286.9 KB
N/A -
H1708170 Ocean City Inlet, Maryland   Edition 53
       300.3 KB
  Windows
       45.8 KB
N/A -
H1708175 Chincoteague Inlet, Virginia   Edition 53
       347.9 KB
  Windows
       51.7 KB
N/A -
H1708210 Baltimore Harbor, Maryland   Edition 53
       1.5 MB
  Windows
       282.9 KB
N/A -
H1708215 Rock Hall Harbor and Swan Creek, Maryland   Edition 53
       265.8 KB
  Windows
       539 Bytes
N/A -
H1708222 Selby Bay, Maryland   Edition 53
       179.3 KB
  Windows
       539 Bytes
N/A -
H1708225 Annapolis, Maryland   Edition 53
       1.7 MB
  Windows
       299.1 KB
N/A -
H1708226 Cambridge, Maryland   Edition 53
       142.0 KB
  Windows
       413 Bytes
N/A -
H1708227 Patuxent River and Solomon's Island, Maryland   Edition 53
       760.9 KB
  Windows
       120.8 KB
N/A -
H1708230 Washington Harbor; Washington, District of Columbia   Edition 53
       328.0 KB
  Windows
       572 Bytes
N/A -
H1708235 Dahlgren and Vicinity, Virginia   Edition 53
       461.1 KB
  Windows
       96.7 KB
N/A -
H1708250 York River, Virginia   Edition 53
       1.1 MB
  Windows
       168.9 KB
N/A -
H1708280 Norfolk and Little Creek Harbors, Virginia   Edition 53
       4.8 MB
  Windows
       1.0 MB
N/A -
H1708310 Back River, Virginia   Edition 53
       255.4 KB
  Windows
       79.5 KB
N/A -
H1708311 College Creek, Virginia   Edition 53
       308.4 KB
  Windows
       572 Bytes
N/A -
H1708320 James River (Jordan Point to Richmond), Virginia   Edition 53
       1.4 MB
  Windows
       852 Bytes
N/A -
H1708390 Pamlico River, North Carolina   Edition 53
       1.2 MB
  Windows
       799.6 KB
N/A -
H1708430 Morehead City, North Carolina   Edition 53
       4.5 MB
  Windows
       651.7 KB
N/A -
H1708450 Jacksonville, North Carolina   Edition 53
       1.8 MB
  Windows
       293.4 KB
N/A -
H1708470 Cape Fear/Wilmington, North Carolina   Edition 53
       1.8 MB
  Windows
       396.0 KB
N/A -
H1708490 Winyah Bay (Georgetown), South Carolina   Edition 53
       1.5 MB
  Windows
       913 Bytes
N/A -