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Vessel Safety Check

What is a Cooperative Charting?

Cooperative Charting Program of the United States Power Squadrons is conducted in close coordination with the Marine Chart Division, National Ocean Service, National Oceanic and Atmospheric Administration of the U.S. Department of Commerce. The Program is a major public service of USPS. Under it, members supply information to the Marine Chart Division of NOS/NOAA leading to corrections to nautical charts, small craft charts, Coast Pilot publications and Small Craft Facilities. They also supply data on depth surveys, range status, tidal current surveys and formerly, geodetic marks and aeronautical charts. The Aid To Navigation Inspection program allows for damaged or misplaced Aids to be reported. The Adopt-A-Chart subprogram provides for individual squadrons to assume responsibility to keep a chart or a portion of a chart in their local boating area up to date and get recognition on new editions for their work. We have been told that the Cooperative Charting Program is recognized as the most effective user-participation program in all of the Federal services.

How do I get involved?

You can get involved in Cooperative Charting with a minimum of effort. After that you can decide how much further you want to get involved at any point. However, I warn you to be careful; it can be an insidiously habit-forming activity!

Contact your Squadron Cooperative Charting Chairman. If you don't know who he or she is ask another of your squadron members or call 808-291-4338.

Also, download and view/print the newly revised (April 2013) Cooperative Charting Manual.

Visit the United States Power Squadron's national Cooperative Charting website at

                                                           Cooperative Charting

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