Save the four bucks.
Your tax dollars are hard at work at http://www.uscg.mil/vtm/pages/links.htm

Lonny Bruce wrote:

Download a copy of the Rules of the Road, inland and international waters
(COLREGS).
You then will have a copy on your computer, and you can print it so you also
have a hard copy for reference.

http://sail247.com/colregs.htm

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