Join Date: Jun 2005
Location: New Orleans
Thanked 44 Times in 41 Posts
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Electronics have changed, GPS has supplanted Loran almost entirely, and E-charts and AIS have somewhat overtaken old-school plotting and lead pencils.
Rules haven't changed much, unless you're on the Western Rivers (crossing vsl yields to all vessels, for example).
Others can suggest new texts. If you know the rules from 20 years ago in Chapman's, you're still way ahead of 90% of the people you'll meet and (hopefully) pass.