On Thu, 9 Oct 2008 11:14:58 -0700 (PDT), "
wrote:

In a desperate attempt to add some content I want to point out that if
you are going to do sailings calculations by calculator and are
looking to Dutton's (at least up the edition 14) for guidance beware
that the sailing chapter is full of errors large and small. This is a
better source:
http://williams.best.vwh.net/avform.htm

Good site, thanks.

I have a Dutton's somewhere but haven't cracked it in years. I think
the Naval Academy used it as a navigation text at one time. :-)