On Thu, 27 Aug 2009 18:56:58 -0700 (PDT), wf3h
wrote:

On Aug 27, 9:50*pm, Jim wrote:
Tom Francis - SWSports wrote:

On Thu, 27 Aug 2009 18:03:38 -0600, "SteveB"
wrote:

rear light clear

And, visible for 180 degrees.

135 degrees....

Er...on boats less than 12 meters (39.37 feet), a stern light is clear
showing 180 degrees.

Pages 48/49 Navigation Rules.