Mxsmanic wrote:
[ Regarding aircraft "normal" category asked: ]
The FAA publishes a lot of documentation. Which document did you have
in mind?

Part 23 of the U.S. Federal Aviation Regulations contains the
definition. It's online; here's the specific paragraphs:

http://ecfr.gpoaccess.gov/cgi/t/text...1.59.3&idno=14