On Sat, 19 Apr 2008 16:56:47 GMT, "Jay Honeck"
wrote in
jvpOj.127315$yE1.117147@attbi_s21:

How does the gummint compile "number of hours flown"?

It's supposed to be he http://www.ntsb.gov/aviation/Stats.htm

You might find something he http://www.ntsb.gov/info/info.htm

Or you can inquire directly: http://www.ntsb.gov/info/sources.htm