Doug Carter wrote:
The FAA, AOPA, Sporty's etc. have good "point and click" HTML (web
browser) interfaces to US Terminal procedures but don't seem to allow
FTP access.

Look for one of several utilities floating around called either htget
or wget. If you know the url, you just say "htget url file" and
it's like anonymous ftp. Of course, you need to know the URL, but
with FTP you'd need to know the pathname anyway.