"Bob Gardner" wrote in message
news:vagjc.26334$cF6.1147161@attbi_s04...

I'm sure that Newps will straighten me out, but I don't think
"putting it in the system" goes any farther than calling the radar
facility
on the landline and telling them that you want flight following. I don't
think anything is "filed" per se.

That's one way, especially when you spring it on me that you want flight
following about 20 miles after departure. If you tell me when you are still
on the ground then it gets typed into the computer so a center transponder
code gets assigned. That way it can be handed off to the center
automatically.