"normal" procedure for pop-up filing

"paul kgyy" wrote in message
oups.com...
I was taught that, if I needed to file an IFR flight plan in the middle
of a trip, I should contact FSS first to file and get clearance, then
contact ATC.

Usually when I need to do this it's a flight where IFR conditions arise
unexpectedly. I then don't have time to file with FSS, wait for the plan to
be in the system and then call center. If I need to call FSS then I usually
land, regroup, file the usual way and restart the trip.

On the other hand, I hear frequent references in
rec.aviation to pilots who just contact ATC directly. Does this depend
on how busy ATC is - i.e. near Chicago contact FSS, near Moline contact
Moline approach?

Yup, that has been my experience. I think is is not possible to predict when
center will have the time to accept your plan and when they will tell you to
file with FSS.

Howard