"S Herman" wrote in message
...

This is for IR pilots only, right?


Nope.



A non-IR pilot cannot file an IFR flight plan, can they?


Any pilot can file one, but only an IFR pilot can accept an IFR clearance.
Even though you're filing an IFR flight plan through DUATS with this
procedure the controller isn't going to issue an IFR clearance. An IFR
flight plan is filed only to direct it to ATC, putting "VFR" as the
requested altitude tells the controller you're just seeking traffic
advisories.