FlightPathOBN
Oh yes everything is contingent on OpsSpecs approval but that doesn't mean that the FMC depending on the set-up can't fly the procedure without an approved RNAV most can and will many many procedure are still stand alone ...under Part 91 it's not permitted to make that substitution
Though I can not imagine the POI would grant the approval without the the codesignation VOR or RNAV (RNP) I would imagine that the opens up a can of worms that no one wants to deal with...