gf:
I'd like to hear your thoughts on the overuse of RNP AR IAPs, either here, in a separate thread or off-line. I can PM an email address, if you rather.
Example: KGPI Runway 20, great application; Runwy 2, unnecessary.
Example: KRDU, all runways unecessary except for presumed fewer (green) flight path miles. This is like killing flies with a shot gun. But, the FAA and ICAO failed to develop comparable flight path criteria for fuel savings and non-critical obstacle clearance.