Originally Posted by Globalnav
I don't know about other countries, but the FAA allows an NPA such as BHM LOC 18 the be flown by non-GPS augmented airplanes 365 days of the year, weather and wind permitting.
Hang on. Why on earth would you fly a LOC approach in anything other than LOC? Plain old LNAV isn't going to be as accurate. If you've got a VNAV to follow well and good, but if not, follow the charted profile. Oh wait, there isn't one...