For the life of me in this day & age where modern techno stuff is rampant we can't have a Sat/GPS App that takes us down to the same Min as an ILS.
It is, Wally. Give me a timeline and cost for your fleet to be RNP-AR equipped and approved and you'll probably find the $10m isn't looking too bad spread amoungst the 5 million-odd inbound pax movements per year.