Originally Posted by
VinRouge
So, what's the plan when the enroute or destination diversion has no precision or non precision approaches other than those certified GNSS/PBN 0.3? Because it costs a fortune to maintain that ground infrastructure to support and its cheaper/easier to Do GNSS certification once with no follow up maintainable, backup or future calibration required of ground based navaids?
I didn't think you could nominate a destination alternate based solely on an RNAV procedure? You need a conventional approach in order to nominate an airfield as a diversion, although you may still do an RNAV procedure once you get there.
Or I may have that completely wrong. It’s not unknown.