Ok.
Let's see into two LSZH (Zurich) VOR approach charts with two different headers:
- VOR Rwy 28
- (GPS) VOR Rwy 34
As I understand, I can fly in LNAV mode both approaches, but on VOR Rwy 34 it's allowed to use FMS (and LNAV mode) ONLY if FMS is in GPS updating mode.
Is that right?