I flew from Shannon to Inverness on the citation longitude. Fully IFR planned via the world map and even used auto throttle whilst cruising. It seemed to work ok, though I think I may have activated the approach manually, however it did intercept the localiser and then capture the glide scope. It was bang on center on the ILS. Probably a little short but I always go manual about 100 feet anyway.
I did turn off the auto throttle as I was entering the approach too, which was more tricky, had to press ALT + R to disengage.
But it followed the plan, approach and the ILS.
Not modded, just stock.