@Captain-Bakon That's correct, and they do, with position information supplied by that certified GPS.
@milestobudapest That's how I fly it. I gathered the same is true for the real owners. As I said elsewhere, I have been fascinated by what I might term "Screens + FMS = SimBrief" effect with Starship. I suppose anyone can fly how they like, but even at the size/speed of Starship, most real world operators are more concerned with getting in and out of their destination expeditiously and enjoying the flight, rather than using briefing software to assign every leg of the route.