Yeah flat… fly from London to Tokyo in 11 hrs 50 minutes… you would need Mach++ and fly over Russia to go that fast…
Make it all come true in the sim… EggMan283494 has made aliens for us, you can download these for Area 51 maybe ? Change the coords…
https://eggman28.itch.io/flightsim-addon
… this one is funny go to Scotland… fly over the lake