Lol, Keni.
Have you ever used a Me-163? I've been able to hit 44k but never above 50k (because I magically stall out and go down in a violent spin that usually results in my jet breaking apart).
Here's a shot of a custom Fokker D.VII from Full Canvas Jacket:
And finally, here's a cut-out shot of the Fokker DR.I that I flew in Full Canvas Jacket's multiplayer mode:
