Interesting that you found the rewind forced in. Sure the proper way would have been to record all your input and play it backwards with physics reversed, but it's just on me having an arse for a head and programming waaayy to slowly.
Turns out you can't make a fly sim in a week, especial if you have only a vague idea of aerodynamics and you struggle with things like quaternions. One day I will defeat them once and for all... one day...