love this type of game and you made a high class one! The homage to toss the turtle was inspired. In fact this game was ALMOST perfect..
Found a bug/cheat:
Throw the plane backwards - as long as you have the emergency booster you can boost out of the stall and fly forever at one altitude! Just don't click the game again!
I stopped once i was over 9000
Sod it... i'll still give you a 10