Pretty much what you'd expect from a terribly programmed flash game.
meh. could use: HUD , background music and the setting(supposedly due to the general little icon that represents settings) should not be the instructions. Maybe a Basic training at the beginning(tutorial mode)
The idea is good. The execution, not so much. There is only one valley the plane can be flown through. The map is small and barley traverse-able due to the dysfunctional controls.