Several times I have experienced overshooting my thrust window while time warping, simply because it takes some time to toggle through the different warp speeds and down to normal speed. A simple solution would be to have a key bound to returning the warp speed to normal, similar to the way x works with thrust. Excactly which key this is has little significance, although it should either be close to the default warp keys, or easily reachable from WASD. As such, both the key to the right of . and the z-key are good alternatives without any use in-game as of now. EDIT: The same goes for parking brakes. Generally, I think every function that it is likely that you will need during flight/control of a craft, should be bindable, if not bound by default.