Sorry for the late post. The X-Wing will have a VTOL (Verticle Take Off and Landing) system. It can ascend with the "Z" key and descend with the "X" key. This is the layout I think is most comfortable with the default controls but it may be changed.
X-Wing controls (Subject to change without notice):
W = Forward Thrust
S = Brakes
A = Left Rudder
D = Right Rudder
Left Arrow Key (Mouse/Joystick Axis)= Roll to the left
Right Arrow Key (Mouse/Joystick Axis) = Roll to the right
Up Arrow Key (Mouse/Joystick Axis)= Pitch up (Down with reversed controls)
Down Arrow Key (Mouse/Joystick Axis)= Pitch down (Up with reversed controls)
Z = Verticle Ascent Engine
X = Verticle Descent Engine