Activate cheat mode and the "Enable joystick" code. Then, repeatedly
press one of the following keys to move your aircraft in the 
corresponding direction. 

Direction 	    Key
-------------------------
Forward      - [Keypad 8]
Backwards    - [Keypad 2]
Left         - [Keypad 4]
Right        - [Keypad 6]
Up           - [Keypad 7]
Down         - [Keypad 1]