Press 9 for full throttle to take-off from aircraft carrier.
Press F1 for GUI and help.
Press F9 to toggle automatic coordinated-turning (for propeller aircraft).
Press Backspace to reset.
To enable joystick, pass -j
See the manual.
Problems
Renders nothing and lots of console errors:
Caused by an obsolete or inferior OpenGL driver (older than OpenGL 2.0).
Try passing -no-shaders -no-shadows
Can't find Lua script or data file error:
If you're a package maintainer, email me for help in making a package. You must run the program from where you uncompressed the source code.
If you copied the executable by itself elsewhere, that is the cause of the error.