Cheat mode:
Place your aircraft in a forward slip by applying full rudder in either direction and using the aileron in the opposite direction to keep flying forward in a constant heading. Enemy aircraft that are in front of your plane will not shoot. 

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All missions:
Note: This procedure involves editing a game file; create a backup copy of the file before proceeding. Use a text editor to edit the "characters" file in the saved game folder. Locate the "MISSIONS" entry and enter "26" at that location.
Information in this section was contributed by jutta geiger. 

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Change airplane speed:
Note: This procedure involves editing a game file; create a backup copy of the file before proceeding. Use a text editor to edit the "objets __ planes" file in the saved game folder. Locate the speed entry and change its value.

