Various cheats
     During play, press....

Ctrl+c+o                Wins current campaign
Ctrl+g+o                Loses current campaign
Ctrl+g+u                Homing bullets
Ctrl+t+u                Turbo speed
Ctrl+s                  Colored smoke 

All crafts:
     At  the  pilot  screen,  hold down Left Ctrl and Right Ctrl while
choosing  a  plane  to gain access to every plane and/or helicopter in
the game.