Hold [Option] and select "Tour Of Duty" from the "Missions" menu. A prompt with two fields for mission number and aircraft will appear. Enter one of the following case-sensitive aircraft codes to use that aircraft in the corresponding mission. Note: In order for this cheat to work, the selected mission must already contain the aircraft that is chosen. Alternatively, type fly:- as a call sign. For example fly:MG21-00 or fly:B727-00.
Aircraft Code
Night Hawk stealth fighter F117
The MiG27 MG27
Advanced Soviet Su-27 fighter SU27
A-10 Warthog A10A
Radar plane, no weapons AWAC
Boeing 727 B727
McDonnell-Douglas DC-10 DC10
The MiG21 MG21
B-52 bomber B52G
Tupelov bomber TU20
F-111 fighter/bomber F111