Add the following sections to the aircraft.cfg files
Be sure to change the [fltsim.xx] to the next sequential number.







[fltsim.6]
title=MystereIVA RED
sim=MIV-VX
model=2
panel=
sound=
texture=red
kb_checklists=MystIVA_check
kb_reference=
atc_id=
atc_airline=
atc_flight_number=
ui_manufacturer=AMD
ui_type=MystereIVA
ui_variation=Air Superiority Red
ui_typerole=Fighter
ui_createdby=RESTAURAVIA
visual_damage=
description= 
atc_id_color=0x00000000
atc_heavy=0
atc_id_font=Verdana,-11,1,600,0


[fltsim.7]
title=MystereIVA BLUE
sim=MIV-VX
model=2
panel=
sound=
texture=blue
kb_checklists=MystIVA_check
kb_reference=
atc_id=
atc_airline=
atc_flight_number=
ui_manufacturer=AMD
ui_type=MystereIVA
ui_variation=Tactical Blue
ui_typerole=Fighter
ui_createdby=RESTAURAVIA
visual_damage=
description=
atc_id_color=0x00000000
atc_heavy=0
atc_id_font=Verdana,-11,1,600,0



[fltsim.8]
title=MystereIVA TESTO
sim=MIV-VX
model=2
panel=
sound=
texture=test
kb_checklists=MystIVA_check
kb_reference=
atc_id=
atc_airline=
atc_flight_number=
ui_manufacturer=AMD
ui_type=MystereIVA
ui_variation=Evaluator
ui_typerole=Fighter
ui_createdby=RESTAURAVIA
visual_damage=
description=
atc_id_color=0x00000000
atc_heavy=0
atc_id_font=Verdana,-11,1,600,0