Вместо ХХ поставить порядковый номер сима

[fltsim.ХХ]
title=Mil Mi6A YAMAL RA-21050
sim=Mi6zh
model=GVF
panel=
sound=
texture=YAMAL21050
checklists=
kb_checklists=
kb_reference=
atc_id=21050
atc_airline=YML
atc_flight_number=21050
ui_manufacturer=MIL_zh
prop_anim_ratio=-1.33         /////-1.52
ui_type=Mi6
ui_variation=YAMAL RA-21050
visual_damage=1 
description=Painted by Epsilon63
atc_heavy=1
