Только для версии v3.
1. Скопировать в папку PMDG 747-400
2. В файл aircraft.cfg добавить строчки, заменив ХХ на порядковый номер секции.

[fltsim.XX] 
title=PMDG Boeing 747-400 Rossia EI-XLD
sim=B747-400_GE
model=GE
panel=
sound=GE
texture=rossia_EI_XLD
atc_airline=Rossia
atc_id=EI-XLD
atc_flight_number=744
atc_model=747-400
atc_heavy=1
atc_parking_types=GATE,RAMP
atc_type=BOEING
ui_createdby=PMDG
ui_manufacturer=Boeing
ui_type=747-400 GE
ui_typerole=747-400 V3
ui_variation=Rossia EI-XLD
description=Boeing 747-400 powered by Rolls-Royce RB211-524G engines.\nPMDG Simulations\nwww.precisionmanuals.com \n\nProduced under license from Boeing Management Company.\n\nBoeing 747, 747-400, 747-8 & Boeing are among the trademarks owned by Boeing.
visual_damage=0
PMDG_Version=1 // **DO NOT EDIT THIS LINE - PMDG OPERATIONS CENTER USE ONLY**

[fltsim.XX] 
title=PMDG Boeing 747-400 Rossia EI-XLE
sim=B747-400_GE
model=GE
panel=
sound=GE
texture=rossia_EI_XLE
atc_airline=Rossia
atc_id=EI-XLE
atc_flight_number=744
atc_model=747-400
atc_heavy=1
atc_parking_types=GATE,RAMP
atc_type=BOEING
ui_createdby=PMDG
ui_manufacturer=Boeing
ui_type=747-400 GE
ui_typerole=747-400 V3
ui_variation=Rossia EI-XLE
description=Boeing 747-400 powered by Rolls-Royce RB211-524G engines.\nPMDG Simulations\nwww.precisionmanuals.com \n\nProduced under license from Boeing Management Company.\n\nBoeing 747, 747-400, 747-8 & Boeing are among the trademarks owned by Boeing.
visual_damage=0
PMDG_Version=1 // **DO NOT EDIT THIS LINE - PMDG OPERATIONS CENTER USE ONLY**