[ahmed_merabet]

flightsimulator/simojec/airplanes/PMDG747400
after that open file Aircraft CFG file and go make chang here


[WEIGHT_AND_BALANCE]

empty_weight = 39.0 //
max_gross_weight = 80.0 //
max_landing_weight = 63.0 //
max_zerofuel_weight = 54.0 //
CG_forward_limit=0.130 //
CG_aft_limit=0.331