It's not additional features that's the problem, the P3d mdl format is different so fsx won't be able to read it at all.
Type: Posts; User: DaveWG; Keyword(s):
It's not additional features that's the problem, the P3d mdl format is different so fsx won't be able to read it at all.
Looks good, but if it is P3d native (compiled with the p3d v2 or later SDK) then it won't work in FSX. Model compiled with the v1.4 SDK will work though.