Help Pls..

[Eiiic]

i have downloaded the MD11AOM and when i place it in the
aircraft folder i didnt see it on none of my plane list.
(WHAT HAPPEN).Did this happen to anyone before. can anyone
tell me what i can do to for the plane can show on the list.

[Apex]

Search backwards through these topics here, I think this has come up before, there might be some help already here.  

I'm still back in FS02 & FS04 so can't give you an answer.