i have download differend plane´s and copy them into the aircraft forlder in cfs2. when i go to free flight and want to select the plane i can´t see the visual model. when i hit the fly now button i get the message " visual model could not be displayed" and a other message " Error loading mission file. Either mission file is corrupt or formatted improperly".
i have looked up in the folders of the aircarfts and i can see no differends with my other planes.

can somewhan help me.

???

thanks for the tip, it worked on serveral planes i can now see them en fly with them. but it did not worked on all the problem planes. when i use mdl repair v2 some planes get a purple star it means that it is a new gmax format. these planes are the problem planes.
does anywhan no a tool to look inside a mdl file.  this is al new for me, a i anger to make these planes work !!!.
so help me.
this a the planes   super constellation, ov-10 bronco and a pilatus pc9m.