You can't merge the 2 because Posky was built for FE9/2004 and the interior and exterior are one model and not separate like FSX is. You are asking FSX to load 2 planes and one cockpit. I don't even think it is possible to alias it in either because of the same reason.I spent hours trying to do it. and failed until I figured out what was going on.
Right now I am working on making a 3D cockpit with my CAD program that I just figured out it save to 3ds that can be imported to GMAX, still need to find the step that gets me to a mdl file, Model Converter x does not go from 3ds ro mdl. I don't know the process for posting picture here yet so I will post a link to a open group on Facebook and you can check them out there.
Rick
https://www.facebook.com/groups/1680650822153520/1708022162749719/?notif_t=like
