No matter what I do, or from any angle or altitude, I can't replicate the issue in FSX. Must be some slight difference FSX vs P3D. I doubt it has something to do with the path to the hangar, but more like something to do with terrain rendering. That's why I wanted to know what the altitudes in the various screen shots are. Also, do you get the same dropout in all view modes? How about with different aircraft or at different zoom levels?
Handie,
You need to download the BWEP object library because you are missing some signs and runway lighting.