Checked it on my PC with all installed that ORBX offers for that area. Got no flying buildings at Merill field. Flying objects are caused by an "timing loading error", when the autogen objects are placed while a low LOD mesh (or a flatten file not yet) is loaded. They keep their height. When the sim engine switches to a higher mesh LOD level (which could be lower due to its higher resolution at some areas) autogen buildings are flying. I don´t know any other possible reason. It often happens w