Thanks, Martin, with your hint the shadow problem is solved. Didn't know that the GRD1-file acted like a sim object, learned something! Another issue I realized is on ground roll at the apron of TNCM the plane created dust as like driving on soil when not in the range of the invisible taxi path of t...

updated to the version 1.9 for TNCM, TFFJ and SABA (P3Dv4) from my St. Maarten complete (P3D too). Everything works but at TNCM and SABA there are no ground shadows from user plane and sim objects. TFFJ has shadows. My old scenery had shadows at TNCM too but not at SABA. PLease tell how to get the s...