X-Plane Car Park Height Barrier 1.0. Here are some car park height barrier objects for use in your X-Plane sceneries. They are set at 1.98 m in height or 6'6". With these barriers, you can get your average family car underneath no problem. There are two objects, one approximately 5 m wide and the other approximately 10 m wide. Feel free to use as you like and as always all constructive comments are welcome. By Stuart McGregor.