X-Plane 10 UHD Mesh Scenery V1 Region: Europe - Pyrenees The X-Plane UHD scenery is an experimental, ultra high resolution mesh with 30m DEM data included (the rest is based on the same data as HD Mesh Scenery v3). It has very high hardware needs, especially a minimum of 16 GByte RAM(!) and a fast GPU are required! More info at: www.alpilotx.net. By Andras Fabian (Alpilotx).