X-Plane 10 HD Mesh Scenery V3 Tile +20+130 The X-Plane HD scenery is an improved version of the base scenery. It consists of a more detailed ground triangle mesh and more accurate (and in many parts improved) landclass data. It includes improved forests, accurate rivers, lakes, coastline, road and railroad networks based on updated OSM data. More info at: www.alpilotx.net. By Andras Fabian (Alpilotx).