X-Plane-9 is the most comprehensive and powerful flight simulator available for the personal computer. It simulates anything that flies from single-engine fixed wing props to multi-engine jets gliders to dirigibles helicopters to spacecraft to VTOLs such as the V-22 Osprey and AV8-B Harrier.It comes with subsonic and supersonic flight dynamics simulating aircraft from the Bell 206 Jet-Ranger helicopter and Cessna 172 light plane to the supersonic SR-71 and Mach-3 XB-70 Valkyrie. Includes 40 aircraft spanning the aviation industry (and history) and several hundred more are freely downloadable from the internet. Downloadable US scenery available. New advancements implemented in X-Plane 9 include all-new highly detailed aircraft with full 3D interiors stunning new global scenery and atmospherics including water and volumetric fog support for the latest generation hardware including dual-core CPUs and the latest video cards and much more. Includes Plane-Maker which lets the player create airplanes and World-Maker which lets the player create scenery. Also included is Weather Briefer that makes a weather briefing based on actual weather conditions.