X-Plane 9 - Mac The most realistic flight model available for personal computers. 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 Concorde and Mach-3 XB-70 Valkyrie. Includes over 40 aircraft spanning the aviation industry (and history), and several hundred more are freely downloadable from the internet. Land at any of over 18,000 airports, as well as test your mettle on aircraft carriers, helipads on building tops, frigates that pitch and roll in the waves Weather is variable from clear skies and high visibility to thunderstorms with controllable wind, wind shear, turbulence, and microbursts. Rain, snow and clouds are available for an instrument flying challenge. Real weather data can be downloaded, allowing you to fly in the actual conditions that currently exist! / Stunning new global scenery and atmospherics, including reflective water and volumetric fog Includes detailed failure modeling, with 35 systems that can be failed manually or randomly, when you least expect it! You can fail instruments, engines, flight controls, and landing.