X-Plane is a powerful flight simulator with a realistic flight models. Welcome to the world of props, jets, single and multi-engine airplanes, as well as gliders, helicopters and VTOLs such as the V-22 Osprey and AV8-B Harrier. Comes with subsonic and supersonic flight dynamics, sporting aircraft from the Bell 206 Jet-Ranger helicopter and Cessna 172 light plane to the supersonic Concorde and Mach-3 XB-70 Valkyrie.
X-Plane comes with about 40 aircraft spanning the aviation industry. Scenery is almost world-wide, with scenery for the entire United States, Hawaii, Alaska, Europe, Australia, Canada, and Japan. You can 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, and oil rigs.
X-Plane also has 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 gear at any moment. It is extremely customizable, allowing you to easily create textures, sounds, and instrument panels for your own airplanes that you design or the planes that come with the sim.