FlightGear v2.12 Flightgear complete free open source flight simulator for the home PC. This new version contains many exciting new features, enhancements and bugfixes. Highlights in this release include improved usability, better terrain rendering and a fully scriptable 2D rendering system.FlightGear features more than 400 aircraft, a worldwide seamless scenery database, a multi-player environment, detailed sky modelling, a flexible and open aircraft modelling system, varied networking options, multiple display support, a powerful scripting language, and an open architecture. Best of all, being open-source, the simulator is owned by the community and everyone is encouraged to contribute.