Download of FlightGear-2017.2.1-data.tar.bz2 (FlightGear-2017.2.1-data.tar.bz2 ( external link: SF.net): 1,590,727,949 bytes) will begin shortly. If not so, click link on the left.
The FlightGear Flight Simulator project is a free, open-source, multi-platform, flight simulator. FlightGear has been used for desktop simulation, engineering simulations, faa certified simulators, university research, and the aerospace industry.