FlightGear flight simulator is the open-source,freeware simulator developed by the FlightGear Project. The first release was in 1997,and so far there was a lot of releases.
FlightGear simulator ການບິນແມ່ນເປີດເຜີຍ, ແຫຼ່ງ, simulator freeware ພັດທະນາໂດຍໂຄງການ FlightGear. ການປ່ອຍທໍາອິດແມ່ນຢູ່ໃນ 1997, ແລະມາເຖິງຕອນນັ້ນມີຢ່າງຫຼວງຫຼາຍຂອງການປ່ອຍ.