FlightGear Logo.png
Cockpit View of A320neo in FlightGear 3.7
Cockpit View of A320neo in FlightGear 3.7
Original author(s)David Murr, Curt Olson, Michael Basler, Eric Korpela[1]
Developer(s)FlightGear Developers & Contributors
Initial releaseJuly 17, 1997; 21 years ago (1997-07-17)
Stable release
2018.3.1[2] / December 6, 2018; 2 months ago (2018-12-06)
git.code.sf.net/p/flightgear/flightgear Edit this at Wikidata
Written inC++, C[3]
Operating system32-bit & 64-bit Windows
Mac OS X
Solaris or IRIX
Size1.54 GB (Main files)
Available inEnglish (Translations Available)
TypeFlight simulator

FlightGear Flight Simulator (often shortened to FlightGear or FGFS) is a free, open source multi-platform flight simulator developed by the FlightGear project since 1997.[4]

David Murr started the project on April 8, 1996. The project had its first release in 1997 and continued in development. It has specific builds for a variety of operating systems including Microsoft Windows, Mac OS X, Linux, IRIX, and Solaris.

FlightGear source code is released under the terms of the GNU General Public License and is free and open-source software.

Some commercial products—Earth Flight Sim, Flight Pro Sim, Flight Simulator Plus, Pro Flight Simulator, Real Flight Simulator, Virtual Pilot 3D, and others—are copies of old versions of FlightGear, see Commercial redistribution. They are not endorsed by the FlightGear project.[5]


FlightGear started as an online proposal in 1996 by David Murr, in Canada. He proposed a new flight simulator developed by volunteers over the Internet as alternative to proprietary, available simulators like the Microsoft Flight Simulator. The flight simulator was created using custom 3D graphics code. Development of an OpenGL based version was spearheaded by Curtis Olson starting in 1997. FlightGear incorporated other open-source resources, including the LaRCsim flight model from NASA, and freely available elevation data. The first working binaries using OpenGL came out in 1997.

In June 2014 Honda lawyers issued a takedown request in which it was claimed that the HondaJet model in the simulator infringes on Honda's trademarks. Subsequently, HondaJet became the first model removed from the simulator due to legal reasons.[6]


Several networking options allow FlightGear to communicate with other instances of FlightGear. A multiplayer protocol is available for using FlightGear on a local network in a multi aircraft environment. This can be used for formation flight or air traffic control simulation. Soon after the original Multiplayer Protocol became available, it was expanded to allow playing over the internet.

Several instances of FlightGear can be synchronized to allow for a multi-monitor environment.

Other Languages
العربية: فلايت جير
català: FlightGear
dansk: FlightGear
Deutsch: FlightGear
español: FlightGear
français: FlightGear
italiano: FlightGear
עברית: FlightGear
lietuvių: FlightGear
Nederlands: FlightGear
日本語: FlightGear
norsk: FlightGear
polski: FlightGear
português: FlightGear
русский: FlightGear
suomi: FlightGear
svenska: Flightgear
українська: FlightGear
中文: FlightGear