FlightGear is a free and open source Flight Simulator for Linux, Windows, Mac OS-X, FreeBSD, Solaris, and IRIX. FlightGear Flight Simulator comes with 3 primary Flight Dynamics Models and you can also add new dynamics models. Available Flight Dynamics Models are JSBSim, YASim and UIUC. It support standard 3d model formats and xml based ascii files. Some of the important features are more than 20000 real world airports, Sloping runways, accurate and detailed terrain and sky model like lakes, rivers, roads, railroads, cities, towns, sun, moon and stars.
Available flight are 1903 Wright Flyer, ornithopters, 747 and A320, military jets, and several light singles. You can design your own interactive 3d cockpits in FlightGear. It supports multiple displays.
Recommended system requirements for FlightGear:
Quad core processor with 2 GHz each.
4 GB of free RAM
64 bit architecture
OpenGL 2.1 compliant hardware accelerated 3D video card
22GB of dedicated DDR3+ VRAM
10GB to 80 GB Storage space
Install FlightGear Flight Simulator on Ubuntu:
You can install FlightGear Flight Simulator on Ubuntu via unofficial PPA. The downloaded size is around 1.65 GB.First open your terminal app in Ubuntu. Then type the below command in the terminal and after that enter the enter key.
sudo add-apt-repository ppa:saiarcot895/flightgear
Then type your Ubuntu Password and hit enter. During the FlightGear Flight Simulator PPA addition process, it will ask to confirm the addition. Just press your enter key to add the PPA. Then run the below command in the terminal.
sudo apt-get update
Then type the below command in the terminal and hit the enter key to install the FlightGear Flight Simulator on Ubuntu.
sudo apt-get install flightgear
During the FlightGear Flight Simulator installation press the Y key and then the enter key to confirm the installation of FlightGear Flight Simulatoru.
After the installation of FlightGear Flight Simulator, click the show applications in the Ubuntu Gnome dock and type FlightGear in the search box and click FlightGear to open it. For Unity you can search FlightGear from Ubuntu dash.