FlightGear flight simulator 2018.3 is finally available to install via PPA in Ubuntu 16.04, Ubuntu 18.04, Ubuntu 18.10, and Linux Mint 18.x, 19.x.
FlightGear 2018.3 was released 2 weeks ago with new cloud lighting, better C-172p, new scenery Arctic island of Jan Mayen, and many other improvements.
How to Install FlightGear 2018.3 in Ubuntu:
1. Open terminal either via Ctrl+Alt+T keyboard shortcuts and by searching for “terminal” from application launcher. When it opens, run command to add the PPA:
sudo add-apt-repository ppa:saiarcot895/flightgear
Type user password (no asterisks feedback) when it asks and hit Enter.
2. Then upgrade FlightGear via Software Updater, if a previous version exists.
or run command in terminal to install or upgrade the flight simulator:
sudo apt-get update sudo apt-get install flightgear
To remove FlightGear flight simulator, either use your system package manager or run command:
sudo apt-get remove --autoremove flightgear
And launch Software & Updates -> Other Software tab to remove the PPAs.