Install flightgear-data-base by entering the following commands in the terminal:
sudo apt update sudo apt install flightgear-data-base
Description:
FlightGear Flight Simulator -- base files
FlightGear is a free and highly sophisticated flight simulator. . This package contains the default aircraft, graphics, sounds, models, and the minimum scenery (San Francisco) you need to start Flight Gear. . This package does not contain the flight simulator itself. If you want to fly, install the flightgear package.
Homepage: http://www.flightgear.org/
Version: 1:2018.1.1+dfsg-1
Section: universe/games