/usr/share/applications/flightgear.desktop is in flightgear 2.4.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 | [Desktop Entry]
Encoding=UTF-8
Type=Application
Version=1.4
Name=FlightGear
Exec=fgfs
Terminal=false
Categories=Game;Simulation;
Comment=A flight simulator
Comment[pt]=Simulação de Vôo
Icon=
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