As promised in my previous post , here are my initial comments on FlightGear. The installation of FlightGear went like a breeze. FlightGear is cross platform, so it requires OpenAL and OpenGL. So make sure that your graphics card supports OpenGL. The first thing that struck me when I saw the manual was that FlightGear has to be launched with the command line. The position of the aircraft, the type of aircraft, the weather, time and many other options are passed as command line arguments. However, there is an easy GUI launcher that manages this for the user. Another disappointment was finding that most of the aircraft models shipping with the simulator were still under development. I tried my hand at the Cessna 172P, which was a production aircraft, meaning that it was not under development. Again, I must remind you that the only experience I have of sitting in the pilot's seat is in other simulators, so I can only draw contrasts with the other simulators. The first difference th...