Realistic graphical display and excellent scenery are what makes a good flight sim. This is definitely the most important thing you have to keep in mind when browsing through potential Flight Sim aircraft games you may wish to acquire. In addition, do note that you will require a decent games-spec graphics card in your computer, so check the requirements on the net site carefully. Virtual 3D Pilot has a terrific helicopter flight model and as for X-plane, several helicopters can be bought via the xplane store. There are lots of flight simulation games online which are available for download today and here at freeflightsim.net we will continue to highlight the best of flight simulator games.