Check out an authentic flight simulator for Mac. Access environments generated with an accurate time of day model, as well as the correctly placed sun, moon, stars, and planets for the specified time and date. Fly the 1903 Wright Flyer, ornithopters, a 747 and A320, various military jets, etc.
FlightGear is an open-source, cross-platform, flight simulator. The goal of the FlightGear project is to create a sophisticated flight simulator framework for use in research or academic environments, for the development and pursuit of other interesting flight simulation ideas, and as an end-user application.