Microsoft Flight Simulator 2004: A Century of Flight — This game came with several historical aircraft such as the Wright Flyer, Ford Tri-Motor and Douglas DC-3 to commemorate Wright's 100th birthday. The brothers' first flight. The program included an improved weather engine that provided true 3D clouds and true local weather conditions for the first time. The engine also allowed users to download weather information from real weather stations, allowing the simulator to synchronize the weather with the real world. Other improvements over the previous version included improved ATC communications, GPS equipment, interactive virtual cockpits, and a greater variety of autogens such as barns, street lights, bunkers, etc.