Flight simulators are computer programs or devices that replicate the experience of flying an aircraft. They are used for training pilots, allowing them to practice flying in a safe environment without the risks associated with real flights. These simulators can range from simple video games to complex systems that mimic the controls and instruments of actual airplanes. Many flight simulators include realistic graphics and physics, providing an immersive experience. They can simulate various weather conditions, terrains, and aircraft types, making them valuable tools for both professional pilots and aviation enthusiasts. Popular examples include Microsoft Flight Simulator and X-Plane.