A "flight simulator" is a device utilized to mimic the experience of flying an aircraft without being airborne. Many different names are used to refer to such devices, depending on their specific features. A "pilot simulator," for instance, is a general term used to describe a simulator designed for aviation training purposes. An "aircraft simulator" is another name often used for a commercial type of flight simulator. A "motion simulator," on the other hand, refers to a device that is much more immersive and features realistic movement to simulate the experience of flying. Other names used in this category include aviation training devices, flight training devices, and airline training simulators.