Plain English Meaning

A ground simulator that looks and works like a real cockpit, used to practice flying without leaving the ground. It does not need to move or have outside scenery to count as one.

Full Definition

A ground-based training device that replicates the instruments, equipment, panels, and controls of a specific aircraft or class of aircraft in an open flight deck or enclosed cockpit, used for pilot training and proficiency, but which does not require a visual display or motion system. Flight Training Devices (FTDs) are categorized by level (Level 1 through Level 7 historically, with current FAA categorization under ) according to the with which they reproduce the aircraft's and handling.