What does the abbreviation AGL stand for in aviation?

The abbreviation AGL in aviation stands for "Above Ground Level." This term is commonly used in various contexts within aviation, particularly when discussing altitude. AGL specifically refers to the height of an aircraft or an object in relation to the surface of the ground beneath it, rather than sea level. This distinction is crucial for pilots and air traffic controllers, especially when considering terrain, obstacles, and safe clearance distances during takeoff, landing, and while flying at low altitudes. By using AGL, aviation professionals can more accurately assess flight safety and navigation relative to the environment surrounding them.