AGL Meaning and
Definition
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AGL is an abbreviation for "Above Ground Level." It is a term primarily used in aviation and is used to measure the height or altitude of an aircraft relative to the ground or terrain beneath it. AGL specifically refers to the vertical distance between the aircraft and the ground surface directly below it, disregarding any structures or elevated features.
The concept of AGL is crucial in flight operations as it helps pilots maintain situational awareness and make informed decisions regarding navigation, terrain clearance, and communication with air traffic control. By knowing the aircraft's altitude AGL, pilots can determine the minimum height necessary for safe operations, such as during takeoff and landing, and ensure proper obstacle avoidance during flight.
AGL measurements are particularly important during low-altitude operations, such as in approaches to airports or flying in mountainous areas. By referencing AGL, pilots can assess their clearance from the ground and obstacles ahead to maintain a safe vertical separation.
It is worth noting that AGL is different from Above Mean Sea Level (AMSL), which measures the aircraft's height relative to a standardized sea level reference point, typically derived from barometric pressure readings. While AMSL is commonly used for higher-altitude flight operations, AGL provides a more practical and accurate understanding of an aircraft's clearance from the ground or terrain at lower altitudes.
Common Misspellings for AGL
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