AGL (Above Ground Level) definition
AGL (Above Ground Level) means the level as determined by the average elevation of the natural ground level within a radius of fifty feet (50’) from the center location of measurement.
Examples of AGL (Above Ground Level) in a sentence
AGL: Above Ground Level, referring to altitude above local ground BTU: British Thermal Unit, a measure of energy based upon the amount of heat required to raise the temperature of one pound of liquid water by one degree from 60° to 61°Fahrenheit at a constant pressure of one atmosphere.
Helicopters are required to maintain at or below 500 feet AGL (Above Ground Level) when operating within 10 NM of any operational airport capable of fixed wing arrivals and departures, unless approved by Air Traffic Control ATC (tower/approach).
ABBREVIATIONS to be used in this document: AGL: Above Ground Level, referring to altitude above local ground CAFE: Comparative Aircraft Flight Efficiency Foundation, Inc.