International Standard Atmosphere

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Term International Standard Atmosphere
Status


Mandatory for


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Narrower term


Abbreviation

ISA

Definition

variation of air temperature, pressure, and density with height above mean sea level. Used to normalize the results of aeroplane design calculations and to analyse test data.

Definition Source

ICAO (2008) DOC 9911 Recommended Method for Computing Noise Contours Around Airports 2008, 1st ed., p. (x)

Note