Federal Aviation Administration

COMPSYS 21 Geodetic Calculations

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Discontinuation of COMPSYS 21 Utility

The Federal Aviation Administration (FAA) is no longer providing or supporting COMPSYS 21 Geodetic Calculations software. The National Geodetic Survey (NGS) provides computation utilities that formed the basis for FAA's COMPSYS 21. For more information, please see to NGS Geodetic Computation Utilities .

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