The Government Accountability Office (GAO) is taking the Federal Aviation Administration (FAA) to task for slow progress on its years-long Next Generation Air Transportation System (NextGen) project which aims to modernize U.S. air traffic management systems by moving from a ground-based air-traffic control system that uses radar, to one based on satellite navigation and digital communications. […]

The Government Accountability Office found that the Federal Aviation Administration’s NextGen program was successful in enhancing surface traffic operations at 39 of the 40 busiest airports in the United States. […]

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