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Federal Aviation Administration's Free Flight initiative, which will enable pilots to choose their own flight paths in real time. Next, researchers will evaluate EDX's capabilities for future application to real-time flight plan development and modification, a potentially important step in the U.S. "EDX provides that level of trust by providing a wealth of accurate and timely data." I made a bubble sort implementation in C, and was testing its performance when I noticed that the -O3 flag made it run even slower than no flags at all Meanwhile -O2 was making it run a lot faster as expected. "Field experience has shown that controllers must have absolute confidence in the accuracy of underlying trajectory predictions in order to utilize our automation effectively," Coppenbarger says. Some data, including aircraft speed, weight, flight plans, and weather conditions, are processed immediately the rest are stored for later analysis. NASA experts say they chose the 777 because of the aircraft's state-of-the-art avionics and ability to handle datalink information quickly and efficiently.ĮDX delivers 32 types of data from the airplane to air traffic controllers using NASA's Center-TRACON (Terminal Radar Approach Control) Automation System (CTAS). The tests involved 48 United Airlines Boeing 777 aircraft with EDX software. NASA Ames researchers monitored more than 1,000 take-offs, landings, and overhead flights near Denver. "It has the potential to decrease flight delays by reducing bottlenecks in the system while improving fuel efficiency and reducing controller workload."
"This tool allows automation used for air traffic control decisions to be more accurate, thereby increasing fuel efficiency and system capacity and reducing controller workload," Coppenbarger says. "The ability to accurately predict aircraft trajectories more than 20 minutes in advance is crucial to the success of air traffic management," according to EDX technical lead Rich Coppenbarger.
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