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2.3 Aircraft Vortex Spacing SystemThe Aircraft Vortex Spacing System (AVOSS) integrates output from systems that provide current and predicted weather conditions, models of wake vortex transport and decay in these conditions, and real-time feedback from wake behavior sensors to produce weather-dependent, dynamic wake vortex spacing criteria for arriving aircraft.During 1999, AVOSS system enhancements were completed for an FY 2000 real-time engineering-model demonstration of the Terminal Area Productivity Project at Dallas-Ft. Worth Airport. Here, AVOSS use during instrument approach conditions could boost arrival capacity by six to nine percent. Gains of over 10 percent may be achieved at other airports. Although AVOSS technology currently focuses on enhancing airport traffic capacity for arrivals on a single runway, it could be applied to aircraft departures and parallel runway operations.
An AVOSS concept demonstration was successfully performed at the Dallas-Fort Worth International Airport in July 2000, where an initial version of AVOSS has been in operation since 1997.
NASA POC:
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NASA Headquarters Responsible Official: Code R
Curator: SAIC Information Services http://www.aerospace.nasa.gov |
