National Airspace System : observations on the wide area augmentation system
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1997-10-01
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TRIS Online Accession Number:00761135
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NTL Classification:NTL-AVIATION-Air Traffic Control;NTL-AVIATION-Airports and Facilities;NTL-AVIATION-Aviation Economics and Finance;NTL-AVIATION-Aviation Planning and Policy;NTL-AVIATION-Aviation Safety/Airworthiness;
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Abstract:This congressional testimony by Gerald L. Dillingham, Associate Director,
Transportation Issues Resources, Community, and Economic Development Division
discusses the Federal Aviation Administration's (FAA) Wide Area Augmentation
System (WAAS) program. FAA is planning a transition from a ground-based civil
air navigation system to a satellite-based system. Specifically, the testimony
discusses: (1) the likelihood of WAAS' satisfying key performance requirements
within current program cost and schedule estimates; (2) the importance of
avoiding delays in FAA's timetable for shutting down (decommissioning)
ground-based navigation aids; and (3) the potential impact of cost increases
and decommissioning delays on the benefit-cost analysis for the WAAS program.
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