FAA Order JO 7110.659C, effective February 29, 2016, updates air traffic control procedures for Wake Turbulence Recategorization (Recat), which changes how aircraft are grouped for safe separation purposes. Instead of the traditional three weight classes (heavy, large, and small), Recat introduces six categories based on wingspan, takeoff weight, and an aircraft's ability to withstand wake turbulence, allowing for more precise separation distances and improved airport efficiency. Facilities must obtain authorization, train personnel, and submit weekly wake encounter reports for the first eight weeks after implementing these new procedures.

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FAA Air Traffic Organization Policy Order JO 7110.659C providing procedural guidance for implementing Wake Turbulence Recategorization (Recat) procedures and separation minima. The order supersedes certain provisions of FAA Order 7110.65 and requires facilities to obtain authorization before implementing Recat procedures.

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As the source for federal transportation grants, the Puget Sound Regional Council was charged with developing a system to meet the growing need for commercial aviation. When the search for a second airport failed, they authorized the Port of Seattle to build the Third Runway, with a mandate to develop a noise abatement and mitigation program. In their effort to stop the Third Runway, the ACC argued over every detail of the Port's efforts--including property buyouts and sound insulation. The dispute was meant to be settled by a three member Expert Arbitration Panel. This is their final report. It finds 2-1, that the Port's program was insufficient in several respects. Despite that, funding for the Third Runway was approved by the PSRC, and the 'Port Package' program, proceeded largely unchanged. Expert Arbitration Panel's final decision finding that the Port of Seattle had not shown sufficient reduction in real on-the-ground noise impacts to satisfy noise reduction conditions required for approval of a third runway at Sea-Tac International Airport. The majority decision concluded the Port's noise abatement programs were insufficient despite being impressive in scope.

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