This map depicts the planning area boundary surrounding Seattle-Tacoma International Airport and its neighboring communities, including Burien, Normandy Park, Des Moines, Tukwila, and Riverton. The shaded region highlights the airport's footprint and immediate environs, while the dashed boundary line delineates the study area used for airport-related land use and noise planning purposes. The document appears to be part of an environmental or community planning effort assessing the impact of Sea-Tac Airport on surrounding residential and commercial areas.

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A detailed map showing the planning area boundary for the Seattle-Tacoma International Airport region. The map covers surrounding communities including Burien, Normandy Park, Des Moines, Tukwila, and SeaTac, with the airport grounds highlighted in gray at the center. The planning area boundary is marked with a dashed line encircling the airport and adjacent neighborhoods.

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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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