An educational diagram titled 'FAA Protected Surfaces' produced by the Port of Seattle, illustrating Part 77 Transitional Surfaces (sloping 7:1, with 500' lateral extents) and 50:1 Approach Surfaces (with 200' and 10,000' reference distances) relative to a runway. The document references www.portseattle.org/safecorridor and is dated November 1, 2016, with Port of Seattle contact information and social media icons visible at the bottom.

Notes

An educational diagram titled ‘FAA Protected Surfaces’ produced by the Port of Seattle, illustrating Part 77 Transitional Surfaces (sloping 7:1, with 500′ lateral extents) and 50:1 Approach Surfaces (with 200′ and 10,000′ reference distances) relative to a runway. The document references www.portseattle.org/safecorridor and is dated November 1, 2016, with Port of Seattle contact information and social media icons visible at the bottom.

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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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