TagRCAA(197)

This is a library catalog listing documents published in the year 2000 related to Seattle-Tacoma International Airport (Sea-Tac) and its surrounding environment. The records cover a wide range of regulatory and planning topics, including §401/404 wetland permits, aircraft noise mitigation studies for the Highline School District, stormwater management plans, wildlife hazard management, and the airport's Third Runway construction project. Sources include the Port of Seattle, the U.S. Army Corps of Engineers, the Department of Ecology, and various environmental consulting firms.

A 2001 community newsletter documenting widespread opposition to Sea-Tac Airport's proposed third runway construction, which required destroying 18 acres of wetlands. Residents, local elected officials, and independent experts raised serious concerns about earthquake safety, environmental damage to local streams and salmon habitat, and the structural integrity of four unprecedented earthen retaining walls planned for the project. The Port of Seattle's applications were repeatedly challenged and withdrawn due to fatal flaws in environmental planning and seismic risk analysis.

A 2001 community newsletter details strong opposition to Seattle-Tacoma International Airport's proposed third runway, highlighting concerns about destruction of local wetlands, earthquake safety risks from massive earthen retaining walls built on unstable soil, and damage to nearby streams and salmon habitat. Nearly 100 of 117 speakers at January 2001 Army Corps of Engineers and Department of Ecology hearings spoke against the project, including 22 elected officials from surrounding communities. Critics also questioned the Port of Seattle's trustworthiness in fulfilling environmental mitigation promises, citing a history of incomplete studies and unfulfilled commitments.

In February 2001, engineering firm GeoSyntec Consultants submitted a technical review letter on behalf of the Airport Communities Coalition, raising serious concerns about the proposed Third Runway expansion at Seattle-Tacoma International Airport. The review identified significant deficiencies in the geotechnical investigation and analysis supporting construction of the embankment fill and West MSE Wall, including insufficient soil strength data and inadequate seismic safety assessments. GeoSyntec warned that the proposed design — which would result in the world's tallest MSE wall built over weak, potentially unstable soils in a seismically active region — could fail under earthquake conditions, threatening both airport operations and nearby natural resources.

The FAA's Airport Capacity Benchmark Report 2001 measures the maximum number of flights 31 of the nation's busiest airports can handle per hour under both good and adverse weather conditions. The benchmarks were developed between October 2000 and April 2001 by the FAA and MITRE/CAASD to help understand the relationship between airline demand and runway capacity, and to inform long-term aviation policy decisions. While useful as a reference point, the report notes that these benchmarks are starting points for discussion rather than definitive guides for major investment or scheduling decisions.

This document outlines the U.S. Army Corps of Engineers' analysis of a December 2000 mitigation plan developed by the Port of Seattle to offset wetland impacts caused by the construction of a third runway at Seattle-Tacoma International Airport. The plan covers roughly 18.6 acres of on-site wetland restoration near the airport—including the relocation of a stretch of Miller Creek and improvements to Lora Lake's shoreline—as well as 23.39 acres of off-site wetland mitigation in Auburn. Key goals include improving water quality, restoring floodplain and fish habitat, and managing vegetation to reduce wildlife hazards such as bird strikes near the airfield.

This Fall 2000 newsletter from the Regional Commission on Airport Affairs covers the Port of Seattle's controversial third-runway expansion at Sea-Tac Airport, focusing on the Port's withdrawal and resubmission of its wetlands permit application after regulators were poised to deny it, amid allegations of political interference. It also reports on the reassignment of veteran Department of Ecology analysts critical of the project, community opposition including a student activist group called KIK, and a proposed state legislative effort to study alternative airport sites rather than expand Sea-Tac.

This September 2000 internal briefing document from the Washington State Department of Ecology (ECY) outlines the agency's long-running regulatory review of the proposed Third Runway at Seattle-Tacoma International Airport, covering key environmental concerns such as wetland mitigation, stormwater management, and wildlife hazard management. It describes ongoing conflicts with the Port of Seattle over compliance with environmental permits, including a Clean Water Act Section 401 certification that was heavily conditioned in 1998 and subsequently withdrawn by the Port. The document also notes intensifying political pressure from legislators, the Governor's office, and community opposition groups threatening legal action over perceived environmental violations.

This Summer 2000 newsletter from the Regional Commission on Airport Affairs covers legal and environmental battles surrounding Sea-Tac Airport's expansion, including a federal lawsuit over Endangered Species Act violations and disputes over wetland-filling permits. It also examines the debate over whether changing flight corridors can reduce noise impacts on surrounding communities, detailing how the Port Commission rejected a Part 150 study advisory committee's recommendations to disperse departure routes. The newsletter concludes that flight corridor changes alone cannot solve the noise problem and calls for the Port and FAA to abandon expansion plans and explore new airport sites.

In February 2000, the Regional Commission on Airport Affairs (RCAA) wrote to U.S. Senators Patty Murray and Slade Gorton urging an investigation into aviation safety concerns at Sea-Tac Airport, following a KIRO-TV news report that revealed hundreds of unreported near-misses, runway incursions, and mechanical problems documented in NASA AMES files. The RCAA argued that these hidden dangers raised serious questions about the Port of Seattle's plans to expand the airport with a third runway. The letter also requested a moratorium on expansion-related construction permits until a full safety investigation — ideally led by the FAA Inspector General — could be completed.