TagPort Of Seattle(2405)

This document presents evidence that the Port of Seattle violated Federal Grant Assurance C.6 and Washington State law RCW 53.54.020 in connection with its FAR Part 150 Noise Compatibility Program at Seattle-Tacoma International Airport. It compiles 17 items of supporting evidence, including a 1998 congressional request for a GAO audit, state auditor correspondence, findings by Deloitte & Touche identifying violations from 1990 to 1994, and records showing the Port received over $100 million in federal funds tied to noise mitigation commitments it allegedly failed to honor. The materials illustrate the consequences for surrounding communities and governments that held land-use authority under the noise compatibility planning process.

This catalog lists documents received in 1992 related to aviation planning and noise policy in the Puget Sound region, with a focus on Sea-Tac International Airport (STIA). It includes environmental impact statements, noise exposure maps, community association comments, budget documents, and FAA regulatory guides, many connected to the 'Flight Plan Project' — a regional air transportation study. Several items were donated by attorney J. Richard Aramburu and other community stakeholders involved in airport noise and development issues.

This is a library catalog listing documents from 1995 related to Sea-Tac International Airport's planned expansion, including a third runway proposal. The documents cover environmental impact statements, noise studies, community group objections, legal appeals, and financial analyses from sources such as the FAA, Port of Seattle, and local community associations. The catalog was compiled to track public records and research materials relevant to airport noise policy and development decisions in the Seattle region.

In a June 1998 letter to a Seattle Times reporter, Washington State legislators Karen Keiser and Julia Patterson urged media coverage of the Port of Seattle's violations of federal grant rules governing its noise remedy programs near Sea-Tac Airport. The State Auditor's Office confirmed the Port failed to obtain required written support from surrounding local jurisdictions, while auditors at Deloitte and Touche had repeatedly flagged the same violations without the Port taking corrective action. Over $130 million in federal funds had already been spent insulating and assisting homeowners, with an additional $11 million needed to redo 1,141 homes due to building-code violations that local consultation might have prevented.

This Sea-Tac International Airport brochure, prepared by the Port of Seattle in Summer 1998, compares the noise footprints of Stage II jets, Stage III jets, and general aviation/commuter aircraft to help residents understand the noise impacts of different aircraft types. It explains that Stage III aircraft are significantly quieter than Stage II aircraft, and that replacing older Stage II planes with newer Stage III models would meaningfully reduce noise levels in surrounding communities. The document also defines key noise measurement terminology, including DNL (Day-Night Average Sound Level), and notes that nighttime flights carry a 10-decibel penalty in noise accounting.

This Port of Seattle document explains flight track plots for propeller aircraft at Seattle-Tacoma International Airport, showing the ground paths of arrivals and departures during daytime hours (6 a.m. to 10 p.m.) for both north and south traffic flows. Aircraft flight paths vary due to pilot technique, weather, and air traffic control, meaning planes assigned the same route will not follow identical tracks. On average, Sea-Tac experiences south flow conditions 65% of the year and north flow 35%, with propeller aircraft kept on separate tracks from faster jet aircraft.

This Port of Seattle document explains flight track plots for Seattle-Tacoma International Airport, which map the ground paths of jet aircraft arrivals and departures during daytime hours (6am–10pm). It describes how wind conditions determine whether aircraft fly in a north or south flow pattern, with south flow occurring about 65% of the year. The document also notes that even aircraft following identical routes will not fly the exact same path, due to variations in pilot technique, weather, air traffic control, and aircraft performance.

This Summer 1998 newsletter from the Seattle-Tacoma International Airport Noise Abatement Office covers the Noise Remedy/Home Sound Insulation Program, explaining how the program boundary was established using 65 DNL noise contours and noting that 6,375 of 10,000 eligible homes had been insulated by Q1 1998. It also includes a quarterly report on fleet noise compliance, flight pattern changes, and an update on the Part 150 Noise Study, which was set to be presented at a public open house on July 23, 1998. Additionally, the newsletter lists upcoming regional airshow events for summer 1998, including Seafair and the Blue Angels, along with associated noise complaint contact numbers.

This document compiles evidence alleging that the Port of Seattle violated Federal Grant Assurance C.6 and Washington State law RCW 53.54.020 in connection with its noise compatibility program at Sea-Tac Airport. It includes letters from elected officials, audit findings by Deloitte & Touche, and records showing the Port received over $100 million in federal funds for FAR Part 150 noise mitigation while allegedly failing to comply with the program's requirements. Supporting materials span 1990–1998 and involve Congress members, state legislators, the FAA, and the Washington State Auditor's Office.