TagBoeing Field(62)

Joint Transportation Committee 09/17

The King County International Airport (Boeing Field) Residential Aircraft Noise Remedy Improvements Program (RANRIP) is a sound insulation program that provides home modifications to reduce aircraft noise for eligible residents living near the airport. The program, initially approved by the FAA in November 2006 and updated in September 2012, outlines policies and procedures covering homeowner eligibility, design assessments, construction processes, and post-construction inspections. Funding for sound insulation treatments is provided through the program, with the goal of measurably reducing interior noise levels for qualifying residences within the defined noise mitigation boundary.

A 2009 Washington State aviation planning study assessed which existing airports could absorb overflow demand from airports projected to hit capacity limits by 2030, with Sea-Tac International among those forecast to exceed both airfield operations and passenger terminal capacity. The analysis evaluated potential alternate airports within roughly 60 miles of Sea-Tac based on factors such as available capacity, runway length, and highway access, while noting that free-market decisions by airlines and passengers would ultimately determine how traffic is distributed. The study was intended as a first-level screening, with more detailed environmental and operational analyses expected before any formal relief airport designations could be made.

The King County International Airport Sound Insulation Program, launched in 2005, offers free noise-reduction improvements to qualifying single-family homes (4-plex or smaller) located within the airport's noise mitigation area. Funded primarily by the FAA with a 5% match from King County, the program installs sound insulation upgrades to reduce the impact of aircraft noise inside residences. Homeowners who qualify must complete an eight-step participation process, including attending a briefing, signing a program contract, and granting an avigation easement.

This document traces the history of commercial airport capacity and noise policy decisions in the Central Puget Sound region from 1973 to 2006, focusing on Sea-Tac Airport. It covers key milestones such as the Port of Seattle's various noise mitigation programs, agreements with the Highline School District, and debates over building a third runway and expanding Boeing Field. The chronology highlights the ongoing tension between meeting growing air travel demand and addressing the noise impacts on surrounding communities and schools.

In October 2005, King County Executive Ron Sims rejected proposals from Southwest Airlines and Alaska Airlines to move commercial passenger service to Boeing Field (King County International Airport). Southwest had proposed an $130 million, 8-gate terminal for up to 85 flights per day, while Alaska Airlines followed with a $150 million proposal for up to 100 flights per day, but the competing proposals together would have required costly environmental review, significant public funding, and were projected to cause major noise and traffic impacts on surrounding neighborhoods. Sims concluded that while either proposal alone might have been feasible, accommodating both was impossible under his criteria of no taxpayer subsidies and no significant noise or traffic harm to communities.