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Washington Aviation System Plan: Executive Summary

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WASP
2009

The Washington Aviation System Plan (2009) outlines the state's strategy for maintaining and improving its 138 public-use airports over the next 25 years, highlighting aviation's critical role in Washington's economy and transportation network. The plan was developed through the Long-Term Air Transportation Study (LATS), a three-phase process authorized in 2005, which assessed existing airport capacity and projected future needs amid challenges such as population growth, limited funding, and land use conflicts. A ten-member Aviation Planning Council was appointed to translate study findings into actionable recommendations for both commercial and general aviation across the state.

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Executive Summary of the Washington Aviation System Plan (WASP), published July 1, 2009 by the Washington State Department of Transportation (WSDOT) Aviation Division. Covers Washington’s 138 public-use airports, including Seattle-Tacoma International Airport (18th busiest commercial airport), general aviation, air cargo (600,000+ tons annually), 17 million scheduled passengers, and 171,000 jobs generating $18.6 billion in total output. Summarizes the Washington State Long-Term Air Transportation Study (LATS), authorized by Engrossed Substitute Senate Bill (ESSB) 5121 in 2005, covering three phases completed September 2006, July 2007, and July 2009. Addresses Special Emphasis Regions: Puget Sound, Southwest Washington, Spokane, and Tri-Cities. Describes the Washington State Aviation Planning Council, FAA NPIAS integration, and challenges including population growth, limited funding, land use conflicts, and aviation capacity needs through 2030.

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