Notes
Technical Memorandum No. 4 (Final) prepared by Leigh Fisher for Port Of Seattle as part of the Sustainable Airport Master Plan (SAMP) for Seattle-Tacoma International Airport. Covers forecasts of aviation activity including enplaned passengers (domestic and international), air cargo, aircraft operations, origin-destination markets, airline market shares, connecting hub role, and international gateway function. Analyzes socioeconomic drivers including Seattle and Washington State population, employment, income, unemployment rates, industry clusters, and tourism. Incorporates economic outlook for global, U.S., Washington, and Seattle economies as basis for forecast aviation demand. Includes historical passenger airline traffic data by airline type, Alaska Airlines market share, and domestic and international O-D markets.