Preliminary Assessment of Airspace Interactions: Seattle-Tacoma International Airport and King County International Airport

A 1982 draft working paper prepared by Peat, Marwick, Mitchell & Co. for the Port of Seattle assessed airspace interactions between Seattle-Tacoma International Airport (Sea-Tac) and King County International Airport (Boeing Field). The study analyzed existing and projected airfield capacities, aircraft delays, and the effects of overlapping airspace on both airports, taking into account factors such as air traffic demand, aircraft mix, weather conditions, and runway procedures. Its findings were intended to help the Port of Seattle determine whether more detailed investigation and mitigation measures were needed in a subsequent phase of the study.

Notes

Draft working paper prepared by Peat Marwick Mitchell & Co. for the Port Of Seattle in April 1982, providing a preliminary assessment of airspace interactions between Seattle-Tacoma International Airport (Sea-Tac) and King County International Airport (Boeing Field). Analyzes airfield capacities and aircraft delays at both airports, including effects of airspace interactions on those metrics. Assessment uses analytical techniques with broad-based assumptions to determine whether magnitude of airspace interactions warrants further investigation in a Phase 2 study. Topics include air traffic demand, aircraft mix, ceiling and visibility conditions, runway use, ATC procedures, FAA air traffic records, and the National Airspace System Plan. Tables cover annual and peak hour operations forecasts, monthly/daily/hourly distributions of aircraft operations.

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