BAC SP #2 Misc 0001

Dear Mr. Metruck, Commissioners Bowman, Calkins, Felleman, Gregoire, and Steinbruck: As you are aware, the City of Burien has ongoing concerns regarding many of the plans and procedures the Port of Seattle is implementing at Sea-Tac International Airport and the significant }rnpacts these have had and will continue to have on our communitY. Our examination of the Port’s process regarding these plans and procedures, as well as our understanding of them, has raised many questions (listed below). We respectfully request that you provide answers. 1. Why have there been no studies evaluating increases in aircraft noise on ALL runways since the 2002-2007 Part ISO Study? (The 2013-2018 Part ISO Study eva}Dated on ty the th}rd runway.) FAA guidance calls for new noise analyses whenever there is an increase of noise of at least 1.5 dB DNL.1 The communities believe that there have been increases of at least 1.5 dB DNL given the rapid growth in aircraft operations since 2002. Can you show us any evidence that this is not the case? 2. The Expert Arbitration Panel’s Review of Noise (Final Report) recommendations in 19962 included many noise abatement procedures (e.g., minimizing nighttime flights, reverse thrust). Why have many of the noise abatement procedures not been implemented? Why has the Port ignored 23 years of pleas from the surrounding communities for noise abatement flight procedures and yet is willing to "discuss" such noise abatement procedures with the StART Committee? 3. When was the last time that the performance of Sea-Tac Airport’s…
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