StART AviationNoiseWorkingGroup MeetingSummary 20210412

StART enhances cooperation between the Port of Seattle and the neighboring communities of Seattle-Tacoma International Airport Aviation Noise Working Group MEETING SUMMARY APR I L 12, 2021; 5:00 PM – 7:00 PM VIA ZOOM V IDEOCONFERENCE Meeting Objectives: • Review Glideslope adjustment progress. • Receive an update on the near-term aviation noise action agenda. • Receive an update on the temporary noise monitoring and discuss next steps. • Recap of the noise abatement departure profiles study. Meeting Summary: I. Facilitator welcome, introduction, and meeting agenda, Brian Scott from BDS Planning & Urban Design II. 34R Glideslope Adjustment Progress to Date, Colin Rice, Port of Seattle A. The Port is working with the FAA to determine if the glideslope could get raised to 3.1 degrees, above the industry standard of 3.0. Raising the glideslope from its current angle of 2.75 is a complex issue, however, for the following reasons: o The FAA owns the glideslope antennas – not the Port – making coordination & logistics complex. o Flight testing needs to be done as well and the Port must work with the FAA to move the glideslope antennas because the Port is overseeing planning, design and actual construction. o Others like PAPI (Precision Approach Path Indicator), a visual guide for pilots, must be moved as well. B. The SAMP timeline has been pushed back. o The federal environmental review (NEPA) will be completed early 2022. o The state environmental review (SEPA) will be completed by fall of 2022. III. Near-Term Aviation…

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1904 3rd Avenue, Suite 105, Seattle, WA 98101
Call to order – Roll Call – Quorum Established – Land Acknowledgement We would like to acknowledge that our Agency operates in four present-day counties, which are the traditional lands of the Coast Salish people, past and present. This acknowledgement does not take the place of authentic relationships with indigenous communities in our jurisdiction and [...]