11a. Attachment 03
SEA Stakeholder Advisory Round Table (StART) 2021 Annu
Item Number: 11a_attach_3 Date of Meeting: March 22, 2022 SEA Stakeholder Advisory Round Table (StART) Aviation Noise Working Group Aviation Near-term Noise Action Agenda Summary (as of 2/22) Action Items Late Night Noise Limitation Program Runway Use Program Glide Slope Adjustment Ground Noise Study Noise Abatement Rolling Takeoffs Noise Comment Departure Profiles Analysis Reporting Description Voluntary measure to reduce late night Revise the current informal Raise Runway 34R's Analyze airfield ground Implement a Noise Establish rolling takeoffs Provide up-to-date, (12:00 AM to 5:00 AM) noise by Runway Use Program to glideslope to lessen aircraft noise sources and Abatement Departure as the preferred takeoff accessible information on incentivizing air carriers to fly at less minimize use of the Third approach noise identify potential Profile to lessen aircraft procedure during periods noise complaints and noise sensitive hours or transition to Runway during the late night mitigation measures departure noise for farther of light air traffic comments submitted by quieter aircraft (12:00 AM to 5:00 AM) out airport communities the public Components Ongoing outreach with air carriers Updated language for: Considered various Major ground noise Analyze the tradeoffs and Evaluate whether there is Monthly statistic and about possible late night schedule Third Runway strategies and timelines for sources identified in the feasibility of implementing a measurable noise heat map reports posted and aircraft fleet changes including daytime/evening runway raising Runway 34R's 2.75 study: the "distant" versus the difference of instituting a on Port website detailing meetings with carriers with the most usage degrees glideslope and Taxiing/queuing "close-in" departure profile rolling takeoff versus a totals and trends by city, noise exceedances Third Runway late night settled on plan to Takeoff rolls and the noise impact it traditional takeoff zip code and subject Established noise thresholds that runway usage permanently relocate 34R's Reverse thrust upon would have on communities matter. identify louder aircraft exceeding navigational aids and arrival south and north of the noise thresholds during the late pursue a 3.0 degrees Auxiliary Power Unit airport night hours glideslope with the FAA (APU) use Late night noise threshold Engine maintenance observance tracked and reported run-ups out on a quarterly basis and publicized as part of the Fly Quiet Program Change Reduction of aircraft noise during the Reduction of aircraft noise Potential reduction of Reduction of aviation Reduction of aircraft noise Potential reduction of Transparent and late night hours for Third Runway adjacent aircraft noise for noise for close-in for farther out communities aircraft noise for convenient information communities and communities south of communities directly south and north of communities close to the on noise complaints and communities underneath airport surrounding the airport airport runway ends comments submitted by the Third Runway's public flightpath Key Port of Seattle, airlines and air cargo Port of Seattle and FAA Port of Seattle and FAA Port of Seattle, FAA, Port of Seattle, FAA, airlines Port of Seattle, FAA, Port of Seattle Responsible carriers airlines and air cargo and air cargo carriers airlines and air cargo Parties carriers carriers Status UNDERWAY - Program commenced in UNDERWAY - Implemented UNDERWAY - The 34R glide IN PROCESS - The NOT IMPLEMENTED The IN PROCESS A noise UNDERWAY Monthly Update July 2019 with regular reporting each in September 2019. Late slope adjustment is study's noise monitoring analysis identified a possible monitoring effort will reports began with June quarter to external audiences. In 2021, night operations on the incorporated into an airport and modeling is uptick in noise for close-in soon be implemented to 2020. the program achieved its first significant Third Runway dropped taxiway reconfiguration complete. The neighborhoods. evaluate whether there is success when EVA Airways made the dramatically from an project. Preliminary design consultant team is Consequently, the decision a measurable noise switch to a quieter aircraft during the average of 12 nightly is complete. developing potential was made to not pursue any reduction with a rolling late night hours. landings pre-implementation Implementation is mitigation measures. additional proactive takeoff. If there is, the to an average of one nightly contingent on the measures to promote the next step is to identify landing in 2021. Sustainable Airport Master distant procedure with air what language can be carriers. Item Number: 11a_attach_3 Date of Meeting: March 22, 2022 Plan's (SAMP) finalization strengthened to and FAA approval. encourage their use.
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