TagSea-Tac Airport(2010)
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2026-05-26
Port Of Seattle regular commission meeting agenda, May 26, 2026
Agenda for the Port of Seattle Regular Commission Meeting held May 26, 2026, conducted both virtually via MS Teams and in person at Seattle-Tacoma International Airport. The agenda includes consent items covering meeting minutes approval, claims and obligations, Cisco software licensing, and S Concourse Evolution program authorization. New business items address amendments to a Norwegian -
TRACON S46
A secured facility entrance with chain-link fencing topped with razor wire, yellow vehicle barriers, and a 'Notice of Inspection' sign visible on the right fence post. The main building in the background has a multi-story institutional design consistent with a jail, prison, or detention center, surrounded by trees in a Pacific Northwest setting. -
2026-05-22
SAMP: the unsustainable airport master plan – 2026 pre-open house hero
Advocacy flyer opposing the Sea-Tac Airport Sustainable Airport Master Plan (SAMP), characterizing it as the 'UnSustainable Airport Master Plan' and warning of one-third more flights, noise, and pollution with no mitigation or compensation. Public comment is noted as beginning May 22, 2026, with resources listed at stni.info/samp/ and sea-tacnoise.info. -
2026-05-22
SAMP – the unsustainable airport master plan
A advocacy flyer from Sea-Tac Noise.Info (stni.info/samp/) opposing the Sea-Tac Airport Sustainable Airport Master Plan (SAMP), characterizing it as the 'UnSustainable Airport Master Plan.' The flyer warns of one-third more flights, noise, and pollution with no mitigation or compensation, and announces a public comment period opening May 22, 2026. -
Finding of no significant impactrecord of decision for the sustainable airport master plan near term projects at the seattle tacoma international airport page 1
Cover page of a U.S. Department of Transportation Federal Aviation Administration Northwest Mountain Region document titled 'Finding of No Significant Impact/Record of Decision' for the Sustainable Airport Master Plan Near-Term Projects at Seattle-Tacoma International Airport, Seattle, Washington. The document bears project number EAXX-021-12-ARP-17297535477 and is dated September 2025. -
2026-05-15
AMENDED CERTIFIED INDEX TO THE ADMINISTRATIVE RECORD
The Federal Aviation Administration filed an amended certified index to the administrative record in two Ninth Circuit cases challenging the FAA's September 24, 2025, Finding of No Significant Impact/Record of Decision for near-term construction projects at Seattle-Tacoma International Airport. The cases were brought by Vashon Island Fair Skies and the City of Burien, among others, who are contesting the agency's environmental review of the airport expansion plans. The full administrative record was made available to petitioners electronically on May 8, 2026. -
SAMP Near-Term Projects Aerial Map — SEPA Draft EIS
A slide titled 'SAMP Near-Term Projects' presents an aerial map of Seattle-Tacoma International Airport identifying planned near-term capital improvements including a Second Terminal, North Gates, Taxiway A/B and D Extensions, Runway Blast Pads, Hardstand areas (Central and North), Busway and Stations, Roadway Improvements, Fuel Farm Expansion, ARFF Relocation, Westside Maintenance Campus, C4S Warehouse Redevelopment, Off-site Cargo, and a Centralized Receiving and Distribution Facility. The slide is labeled page 3 and uses a color-coded legend distinguishing new terminal, maintenance, cargo, support facilities, hardstand pad, existing buildings, new pavement, and demolition areas. -
SAMP Near-Term Projects SEPA Draft EIS Timeline and Next Steps
A project timeline slide showing the environmental review process for a Sea-Tac Airport project, currently at the Draft SEPA EIS Publication stage (5/22/26). Key milestones include the Final NEPA FEA & Decision (9/26/25), Draft SEPA EIS Agency & Public Review, Final SEPA EIS & SEPA Decision (Q4 2026), and Commission Action Required for NTP(s) approval in 2027. -
2026-05-04
Acoustical Testing Results for SIRRPP — May 2026
Harris Miller Miller & Hanson Inc. (HMMH) conducted sound insulation testing at 30 homes near Seattle-Tacoma International Airport (SEA) in March 2026 to measure how much aircraft noise penetrates indoors. The study found that none of the 30 homes exceeded the FAA's 45-decibel interior noise threshold required to qualify for sound insulation treatments under current federal policy. However, nine homes had at least one individual room where interior noise levels surpassed 45 decibels, suggesting those specific rooms could benefit from upgraded windows or doors. -
2026-05-04
Acoustical Testing Results for SEA Repair and Replacement Program
Technical memorandum from Harris Miller Miller & Hanson (HMMH) to Julie Kinzie, Sr. Environmental Program Manager Sound Insulation, reporting acoustical testing results for the Seattle-Tacoma International Airport (SEA) Repair and Replacement Program, March 2026. HMMH measured median interior Day-Night Average Sound Level (DNL) for 30 residential structures in Des Moines, Burien, and Seattle using HBK