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| Planning for the future of KCIA
King County International Airport (KCIA) is conducting the Vision 2045 Airport Plan and the Part 150 Study, both aimed at shaping the future of the airport. Your voice is essential in the process, as feedback from community members, airport tenants, and interested parties will guide our priorities and help KCIA to evolve and adapt to meet forecasted demand in the region. These studies began in January 2024 and will be complete by the end of 2026.
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Sign up for project email updates and learn how to provide input throughout the Vision 2045 Airport Plan and Part 150 Study
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| What's new?
Since we last shared the preferred alternative for Vision 2045, the KCIA project team has continued to refine the plan based on the valuable input received from community members, airport tenants, and interested parties. The team has completed the environmental screening and financial feasibility analysis of the preferred alternative and will present the results at the eighth and final open house on December 15. This milestone comes before the Vision 2045 Airport Plan is submitted to King County Council and the Federal Aviation Administration (FAA) for review and approval. Optional open house registration is available on the study website.
The study team submitted the Part 150 Study Noise Compatibility Program (NCP) report to the FAA for review along with all comments received on the Draft NCP report and at the January 2026 public hearing.
We extend our sincere thanks to everyone who has contributed their time, insight, and thoughtful feedback over the past several years. Your participation has been essential in shaping the Vision 2045 Airport Plan and Part 150 Study and ensuring it reflects the needs and priorities of the community.
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| Vision 2045 Airport Plan and Part 150 Study overview
Vision 2045 and the Part 150 Study are separate but related efforts. The study team is sharing information about both to make it as easy as possible for community members, airport tenants, and interested parties to participate and share input.
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| Your input helps inform our planning process
KCIA is committed to involving the community, airport tenants, and other interested parties in the Vision 2045 Airport Plan and the Part 150 Study.
Open House updates
On December 15, the study team will host a Vision 2045 Airport Plan Open House. Drop in anytime between 5:30 and 7:30 p.m. at KCIA Flight Service Station (6526 Ellis Ave. S.) to:
- Review the environmental screening and financial feasibility analysis of the Vision 2045 preferred alternative
- Share your input with the study team
- Learn about next steps for finalizing the Vision 2045 Airport Plan
Optional open house registration is available on the study website.
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| Project Advisory Committee updates
The team has completed the environmental screening and financial feasibility analysis of the preferred alternative and will present the results at the twelfth and final PAC meeting on December 8, 2026.
We sincerely thank PAC members for their valuable input and ongoing participation throughout the Vision 2045 and Part 150 Study. PAC member input has helped to inform the project team and study recommendations. Read summaries from previous PAC meetings on the Project Advisory Committee tab at KCIAplanning.com.
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| Upcoming opportunities to get involved
KCIA is committed to involving the community, airport tenants, and other interested parties in the Vision 2045 Airport Plan and the Part 150 Study. Sign up to receive email updates and stay engaged with our team. Key dates include:
- December 15, 2026: Vision 2045 Airport Plan Open House 8
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