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Memo: Ryk Dunkelberg to Richard Kennedy on Part 150 CAC Meeting Schedule and Part 161 FAQs

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Port of Seattle
Noise Mitigation
Part 150
2002

A 1998 internal memo from Ryk Dunkelberg to Richard Kennedy outlines the schedule of eight public CAC/TAC meetings planned through 1999 for the Part 150 Noise Study Update at Sea-Tac Airport, along with broader public engagement activities such as workshops, newsletters, and a project website. The memo also explains the Port of Seattle's cautious policy toward FAR Part 161 aircraft noise regulations, noting that no such studies have ever been successfully approved by the FAA and that pursuing one could jeopardize existing noise abatement programs. Additionally, it addresses the potential acquisition of residential properties in the Approach Transition Areas, stating that no decision has been made and that further study and federal funding would be required.

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Notes

Memo dated February 4, 1998 from Ryk Dunkelberg to Richard Kennedy summarizing responses to questions raised by the Part 150 Noise Study Update Citizen’s Advisory Committee (CAC). Details the schedule of eight CAC/TAC meetings from November 1997 through October/November 1999, covering noise monitoring site selection, noise contours, noise compatibility programs, and land use compatibility alternatives. Addresses FAR Part 161 analysis requirements for aircraft access restrictions including curfews, noise budgets, and maximum contour programs, and the Port Of Seattle’s three-part policy on Part 161. Also discusses potential property acquisition in the Approach Transition Area (ATA) at Sea-Tac Airport, including reference to the Master Plan Update environmental documents and FAA Record of Decision.

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