This document is the FAR Part 150 Noise Compatibility Program Study Update for Seattle-Tacoma International Airport (Sea-Tac), approved by the FAA in June 2002. It outlines a series of measures aimed at reducing aircraft noise, including establishing a public oversight committee, exploring noise barriers and ground run-up enclosures, and encouraging the voluntary phase-out of older, louder Stage 2 jet aircraft. The FAA approved some measures outright, while others—such as revised maintenance run-up regulations and the voluntary aircraft phase-out—were disapproved pending submission of additional supporting information.Open full document
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This document is the FAA’s Record of Approval for the Federal Aviation Regulation Part 150 Noise Compatibility Program for Seattle-Tacoma International Airport. It summarizes the Noise Compatibility Plan (NCP) program elements and provides FAA determinations—approvals, partial approvals, and disapprovals—for measures addressing aircraft noise abatement, run-up regulations, noise barriers, and voluntary phase-out of Stage 2 jet aircraft. The document accompanies a July 2002 FAR Part 150 Study Update prepared by the Barnard Dunkelberg & Company Team.