Abstract
The Port of Portland's cooperative approach to airport noise compatibility planning has produced a plan that seeks to balance the concerns of the community with the needs of the airport and its users. This plan has reduced the number of residents within the Ldn 55 contour by 85%, without employing costly operating restrictions. The success achieved is directly attributable to the cooperative process that involves the utilization of an advisory committee to help identify and resolve airport noise issues. This committee, consisting of all parties having an interest in the airport noise issue, has worked together since 1982 in structuring and implementing the noise abatement plan. This plan is made up of three interrelated programs: an operational program, a land use program, and a review and monitoring program. The operational program includes specific flight track assignments, while the land use program requires sound insulation of some residential dwellings, and adoption of city and county noise overlay zones. The review and monitoring program is the part of the plan that insures the ongoing cooperative process, and maintains compatibility with the community.
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