This 1974 noise study, prepared by MAN-Acoustics and Noise, Inc. for the Port of Seattle and King County, examines aircraft noise impacts on communities surrounding Seattle-Tacoma International Airport. It covers noise measurement methodologies, noise exposure calculations, effects of weather and aircraft location, maintenance runups, thrust reverser noise, and background noise levels. The report also evaluates potential noise control alternatives and flight operational changes aimed at reducing noise burdens on nearby residents.Open full document
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Final report on 1974 noise study for the Sea-Tac Communities Plan, prepared by MAN-Acoustics and Noise Inc. for the Port of Seattle and King County. Volume II covers various aspects including noise evaluation units, exposure levels, mitigation measures, and flight operational alternatives.