The study is scheduled for completion by the end of 2013 and submitted to the FAA for review. The Port of Seattle began early coordination of the Part 150 study in November 2009, and the consultant team began work in January 2010. How long will the Part 150 Study take to complete?
2013 dnl contour meaning update#
As part of the Record of Decision for the third runway EIS, the Port of Seattle committed to doing a Part 150 update approximately one year after the runway was operational.Īn airport with an FAA-approved NCP also becomes eligible for funding assistance for the implementation of approved measures.Īmong the general goals and objectives addressed by a Part 150 Study are the following: The decision to undertake noise compatibility planning is normally voluntary on the part of the airport operator. By following the process, the airport operator is assured of the FAA's cooperation through the involvement of air traffic control professionals in the study and the FAA's review of the recommended Noise Compatibility Program (NCP). The purpose for conducting a Part 150 Study at an airport is to develop a balanced and cost-effective plan for reducing current noise impacts from an airport's operations, where practical, and to limit additional impacts in the future. For Part 150 Study purposes, noise sensitive land uses are generally defined as residences or public use facilities (libraries, churches, schools, nursing homes and hospitals) within the 65 Day-Night Average Sound Level (DNL) noise contour, the area the FAA defines as impacted by aircraft noise. The Part 150 Study process is designed to identify noise sensitive land uses surrounding an airport, and to recommend measures to both correct existing incompatibilities and to prevent future incompatibilities. FAA review and approval of the recommended NCP, including the analysis of alternatives, the compatibility plan, and the implementation and monitoring plan.Development of an implementation and monitoring plan and.Development of a Noise Compatibility Plan (NCP).Evaluation of alternative measures for abating noise that impact the 65 Day Night Level (DNL) noise contour (e.g., changing aircraft flight paths), mitigating the impact of noise (e.g., sound insulation), and managing local land uses (e.g., airport-compatible zoning).Definition of current and future noise exposure contours.Identification of airport noise and land use issues and incompatibilities.The Part 150 establishes guidelines for technical aspects of aircraft noise analysis and the public participation process for airports choosing to prepare airport noise compatibility plans. Part 150 is a section of the Federal Aviation Regulations (FAR) that sets forth rules and guidelines for airports desiring to undertake airport noise compatibility planning. What happened with the recommendations from the last Part 150 Study?.How can I get involved with the Part 150 Study as it progresses and where can I find information?.What results can the communities around Sea-Tac Airport expect from the new Part 150 process once it is complete?.Is Sea-Tac Airport getting quieter due to improved aircraft technology?.What set of circumstances makes noise reduction efforts for residents around Sea-Tac Airport a challenge?.
What noise mitigation efforts has the Port already undertaken?.Can the Port of Seattle use tax levy funds for noise mitigation projects?.
What type of noise mitigation projects can the Port of Seattle spend funds on?.Where does the Port of Seattle receive funding for noise mitigation projects?.Can Sea-Tac Airport restrict operations on its runways?.Under what set of circumstances are aircraft expected to use the third runway?.Since the third runway opened, have operations on the runway been more frequent than anticipated?.What is the purpose of noise monitoring?.How long will the Part 150 Study take to complete?.
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