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3.1 Noise Reduction:The FAA has developed the Integrated Noise Model (INM) for evaluating aircraft noise impact in the vicinity of airports. The current INM series has been ordered and shipped to over 650 organizations worldwide, making it the most popular model of its kind. The distribution package for the model includes the INM software (on 3.5-inch diskettes), a user's guide, and a technical manual.INM has many analytical uses, such as assessing changes in noise impact resulting from new runway configurations, new traffic demand levels, revised airspace structure or modifications to operational procedures. The INM has been the FAA's standard tool since 1978 for determining the predicted noise impact in the vicinity of airports. Statutory requirements for INM use are defined in FAA Order 1050.D, Policies and Procedures for Considering Environmental Impacts; Order 5050.4A, Airport Environmental Handbook; and Federal Aviation Regulations (FAR) Part 150, Airport Noise Compatibility Planning.
Benefits of NASA Technology demonstrated by INM The INM model produces noise exposure contours that are used for land use compatibility maps, and it includes built-in tools for comparing contours and utilities that facilitate easy export to commercial Geographic Information Systems. INM also calculates predicted noise at specific locations such as hospitals, schools, or other sensitive areas. The model supports 13 predefined noise metrics, and the user may also create special metric types.
FAA POC:
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NASA Headquarters Responsible Official: Code R
Curator: SAIC Information Services http://www.aerospace.nasa.gov |
