The Federal Aviation Administration (FAA) is implementing an ambitious program to modernize the US air traffic control system. NextGen technology - specifically Performance Based Navigation (PBN) - provides opportunities to address aircraft noise in a more precise and targeted way than ever before. This paper presents an overview of the process currently being used to develop and model the noise impacts of PBN. A critical success factor is the use of a collaborative team that includes procedure developers, air traffic control subject matter experts, airline representatives, performance specialists, and noise analysts, to analyze potential noise impacts of proposed procedural changes. Noise analyses are prepared using FAA tools. Communication of results is complex, and best accomplished through graphical displays. PBN and NextGen technologies provide a unique opportunity to improve the noise environment around airports. However, procedures need to be carefully designed and evaluated by a collaborative multidisciplinary team in order to achieve maximum benefit.
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