HMMH provided the Metropolitan Nashville Airport Authority (MNAA) with a diverse range of noise-related assistance at Nashville International Airport (BNA) relating to the design and implementation of Performance Based Navigation (PBN) procedures at BNA.
HMMH’s primary role was to evaluate the procedures to ensure that they complement BNA’s extremely successful mitigation measures, which have essentially eliminated any non-compatible land uses within DNL 65, and its noise abatement measures, which have led to a near cessation of noise complaints in all areas inside and outside DNL 65. HMMH worked with MNAA and FAA to redesign and optimize the procedures and to provide guidance with regard to the existing noise mitigation measures. These final procedures were then incorporated into the future Noise Exposure Map (NEM) contours for Nashville as part of their Part 150 NEM Update.