Additionally, stored information is used to confirm departure curfew violations and to respond to aircraft noise complaints from community members. The system also helps staff monitor noise levels and aircraft flight tracks.


The data is evaluated and compiled to meet State requirements, and periodic reports are submitted to the County of San Diego and the State of California, Division of Aeronautics. These sites, which are acoustic microphones mounted on tall poles, measure noise and transmit the data, twenty-four hours a day, to a computerized noise monitoring and flight tracking system located at the Airport. There are currently 23 noise monitoring terminals (NMTs) surrounding San Diego International Airport (SAN) in communities ranging from Golden Hill, Uptown, Loma Portal, Point Loma, Ocean Beach, and Mission Beach.