CHARLOTTE, N.C. — Charlotte Douglas International Airport is updating its noise maps.
The new maps might result in some homeowners being given more insulation and some having their homes purchased by the airport, The Charlotte Observer (http://bit.ly/1yAPm2W) reported.
"We don't know what that will look like until we run the program," said deputy interim Aviation Director Jack Christine. "This map will tell us what areas are eligible for noise mitigation."
The maps help officials determine which properties are eligible for purchase by the airport and which are eligible for extra insulation, storm doors and storm windows, based on average noise amounts.
The airport hopes to finish the evaluation in about a year.
Charlotte Douglas is the sixth busiest airport in the country, with more than 700 flights daily.
The biggest problem occurs north and south of the airport's three parallel runways and at the ends of its one diagonal runway.
The airport has purchased about 400 properties in the paths of planes. One neighborhood is now an airport employee parking lot and will eventually house rental car maintenance.
The airport has paid to insulate about 1,000 homes, six churches and three schools against airplane noise.
Information from: The Charlotte Observer, http://www.charlotteobserver.com