At the March 3 General Meeting of the ONCC, the members approved Resolution 2023-1, adopting the TAP EA Noise Contour for use in future residential sound insulation programs. The TAP EA Noise Contour resulted from the Environmental Analysis conducted by the FAA on the O'Hare Terminal Area Plan. 

TAP EA Noise Contour

Historic Noise Contours

O'Hare Terminal Area Plan Noise Contour - Presentation (Feb. 2023)