The celebration was held in a hangar at O’Hare with ONCC members, Chicago Department of Aviation staff and elected officials Chicago, IL, 2022-Nov-01 — /Travel PR News/ — The O’Hare Noise Compatibility Commission (ONCC) and the Chicago Department of Aviation (CDA) hosted a celebration today (10/26/2022) marking the 25th anniversary of the commission, an international… Read the full press release