Illinois Statutes Chapter 620. Air Transportation § 52/5. Definitions

(a) “Air Installation Compatible Use Zone Study” means the study conducted by the United States Air Force that reaffirms the policy of promoting public health, safety, and general welfare in the areas surrounding Air Force bases.

(b) “Clear zones and runway protection zones” mean the zones that have the highest potential for an aircraft accident among the safety zones designated by the United States Air Force around an Air Force base.

(c) “Accident potential zones I” mean the zones that, other than clear zones and runway protection zones, have the highest potential for an aircraft accident among the safety zones designated by the United States Air Force around an Air Force base.

(d) “Accident potential zones II” mean the zones that, other than clear zones and runway protection zones and accident potential zones I, have the highest potential for an aircraft accident among the safety zones established by the United States Air Force around an Air Force base.

(e) “Sixty-five decibel A-weighted noise contour” means the noise level that has been determined by the United States Air Force to result from aircraft operations and flight tracks around an Air Force base.