Aircraft noise in Illinois is governed exclusively by federal aviation law, leaving cities and the state without authority to regulate flight operations or in-flight sound.
Under the Federal Aviation Act (49 U.S.C. 40103) and the Airline Deregulation Act, the FAA holds exclusive authority over navigable airspace, flight paths, altitudes, and aircraft noise emissions. The Illinois Aeronautics Act (620 ILCS 5) recognizes federal supremacy and the Illinois Pollution Control Board's noise rules at 35 Ill. Adm. Code 901 do not apply to aircraft in flight. Municipalities cannot impose decibel limits, curfews, or routing rules on aircraft. Limited authority remains with airport proprietors subject to FAA approval under the Airport Noise and Capacity Act (49 U.S.C. 47521).
Local ordinances attempting to regulate in-flight aircraft noise are unenforceable and may be enjoined in federal court. Residents must use FAA Part 150 studies or airport proprietor complaint channels.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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See how Machesney Park's aircraft noise rules stack up against other locations.
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