Aircraft in-flight and takeoff noise is federally preempted, so Colorado Springs does not set decibel limits on aircraft. Instead, City Code section 7.2.601 establishes an Airport Overlay (AP-O) zone around Colorado Springs Airport (COS) that requires a 30 dBA noise level reduction for new residential development in high-noise areas and recorded avigation easements waiving noise claims. Colorado Revised Statutes Title 41 (Aeronautics) governs state-level airport authority.
Direct regulation of aircraft noise is preempted by federal law (City of Burbank v. Lockheed Air Terminal Inc., 411 U.S. 624 (1973)), and Colorado courts have reaffirmed that federal law bars state courts from ordering airport operators to restrict aircraft operations for noise abatement (Town of Superior v. Bd. of County Comm'rs, 2026 COA 14). Colorado Revised Statutes Title 41 (Aeronautics: Aircraft and Airports) governs airport ownership and operation at the state level, and CRS 41-1-107 vests ownership of space above lands in surface owners subject to the right of flight. Because it cannot cap aircraft decibels, Colorado Springs addresses airport noise through land-use compatibility. City Code section 7.2.601 creates the AP-O Airport Overlay zone tied to Colorado Springs Airport's noise contours; for proposed development within an existing residential zone in the higher-noise subzone, a noise level reduction of thirty (30) dBA must be achieved with a noise reduction certificate, and as a condition of approval the applicant must grant and record an avigation easement for the benefit of the Colorado Springs Airport, waiving claims arising from aircraft noise, vibration, fumes, and dust. The Colorado Springs Airport also operates a voluntary FAA-framework noise abatement and complaint program. No Colorado Springs ordinance sets an enforceable decibel limit on aircraft themselves; the airport-proprietor and FAA framework applies.
There is no city decibel penalty for aircraft noise (federally preempted). Land-use violations of the AP-O overlay (failure to achieve the required noise level reduction or to record an avigation easement) are enforced through the development-review and zoning process under City Code Title 7. Aircraft operating complaints are handled through the Colorado Springs Airport noise program and the FAA.
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