https://longmontcolorado.gov/airport/voluntary-noise-abatement-procedures/ultralightgyrocopter-vehicle-voluntary-noise-abatement-procedures-pilot-information/
Ultralight/Gyrocopter Vehicle Voluntary Noise Abatement Procedures, Pilot Information - City of...
May 19, 2025 - Airport noise abatement procedures.
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https://longmontcolorado.gov/airport/voluntary-noise-abatement-procedures/general-aviation-noise-abatement-procedures-pilot-information/
General Aviation Noise Abatement Procedures, Pilot Information - City of Longmont
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