Ashburn sits directly in Dulles International Airport flight paths, making aircraft noise a major community concern. The FAA controls all flight paths — Loudoun County has no direct authority. The county established the Airport Impact Overlay District in its zoning ordinance. The Board of Supervisors has lobbied the FAA to alter departure procedures west of Dulles. Noise complaints go through the Metropolitan Washington Airports Authority (MWAA) system.
Dulles International Airport (IAD) sits at the southern edge of Ashburn, and aircraft noise from departing and arriving flights is one of the most significant quality-of-life issues for Ashburn residents. All flight paths, altitudes, and procedures are controlled exclusively by the FAA through the National Airspace System — neither Loudoun County nor the Metropolitan Washington Airports Authority (MWAA) has authority to alter them. The Loudoun County Board of Supervisors has formally engaged the FAA regarding noise from flights departing Runway 19L/R westward over residential communities, including authorizing formation of a community work group. The county's zoning ordinance includes an Airport Impact Overlay District that restricts noise-sensitive land uses near the airport and requires noise disclosures for property transactions within the overlay area. MWAA operates 34 permanent noise monitoring stations around Dulles and maintains a 24/7 noise complaint system via mobile app, web form, and WebTrak flight tracking. The Dulles noise contour maps were last updated under FAA Part 150 study requirements. Real estate disclosures in the overlay district must note proximity to the airport. Despite community pressure, significant flight path changes require FAA environmental review and may take years.
No local enforcement mechanism — aircraft noise is federally preempted. Complaints processed through MWAA noise complaint system. FAA may study operational changes but is not subject to local noise ordinances. Zoning overlay violations enforced through county zoning administration.
Loudoun County, VA
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Loudoun County, VA
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Loudoun County, VA
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Loudoun County, VA
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Loudoun County, VA
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Loudoun County, VA
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See how Loudoun County's aircraft noise rules stack up against other locations.
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