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Frederick County, VA Noise Ordinances: Aircraft Noise (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Noise mapping threshold
65 LDN and above
Plan supplied by
Winchester Regional Airport Authority
Reviewed by
Department of Planning and Development
Governing section
§ 165-502.05, Airport Overlay District (AP1)
Variance requires
Virginia Department of Aviation input first

Summary

In Frederick County outside Winchester, Stephens City and Middletown, the Airport Overlay District requires the Winchester Regional Airport Authority to hand the County a noise abatement plan mapped by day-night average sound level, or LDN. Any land inside a 65 LDN zone or higher is flagged, and the Department of Planning and Development must review every development request that falls inside those zones for noise impact before it moves forward.

These county ordinances apply to unincorporated areas of Frederick County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

§ 165-502.05. Noise. A. Noise abatement. The Executive Director of the Winchester Regional Airport Authority shall provide the County with a noise abatement plan that will be shown on a day-night average sound level (LDN) map. This map will provide the County with all land that is encompassed within zones of 65 LDN and above. (1) It shall be the responsibility of the Department of Planning and Development to keep and maintain these LDN maps, as well as review all requests for development that fall within the LDN zones to determine the noise impacts on said development.

Full Breakdown

05 sits inside Part 502, the AP1 Airport Overlay District, which protects operations around the Winchester Regional Airport under the county's zoning ordinance (Chapter 165). The Executive Director of the Winchester Regional Airport Authority is responsible for producing a noise abatement plan and an LDN map showing every parcel that falls within a 65 day-night average sound level contour or higher. Once that map exists, the Department of Planning and Development keeps it on file and must review every application for development that lands inside an LDN zone specifically to gauge the noise impact on the proposed use.

04 bars any use that would create electrical interference with navigation signals, confuse pilots with glare or stray lighting, or draw birds into flight paths. A permit inside the Airport District can be conditioned on installing and maintaining, at the property owner's expense, whatever markings and lights the FAA, the Virginia Department of Aviation, or the Zoning Administrator deem necessary. An owner who wants relief from any Airport District standard, including the noise-zone review, must apply for a variance through the Board of Zoning Appeals, and that application has to include a determination from the Virginia Department of Aviation on how the proposal affects air navigation before the BZA will hear it.

Violations & Fines

There is no separate fine schedule written into § 165-502.05 itself; noise-zone review is folded into the development and permit process. A project that skips the required LDN review, or that is built without the markings and lighting a permit condition demands under § 165-502.04C, is treated as a zoning violation enforceable by the Zoning Administrator like any other Airport District infraction, up to and including permit denial or revocation.

Frequently Asked Questions

Does Frederick County limit noise from aircraft directly?
Not with a decibel cap on pilots or airport operations. Instead, § 165-502.05 requires the Winchester Regional Airport Authority to map land inside a 65 LDN noise zone and requires the Department of Planning and Development to review any development proposed inside that zone for noise impact before approving it.
What is an LDN map?
LDN stands for day-night average sound level, the standard measure aviation planners use to show cumulative aircraft noise exposure around an airport. The Executive Director of the Winchester Regional Airport Authority supplies this map to the County, and the Department of Planning and Development keeps and updates it to flag parcels at 65 LDN or above.
Who enforces the Airport Overlay District rules?
The Zoning Administrator administers the AP1 Airport District under Chapter 165, reviewing permits for height, use and noise-zone compliance. Appeals or variance requests go to the Board of Zoning Appeals, but only after the Virginia Department of Aviation weighs in on how the request affects air navigation.

Sources & Official References

Other rules in Frederick County

All Frederick County rules

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