Aircraft Noise: Gaithersburg vs Rockville
How do aircraft noise rules compare between Gaithersburg, MD and Rockville, MD?
Gaithersburg and Rockville have similar restriction levels.
Gaithersburg, MD
Montgomery County
Gaithersburg does not regulate aircraft noise at the municipal level as aviation is governed by the FAA. However, proximity to Montgomery County Airpark and the Dulles/BWI flight paths creates community noise exposure. Maryland Aviation Administration and FAA handle aircraft noise complaints.
View full Gaithersburg rules →Rockville, MD
Montgomery County
Rockville sits between Reagan National and BWI but is outside both noise zones. Aircraft noise is federally regulated. The Maryland Environmental Noise Act of 1974 governs airport zones.
View full Rockville rules →Key Facts Comparison
| Fact | Gaithersburg | Rockville |
|---|---|---|
| Nearby Airport | Montgomery County Airpark (GAI) | - |
| Jurisdiction | FAA federal authority | - |
| State Agency | Maryland Aviation Administration | - |
| Abatement | Voluntary FAA procedures | - |
| Nearby Airports | - | DCA and BWI |
| Noise Zone | - | Not in 65 DNL contour |
| Authority | - | FAA and MDOT MAA |
| DCA Night Rule | - | 10 PM-7 AM limits |
Highlighted rows indicate differences between cities.
Gaithersburg FAQ
Can Gaithersburg regulate airplane noise?
No. Aircraft noise is exclusively under FAA federal jurisdiction. The city and county cannot impose noise restrictions on aircraft operations.
Where do I file an aircraft noise complaint near Gaithersburg?
File complaints with the FAA noise portal or contact the Maryland Aviation Administration. For Montgomery County Airpark specifically, the county Noise Advisory Committee also accepts input.
Rockville FAQ
Is Rockville in an airport noise zone?
No. Rockville is not within the FAA-designated 65 DNL noise contour for either Reagan National or BWI Marshall Airport. Overflights occur but at altitudes that do not trigger noise zone designation.
Where do I file an aircraft noise complaint?
For BWI-related flights, file through the MDOT MAA online complaint form. For Reagan National flights, contact the Metropolitan Washington Airports Authority noise office.
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