This October 2025 report from the DCA South of Airport Aircraft Noise and Mitigation Study examines how post-Metroplex airspace changes increased aircraft overflights and noise exposure for residents south of Ronald Reagan Washington National Airport, including communities in Alexandria, Fairfax, and Prince George's Counties. The study, conducted by aviation consultancy Vianair, presents recommendations and noise analysis aimed at reducing the impact of arrival and departure flight paths on affected residential populations. Note: This document pertains to DCA (Washington, D.C.), not Sea-Tac Airport.Open full document
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Vianair presentation dated October 23, 2025, delivering recommendations and noise analysis for the DCA (Reagan National Airport) South of Airport Aircraft Noise and Mitigation Study. Addresses post-Metroplex changes to flight procedures (arrivals and departures) that increased overflights of residential populations south of DCA, including the City of Alexandria, Fairfax County, and Prince George’s County. Compares pre-Metroplex (2011) and post-Metroplex (2016) flight path data and proposes mitigation measures to reduce aircraft noise exposure and overflight frequency for affected communities.