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Aircraft Noise

 

Aircraft Noise

The DFW Noise Compatibility Office is the primary liaison between neighboring communities, residents, municipalities, airlines, FAA, universities, NASA and Board staff to demonstrate noise and land use compliance deliverables, meet, educate, research, assist and advise on aircraft noise, flight patterns, airspace and related actions.

For Noise Complaints: Call (972) 973-3192 or
Email our Noise Compatability Office
Sustainability/Environmental Aircraft Noise Fire Training Research Center Founder’s Plaza Fun Facts

Land Use Compatibility

DFW and 10 surrounding cities entered into agreements between 1974 and 2004 to zone compatibly, that is, the cities agreed to limit development adjacent to the Airport to such activities as commercial, industrial, and retail, and to minimize incompatible land development, such as residential, schools, and child care centers, adjacent to the Airport thru their zoning regulations. If a city finds that it is in its best interest to approve a proposed incompatible land use within the Airport’s noise overlay it typically requires the developer to architecturally mitigate (sound proof the facilities), to provide full disclosure to the first and all subsequent buyers thru the deed or plat, and to grant an avigation easement (like a city roadway easement, but for aircraft corridors). As a result of this cooperative, regional program, is that nearly all of the few noise complaints received by DFW come from outside the noise overlay.

DFW noise contours are used for land use policy by DFW Airport and local city leaders. The outer limits of DFW’s original noise overlay encompass approximately 50,000 acres, providing an immense area of mostly compatible land use.



DFW’s Monitoring

On Noise: DFW monitors sound from aircraft operations and from local community activities via a series of permanently-mounted noise monitor sites strategically located in nine cities, and three counties. The measured noise data is correlated with FAA radar data to determine the source attributable to aircraft operations (arrivals and departures). The correlated noise data confirms compliance with federal stipulations from the 1992 Final Environmental Impact Statement (FEIS) and provides local communities and builders with baseline aircraft and community sound exposure levels for building design and planning.

On Flight Tracks: DFW’s Noise Compatibility Office is responsible for monitoring aircraft flight tracks, via FAA radar data feed. The flight tracks are retained by DFW’s tracking system and can be superimposed on a street base map to evaluate flights in the DFW Metroplex. DFW’s flight tracking system stores information on individual flights such as Flight ID, aircraft type and operation, as well as, aggregate information regarding volume and frequent of flights, average altitude, etc over any geographic point in Metroplex. For example, DFW’s flight tracking system can help a potential home buyer understand the type of operations that could occur over a home of interest prior to their decision to purchase.


FAA Initiatives

FAA NEXTGEN: The movement to the next generation of aviation is being enabled by a shift to smarter, satellite-based, digital technologies and new procedures. Combined, these elements make air travel safer, more convenient, predictable and environmentally friendly. As the nation’s largest airports continue to experience congestion, NextGen efficiency improvements are enabling FAA to guide and track aircraft more precisely on more direct routes, reducing congestion, delays, fuel burn emissions and noise. NextGen is also vital to preserving aviation’s significant contributions to our national economy. For more information on FAA’s NextGen Initiative and how it relates to DFW: http://www.faa.gov/nextgen/ FAA NextGen
North Texas OAPM EA
FAA Noise Quest
FAA Aircraft Issues

FAA Optimization of Airspace & Procedures in the North Texas Metroplex (OAPM): One of the first phases of NextGen implementation is an initiative called the Optimization of the Airspace and Procedures in the Metroplex (OAPM). Also referred to as “Metroplex,” a Metroplex is a geographic area that includes several commercial and general aviation airports in close proximity serving a major metropolitan area and a diversity of aviation stakeholders. By optimizing airspace and procedures in the metroplex, the FAA provides solutions on a regional scale, rather than focusing on a single airport and set of procedures. Redesigning the congested airspace above major centers of operations such as metroplexes creates a more integrated, efficient and predictable system. The North Texas Metroplex Plan is one of several being implemented across the US. The North Texas Metroplex was implemented in September 2014.

DFW RNAV DEPARTURE PROCEDURES: FAA, airlines and the Airport worked together to implement Area Navigation (RNAV) departure procedures in September 2005. RNAV is an FAA NextGen initiative that transitions navigation from ground-based navigational aids to satellite based aids. The results include consolidated flight tracks, reduced noise over surrounding communities, and reduced air emissions by shortening the amount of time an aircraft is inside Metroplex airspace.


Reduction of Noise at the Source

All of DFW’s aircraft fleet meets the FAA’s quiet noise requirements (Stage III & IV). American Airlines is phasing out its principle type of aircraft, the MD80 series, to the quieter Boeing 737s. American expects to have replaced all their MD80s by the end of 2017. Tremendous strides in reducing noise at the source have occurred over the past three decades. Technologies to reduce aircraft noise have evolved over time through efforts of NASA, FAA, and aircraft and engine manufacturers. NASA continually researches and sponsors development of concepts and technologies for enabling dramatic improvements in the noise, emissions, and performance characteristics of subsonic commercial aircraft. NASA


Noise & Airspace Education Outreach

DFW’s Noise Compatibility Center, with its impressive noise and flight monitoring display capability, provides a venue for community forums to discuss airport-related topics. The large displays enable a clear view of the Metroplex and the complex strata of aviation activity above it. If you would like to visit the DFW Noise Center, please contact Sandy Lancaster at (972) 973-5573.
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