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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
 

Planned Runway Closures

DFW Airport has planned weekend and/or more extended closures in 2017 in order to fulfill necessary maintenance and inspections related to airfield lighting, equipment, markings, signage, and pavement work.  Weekend runway closures are typically scheduled from Friday at 10:00 pm through Sunday at 4:00 pm, subject to favorable weather conditions.  A Go/No-Go decision is made prior to each affected closure as to determine if the conditions are favorable for the planned closure.  If runways cannot close on a weekend as scheduled due to weather or other factors, additional weekend closures may be required.  The schedule for any upcoming runway closures or changes in typical operation is noted below.  We will update this site as more information becomes available

Runway 18R/36L, DFW's primary arrival runway, will be closed from Friday, June 9th at 11pm to Monday, June 12th at 4pm, weather permitting, to accommodate the FAA's ongoing installation work.

Immediately following will be the scheduled partial south closure of Runway 18L/36R from Monday, June 12th through Sunday, June 25th for FAA's ongoing installation Runway Status Lights (RWSL).

What to Expect

The weather forecast for the weekend closure are expected to be south at 10 to 15 mph with gusts as high as 20 mph.  The weather forecast is not known for the entire partial closure period.  In general, because aircraft take off and land into the wind, when winds are southerly aircraft take off to the south and land from north to south.  When winds are northerly, aircraft take off to the north (or northwest in the case of the use of Runway 31L) and land from south to north.  Keep in mind that surface wind don't always dictate flow as winds above the surface and/or operational needs can affect the direction for which aircraft take off and land.

The shifts in aircraft operations to other runways during the closure may affect the cities of Coppell, Irving, Grapevine, Flower Mound, Lewisville, Euless, Southlake, and Arlington, which could experience some additional aircraft traffic, including:
  • Increased arrivals to Runway 17L and 13R during south winds;
  • Jet departures on Runway 31L during north winds;
  • Increased arrivals on Runway 31R and 35R during north winds;
  • Outboard runways will be needed later at night or early in the morning;
  • During the partial south closures of Runway 18L/36R, the runway will be available for day time only limited takeoffs and landings, as determined by the wind flow.
Remaining Weekend Closures for the RWSL installation are June 9-12; June 17-18; and June 24-25 [Closures of Runway 18L/36R]
Runway 18L/36R is the primary departure runway on the west side.  During its closure:
  • North Flow:  When the winds are out of the north or are light/variable:
    • Runway 36L will be used for arrivals
    • Runway 31L will be the primary departure runway on the west side.
    • Arrivals also shift to Runway 35R and 31R on DFW's east side.
  • South Flow:  When the winds are out of the south:
    • Departures will shift to Runway 18R
    • Arrivals will shift to Runways 13R on DFW's west side and 17L on DFW's east side.
  • The use of the outboard runways (diagonal runways and Runway 17L/35R) may be extended at night to 11pm.
Keep in mind that surface winds don't always dictate flow as winds above the surface and/or operational needs can affect the direction for which aircraft take off and land.
The graphics below depict these closures and their effects on runway utilization:

 

 

 


March 25-26; April 1-3; April 14-16; April 21-24; May 3-7; May 11-12; June 9-12; June 17-18; and June 24-25 [Full Closures of Runway 18L/36R]

  • Runway 18L/36R is the primary departure runway on the west side.  During its closure:
    • If the winds are out of the south, departures will shift to Runway 18R and arrivals will shift to Runway 17L and 13R.
    • If the winds are out of the north, Runway 36L will be the used for arrivals and Runway 31L will be the primary departure runway on the west side.
    • The use of the outboard runways (diagonal runways and Runway 17L/35R) may be extended at night to 11pm.
 
 
June 12 - June 25 [Partial South Closure of Runway 18L/36R]
  • During the partial south closures of Runway 18L/36R, the runway will be available for day time only limited takeoffs and landings, as determined by the wind flow.  
  • The runway will be closed after sunset and before sunrise as well as during any poor weather or low clouds (due to limited visibility of construction zone). 
  • If the winds are out of the north, jet aircraft may need to depart Runway 31L.
  • The use of the outboard runways (diagonal runways and Runway 17L/35R) may be extended at night to 11pm.
 
   

Runway Status Lights:

Runway Status Lights (RWSL) is a fully automatic, advisory safety system designed to reduce the number and severity of runway incursions and prevent runway accidents while not interfering with airport operations.  It is an in-pavement lighting system that works similar to a traffic light which provides a visual signal to pilots and vehicle operators of when it is unsafe to enter/cross or begin takeoff on runway. The system aims to improve air crew and vehicle operator situational awareness through accurate and timely indication of runway usage.  For further information, please see the link to the FAA’s website: https://www.faa.gov/air_traffic/technology/rwsl/

 

       


 

 

Runway closure photo

High Velocity Winds

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Aircraft normally will take off and land into the wind. In the Metroplex, the winds are from the south about 70% of the time (South Flow) and are from the north about 30% of the time (North Flow). DFW typically uses its north/south runways for most arrivals and departures. Aircraft also arrive on the diagonal runways, that is, from the northwest on Runway 13R/31L in South Flow, and from the southeast on Runway 13L/31R in North Flow. On occasion, DFW will experience high velocity cross winds from the west or northwest. This condition is referred to as West or Northwest Flow. Strong west cross winds limit the use of DFW's north/south oriented runways. During West Flow,the FAA necessarily uses the diagonal runways for arrivals and departures in order to align the aircraft to the extent possible with the prevailing, high velocity winds. This situation occurs rarely but when it does, you may notice jet aircraft departing to the northwest from both diagonal runways. DFW and the FAA collaborate proactively on the possible use of the diagonals during the strong cross wind and use the diagonals when winds and safety warrant.

  • None known at this time
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