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North Arrivals via KATRN and Initial Noise DataMWAA Noise WG Dec 6, 2018
South of DCA SC
True KATRN 2.2 NM further South
Arrivals RWY 01 - Altitude True KATRN
• Percent of planes between 0 and 2000 ft:
KATRN Waypoint NA 3% of Total tracks = 57221 in 2014KATRN Waypoint NA 4% of Total tracks = 59115 in 2015KATRN Waypoint NA 4% of Total tracks = 61490 in 2016KATRN Waypoint NA 4% of Total tracks = 53131 in 2017
• Percent of planes between 0 and 2500 ft:
KATRN Waypoint NA 50% of Total tracks = 57221in 2014KATRN Waypoint NA 56% of Total tracks = 59115 in 2015KATRN Waypoint NA 57% of Total tracks = 61490 in 2016 KATRN Waypoint NA 54% of Total tracks = 53131in 2017
Arrivals Runway 1 - Altitude True KATRN2.7 – 3.5K
• Percent of planes between 2700 and 3500 ft:
KATRN Waypoint NA 42% of Total tracks = 57221 in 2014KATRN Waypoint NA 36% of Total tracks = 59115 in 2015KATRN Waypoint NA 35% of Total tracks = 61490 in 2016KATRN Waypoint NA 38% of Total tracks = 53131 in 2017
Noise Data
• Noise data from 2015 forward from:
• http://public-reports-us-standard.s3-website-us-east-1.amazonaws.com/MWAA/ReportingPortal.html
• Identify noise events associated with aircraft and from community.
• Airline, flight number and other info.
• Brief description of the noise data at:
• http://www.flyreagan.com/dca/dca-reagan-national-noise-event-data
All Noise Sources
Aircraft Noise only−Community Noise
Removed
All Noise Sources
Aircraft Noise only−Community Noise
Removed
Comparison MF and FH for Select Times
Remarks
• North Arrival Altitude FAA – no procedure changes for north arrival required
Altitude varies at KATRN
Accokeek, Fort Washington and Mount Vernon Arrival Noise Impact
FAA Ask – What can be done to provide relief for these communities?
• Noise Data valuable footprint showing noise levels
• Insufficient # noise monitors and poor location in VA and MD Does not provide good picture of noise impact
Do not put monitors near schools
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