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Planning for Airport Noise The Roar of Discontent

Planning for Airport Noise The Roar of Discontent. Luke Jensen 16.781 Airport Systems November 12, 2013. Outline. Aircraft Noise Metrics Planning and Reporting Requirements Case Study 1: Logan Runway 14/32 Case Study 2: Greener Skies over Seattle. Noise Metrics.

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Planning for Airport Noise The Roar of Discontent

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  1. Planning for Airport NoiseThe Roar of Discontent Luke Jensen 16.781 Airport Systems November 12, 2013

  2. Outline • Aircraft Noise Metrics • Planning and Reporting Requirements • Case Study 1: Logan Runway 14/32 • Case Study 2: Greener Skies over Seattle

  3. Noise Metrics Noise is any unwanted sound • Perceived loudness is ultimate concern • “A-weighted” dB • Equivalent Noise Level • DNL, CNEL • Other metrics • Max Level • Time-Above Graphic: Harris, Miller, Miller, & Hansen

  4. Converting “Noise” to “Annoyance” • Complicated problem • Highly subjective • Compounding factors • Pitch • Loudness • Sharpness • Tonality • Duration • Time of day • Regression appropriate?

  5. Mandatory Reporting Requirements • National Environment Policy Act (NEPA, 1969) • FAA Airport Environment Program • Order 1050.1E • Environmental Impact Statement • Environmental Assessment • Mandatory for all expansion projects

  6. Optional Reporting • FAA Airport Environment Program • Part 150: Noise Compatibility Planning • Required for federal NCP funding • Optional, but lucrative • Part 161: Noise-related Access Restrictions

  7. Case Study #1: Logan Airport Runway 14/32 • Opened in 2006 • 34-year development timeline (mostly politics) • Clear-cut symbolism of new pavement Graphic: HNTB Graphic: Michael Philip Manheim/NARA Graphic: Boston Sunday Globe

  8. Historical Context All Images: Michael Philip Manheim/NARA

  9. Justification for Airside Improvement Plan

  10. Noise Analysis Process: • Detailed forecast • Integrated Noise Model study to obtain contours • Visualization + Census Synthesis

  11. Case Study #2: Greener Skies over Seattle • New “Required Navigation Performance” Approaches • Tailored flight paths • Reduce emissions, flight time • Concentrated flight paths • New frontier of NextGen • Public relations challenge: is this good or bad for communities? Graphic: FAA

  12. New Analysis Methods: CatEx?

  13. Conclusions • Movement toward multi-stakeholder collaborative decision making shows strong promise • Political factors most important factor of environmental review timeline • Noise metrics currently taken as “given”, should likely be revisited given modern noise research • NextGen implementation timeline constrained by environmental review process • Further investigation of Categorical Exception to FAA Order 1050.1E needed

  14. Thank You!Questions?

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