Noise Abatement Strategiesrecommended to the Study Group

• Common elements

  • minimize contraflow exceptions
  • noise-optimal prescribed tracks (STARs, SIDs) with minimal exceptions
  • RNP or hardware specs to minimize deviation
  • operational measures (potential excursions)
  • facilities, use restrictions, regulations, management measures
  • document knowledge of ëemergingí measures

• Principal alternatives

  • Limit east runway preference to daytime only; southbound divergence according to destination
  • Eliminate runway preference; all southbound diverge on 17R
  • Reverse runway preference; no divergence on 17R, except simultaneous operations

• Key conditions:

  • Ft Knox issue resolved favorably
  • Results for each major lobe of noise contours

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