United States Department of Transportation
i
The Development of Wake Turbulence Recategorization in the United States
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2016-06-13
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[PDF-363.70 KB]
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Alternative Title:8th AIAA Atmospheric and Space Environments Conference
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Abstract:This paper describes the background information and provides a status update on a
specific aspect of the Federal Aviation Administration (FAA) wake turbulence program
known as RECAT (i.e., Recategorization). The fundamental premise of RECAT is that,
instead of using the existing FAA Order JO 7110.65 categorical wake turbulence separation
minima based on maximum takeoff weight, wake separation can be refined using a more
complete set of wake related parameters. This process then leads to a safe reduction of wake
turbulence separation minima over those specified in FAA Order JO 7110.65. This paper
describes the overall three-phased approach of RECAT, with the ultimate goal of achieving
dynamic pairwise separation. Currently, Phase II, or a static pairwise based wake
turbulence separation is ready for implementation by the Federal Aviation Administration.
The paper describes the analysis approach, including the data sources and severity metrics
used in the development of RECAT Phase II.
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