TRB’s Airport Cooperative Research Program (ACRP) Report 51: Risk Assessment Method to Support Modification of Airfield Separation Standards is intended to be used to support requests for modification of standards in those circumstances where the design criteria for separations between taxiways/taxilanes and other taxiways/taxilanes and fixed or movable objects as well as separations between taxiways and runways cannot be met.
The following appendices, included in the pdf and print version of the report, will be helpful in understanding the methodology.
Other report appendices, which are available online only, provide detail and information on the development of the methodology.
In addition, the project developed a
PowerPoint presentationthat may be useful for introducing and explaining the methodology to stakeholders.
In July 2021, an errata was posted for this publication: In Table 7 on page 25, the LDVO coefficient was changed from -3.088 to -13.088. The online version of the report has been corrected.
National Academies of Sciences, Engineering, and Medicine. 2011. Risk Assessment Method to Support Modification of Airfield Separation Standards. Washington, DC: The National Academies Press. https://doi.org/10.17226/14501.
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