Download or read book Risk Assessment Method to Support Modification of Airfield Separation Standards written by Jim W. Hall and published by Transportation Research Board. This book was released on 2011 with total page 131 pages. Available in PDF, EPUB and Kindle. Book excerpt: ACRP report 51 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.