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OCR for page 19
19 others, including airports, in benefit-cost analysis of pro- The software serves as a tool for risk assessment associated posed investments. The basis for estimating the direct costs with overrun and undershoot accidents and provides a basic is presented in Appendix L. yet useful format for risk analysis professionals to assist air- port operators in evaluating RSAs. Input data include the airport information, target level of Development of Prototype Software safety (TLS), RSA characteristics including dimensions and for Risk Analysis type of terrain, and multiple historical or planned operations As part of this research study, prototype software that in- that may challenge the RSA in the event of overrun or under- corporates and integrates the risk models was developed. shoot incident. Output includes frequency distribution of Users may input raw data and obtain normalized data, run a risks for each type of accident and the percentage of flights risk assessment analysis, and obtain denormalized results. subject to risk above a TLS.