A Quantified Flight Risk Assessment Model Based on FDR

Through the analysis of FDRs data relative to the risk of controlled flight to terrain (CFIT), the framework of a quantified model to assessment CFIT risk based on FDR data is introduced. It is a computer model that uses the both exceeding data from the FDRs and knowledge based rules from safety experts to quantify the risk of an incident and/or accident by risk indicators. The mathematics definition of the risk indicator and its computing method are given.