Review on civil aviation safety investment research

Maintaining and improving safety has always been the most important thing for civil aviation. Safety investment is an important material guarantee and basis for civil aviation safety. Insufficient investment in safety and irrational structure of safety investment are the causes of accidents in civil aviation. A review of recent research articles related to safety investment was presented and the research status, achievements, existing problems and development prospects were introduced. The construction method of safety investment index system, the cost-benefit analysis of safety investment, and the safety investment decision-making methods were summarized. A framework was proposed to establish a safety investment index system, conduct of cost-benefit analysis, and to assist in the quantitative decision-making of civil aviation safety investment.