Research and application of Preliminary System Safety Assessment on civil airborne systems

Safety design and assessment is important to the safety of the airborne systems and equipment. The Preliminary System Safety Assessment is a key process of the system safety assessment. This paper has mainly studied the objectives and principle, and the specific process of the preliminary system safety assessment, and finally showed how to implement the PSSA and its application. This paper has some significance to the safety design and assessment of the large airplane project.