CS-E is the airworthiness standard of aircraft engine in Europe and it is under constant changing to adapt to new safety demands of airworthiness certification. In this paper, starting from the three level division of aero-engine airworthiness system of European Aviation Safety Agency (EASA), the status and responsibility of CS-E are firstly expounded, and then the logical structure and historical amendments of CS-E are analyzed. In the analysis, the revised regulations in each amendment are particularly focused on and the revised reason of regulation can be generalized into five aspects: development of technology, hazardous accident, overly strict rules or vice versa, unclear definition or explanation, and international uniformity. Thus, this survey provides reference to the development and improvement of airworthiness system in China.

EASA  /  CS-E  /  airworthiness system