Research on ETOPS Low Fuel Warning Design for Civil Aircraft Based on Operation Scenario Analysis

This paper focuses on the design of low fuel warning for civil aircraft ETOPS, studying the K25.1.4 (a) (3) low fuel warning clause and advisory circular. ETOPS route planning methods and ETOPS reserve fuel strategy are given. This paper also presents an ETOPS low-fuel warning design scheme based on scenario analysis. Based on the operation scenario analysis, a general scheme and recommendations for ETOPS low fuel warning were summarized. The design method and solutions provided in this paper have practical application value in engineering practice, providing reference and inspiration for the ETOPS-type design and airworthiness certification of civil aircraft.