Civil aircraft negative acceleration airworthiness regulation differences analysis and certification

This article starts by analyzing the negative acceleration clause in the civil airworthiness regulations of the United States, Europe, and China, and it also conducts comparative analysis and research on airworthiness verification methods and flight test indicators for civil aircraft with negative acceleration scenarios. Moreover, suggestions are given for airworthiness verification objects and methods. This article has a reference value for the analysis of negative acceleration scenarios in civil aircraft design and guides the design of negative acceleration airworthiness verification flight subjects.