Abstract:Requirement of performance calculation are provided for vertical section forecasting、vertical navigation parameter predicting and critical directing in flight management system,in order to manage and use flight performance data high efficiently, designing and creating airborne performance database are provided, furthermore,their data table structure and makeup are analysed,in addition,the course of building and loading airborne performance database document are analysed,and the value references are provided for design of flight management system and development engineering of airborne software.