航空公司发动机的集中送修会增加财务压力,导致备发周转困难等一系列问题。在已知发动机单次送修成本、周期、在翼寿命、备用发动机数量等情况下,举例分析了发动机梯次管理的必要性,并介绍了梯次管理的考虑因素和实施方法。 Centralized repairs of airlines’ engines can increase financial pressure and lead to a series of problems such as preparing for a turnaround. Given the known cost of a single engine repair, cycle, wing life, the number of spare engines and other cases, the analysis of the necessity of the engine echelon management, and introduced the echelon management considerations and implementation methods.