需要特别说明的是,老龄航空器并没有一个统一明确的时间界定,也不是指航空器已经老化或者界定为老龄航空器就意味着不再适航了,仅意味着各民航当局开展对航空器结构的持续完整性评估和检查工作的计划,而且随着航空器初始审定标准的提高(如损伤容限原则的应用),不同机型进行此评估和检查的范围也不尽相同。另外,航空运营人还应当充分地认 What needs to be specially explained is that there is no uniform and definite time frame for the aging aircraft or that the aging of the aircraft or the definition of the aging aircraft means that it will no longer be seaworthy and only mean that the civil aviation authorities will continue to carry out the structural integrity of the aircraft Sexual assessment and inspection work plan, and with the initial certification of aircraft standards (such as the application of the principle of damage tolerance), different models for this assessment and inspection range are not the same. In addition, air operators should also fully recognize