AProbetotheManagementonAircraftRemould目前，随着进口西方国家飞机的增多，机龄增长，机队增大，越来越多的航空公司面临对在设的机队进行加／改装工作，有些是为了满足运航当局的要求，即安全要求，如适航指令要求的加／改装；有些是航空公司为了增加经济效益而进行的加／ AProbetotheManagementonAircraftRemould At present, with the increase of aircraft imports from western countries, the increase of aircraft age and the increase of fleet, more and more airlines are facing additional / modification work on the fleet to be set up, some of them are to meet the requirements of the shipping authority , That is, safety requirements, such as airworthiness directives require additional / modification; some are airlines in order to increase economic efficiency and the Canadian /