公务机多指在商务活动或行政事务 中用作交通工具的小型飞机，又称商务飞机或行政机。公务机属于通用航空的范畴，按飞行时间计算是通用航空中最大的一个门类，一般为大、中企业或政府部门所有，近年来出现“部分拥有”购机方式（买１／１６－１／２架飞机产权，换取相应时数的 Business jet refers to a small aircraft used as a means of transport in business activities or administrative services, also referred to as a business jet or an administrative machine. Business jet belongs to the category of general aviation. According to the time of flight, it is the largest category in general aviation. It is generally owned by large, medium-sized enterprises or government departments. In recent years, the “partially owned” purchase method (buying 1 / 16-1 / 2 aircraft ownership, in exchange for the corresponding hours