航空运输是最迅速的一种运输方式。飞行器在航行速度上远远超过现有的其它各种运输工具,把空运工具广泛用于邮政运输,是我国邮政通信在技术发展方面的主要方针之一。我国目前空运邮件都是由民用航空总局所属的空运企业承担,使用定期和不定期飞行的飞机。虽然近年来,由于民航业务的发展,航路和班次日益增多,给航空运邮提供了较为方便 Air transport is one of the fastest modes of transport. Flying speed of the aircraft far more than the existing variety of other means of transport, the air transport tools widely used in postal transport, postal communications in China is one of the main guidelines in the development of technology. At present, all the air mail in our country are borne by the airlines affiliated to the General Administration of Civil Aviation, using regular and irregular airplanes. Although in recent years, due to the development of civil aviation business, the increasing number of routes and flights have provided more convenience to airmail