2004年4月以前,中国民航专项用于建设空管、机场等民航基础设施的资金主要来源于政府对航空公司收取的“民航基础设施建设基金”和对旅客收取的机场建设费(统称“民航专项基金”)。该方式符合当时的历史环境,促进了民航的发展。但随着民航体制改革的不断深入,该方式已不能适应 Prior to April 2004, the funds specially used by CAAC for the construction of civil aviation infrastructure such as air traffic control and airports mainly came from the “Civil Aviation Infrastructure Construction Fund” charged by the government to airlines and the airport construction fees collected from passengers (collectively referred to as “Civil Aviation Special fund”). This approach accords with the historical environment at that time and promoted the development of civil aviation. However, as the reform of the civil aviation system continues to deepen, this approach can no longer be adapted