近年来,随着我国经济不断发展,国际、国内相互的交流日益增多,这给民航事业带来了巨大的发展,同时也带来了巨大的压力。虽然在地面实施飞机流量控制,但多机同时到达要求着陆或航线冲突开始出现并日益增多;为了维护空中交通安全,保持畅通,必须建立等待程 In recent years, with the continuous economic development in our country, there has been an increasing number of exchanges with each other both at home and abroad. This has brought tremendous development to the civil aviation industry and brought tremendous pressure at the same time. Although aircraft flow control was implemented on the ground, simultaneous arrival of multiple aircraft required landing or route conflict began to occur and was increasing; in order to maintain air traffic safety and maintain smoothness, a waiting process must be established