FAA既积极又稳妥地推行“自由飞行”这一全新的空中交通管制(ATC)概念,使驾驶员在仪表飞行条件下有更多的自由选择航迹和航速.但自由飞行并不意味着驾驶员可以随心所欲地飞,而是在空中交通管制的监控之下,在与邻近飞机保持安全间 The FAA actively and steadily promotes the concept of “free flight”, a new air traffic control (ATC) that gives pilots more freedom to choose their track and speed under instrument flight conditions. However, free flight does not mean driving Members can fly as they wish, but under the control of air traffic control and maintain safety with the neighboring aircraft