摘要: This FAA publication furnishes terminal and en route air traffic activityinformation of the National Airspace System. The data have been reported by the FAA-operated Airport Traffic Control Towers (ATCTs), Air Route Traffic Contro... 展开 This FAA publication furnishes terminal and en route air traffic activityinformation of the National Airspace System. The data have been reported by the FAA-operated Airport Traffic Control Towers (ATCTs), Air Route Traffic Control Centers (ARTCCs), Flight Service Stations, Approach Control Facilities, and FAA-contracted ATCTs. These reports are used as a guide in determining the need for larger or additional facilities, upgraded equipment at particular facilities, and possible increases in personnel at existing facilities. 收起