1 . AIR TRAFFIC CONTROL SOFTWARE UNIT (GENERATES AND CONVERTS NAVIGATION DATA PACKETS RECEIVED FROM DIFFERENT AIRCRAFT SYSTEMS TRANSMITS THESE DATA PACKETS TO THE AIRCRAFT COMMUNICATION FACILITIES) FOR CIVIL AVIATION ACFT
1 . AIR TRAFFIC CONTROL SOFTWARE UNIT (GENERATES AND CONVERTS NAVIGATION DATA PACKETS RECEIVED FROM DIFFERENT AIRCRAFT SYSTEMS TRANSMITS THESE DATA PACKETS TO THE AIRCRAFT COMMUNICATION FACILITIES) FOR CIVIL AVIATION ACFT