AIR TRAFFIC NAVIGATION SERVICES

The officer monitors the movement of the aircraft through the “Automatic Dependent Surveillance-Broadcastâ€TM in the Air Traffic Guide Tower (ATC) of the Indonesian or AirNav Flight Navigation Service Board at Ahmad Yani International Airport, Semarang, Central Java, Saturday (19/1/2019). Until the end of 2018, AirNav Indonesia nationally serves a navigation of about 10,000 domestic and international flight traffic movements per day in Indonesia’s air area of 1.476.049 Marine miles and serves an area of 2219.629 Marine miles. ANTARA PHOTO/Aji Styawan/wsj.

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