AIR TRAFFIC NAVIGATION SERVICES

Administrative officers in the Air Traffic Guide tower (ATC) Indonesia 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.