New corporate member25 Aug, 2017 in News by Sofi Wadjso IFISA welcomes Aeronautical Radio of Thailand (AEROTHAI) as members of IFISA. AEROTHAI is the main ANS provider in Thailand. No. of Towers Operated: 35 No. of ACCs: 1 No. of Employees: 2,856 Total No. of ATCOs: 611