North Tapanuli - (Thursday, 13/12/2018) PT. Angkasa Pura 2 (Persero) Silangit International Airport conducts socialization activities related to "Aviation Safety and Security" at UNITA (North Tapanuli University). UNITA students and students were very enthusiastic about the socialization. In between the sessions, students were also asked to participate in Skytrax Voting. From this activity, students are expected to gain more knowledge about the world of aviation.