At present, “black fly” frequent incidents, hidden dangers can not be ignored. Data show that in mid-January to mid-February this year alone, 12 unmanned aerial vehicles (UAVs) were illegally operating to threaten civil aviation safety incidents. During the two days of February 2 and 3, four unmanned aerial vehicles (UAVs) occurred at Kunming Changshui Airport in Yunnan Province. Among them, the most serious one was UAVs, which were only 50 to 70 meters away from airplanes. This posed a serious threat to aviation safety. On May 12, Chongqing Airport suffered UAV interference for nearly 4 hours, causing more than 40 flights to be prepared in Chongqing Airport, more than 60 flights were canceled, more than 140 flights were delayed and the tens of thousands of passengers traveling were affected.
