Vietnam protests China’s flights to East Sea again

According to radar data recorded at long-distance control centre in Ho Chi Minh City, the flights operating at a higher altitude than the minimum level allowed by airlines. The flights were not registered with Vietnamese air traffic control and did not establish voice communication with the Ho Chi Minh City Control Centre. Operation of these aircraft are possibly violating ICAO regulations and seriously affecting flight operations in the region, according to the Vietnam Aviation Department.