*Including unmanned flying. Note: Low-altitude aviation activities partly include military aircraft, not discussed in our report. Letters cited refer to types of airspace. Classes D and E are controlled airspace: D refers to airspace with air traffic control service for all flight while E to airspace with air traffic control service only for instrument flight. G and W are uncontrolled airspace; G refers to airspace below 300 metres, no air traffic control service but must report flight plans, and W to below 120 metres and no requirement on reporting flight plans.

Source: China National Development and Reform Commission, China Air Transport Association, Civil Aviation Administration of China (CAAC), Swiss Re Institute