2. Protection scope of restricted surface of Hongqiao International Airport: In order to ensure the flight safety of Hongqiao International Airport, Shanghai has set up a protection scope of restricted surface around Hongqiao International Airport, prohibiting low-speed small aircraft such as civil drones from flying.
3. Obstacle protection scope of Shanghai Civil Airport: Both Pudong International Airport and Hongqiao International Airport have set obstacle protection scope, and flight restrictions are implemented in specific streets and towns. In these areas, it is strictly forbidden for any unit, group or individual to carry out flight activities such as unmanned aerial vehicles and aviation models without authorization, and to release birds and lanterns that affect flight safety, and to lift unmanned free balloons, tethered balloons and other lift-off objects.