hibited area unless it is specially approved in accordance with State regulations; no civil aircraft shall fly into a restricted area unless it observes the prescribed conditions of restriction.
The prohibited area and restricted area specified in the preceding paragraph are defined in accordance with State regulations.
Article 79 No civil aircraft shall fly across the airspace over a city except in one of the following circumstances:
(1) It is necessary for takeoff, landing or specified air route;
(2) The flight altitude is high enough to permit the civil aircraft to leave the airspace over the city in the event of emergency without undue hazard to persons or property on the surface;
(3) The flight has been approved in accordance with the procedures prescribed by the State.
Article 80 Nothing shall be dropped or sprayed from a civil aircraft in flight except in one of the following circumstances:
(1) It is indispensable for flight safety; or
(2) It is indispensable for performing a rescue mission or other flight missions conforming to the public interest of the society.
Article 81 No civil aircraft shall fly out of the
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