Article 12 Conduct Aboard Aircraft
12.1 General Provisions
If passengers' behavior conducts aboard the aircraft have endangered the aircraft or any person or property on board, or obstructed the crew in the performance of their duties, or failed to comply with any instruction of the crew, or behaved in a manner to which other passengers may reasonably object, Hainan Airlines may take all measures that it deems necessary to prevent continuation of such conduct, including restraint of the passenger.
12.2 Electronic equipment
Passengers are prohibited from operating portable radios, mobile phones (including mobile phones in airplane mode), interphones, or transmitting devices including radio controlled toys and radio transmitters which Hainan Airlines considers will interfere with security of flight on board. Without Hainan Airlines' permission, passengers cannot use any electronic devices except hearing aids and heart pacemakers permission, passengers cannot use any electronic devices except hearing aids and heart pacemakers.
12.3 Non Smoking On board
All flights of Hainan Airlines are non-smoking, and smoking is prohibited in all areas of the aircraft.
12.4 Safety belt
After taking their seats, passengers are required to fasten their safety belts.