When can I send a message to others by plane?

Aircraft can send messages during take-off and landing, but they need to use the entertainment gateway on the aircraft.

Internet), and then you can send messages after the network is connected. Under normal circumstances, during the smooth flight of the aircraft, passengers' cell phone signals and network signals are turned off, because cell phone signals will interfere with the navigation system of the aircraft and affect flight safety.

Therefore, during the flight, passengers are advised not to use mobile phones or other electronic devices to ensure flight safety. If you need to send urgent information or contact the crew, please use the communication facilities on the plane or ask the crew for help.