In recent years, with the increasing popularity of portable electronic devices, especially cell phones, the use of cell phones and other electronic devices on civil aircraft is also increasing, posing a threat to flight safety. A large amount of evidence shows that the use of cell phones and other portable electronic equipment on the aircraft will produce electromagnetic interference, resulting in aircraft navigation equipment, autopilot system failure and thus seriously jeopardize aviation safety. In particular, aircraft radio navigation and communication systems in the take-off, climb, approach and landing phases, as the aircraft is at a low altitude, any electromagnetic interference may cause the consequences of aircraft destruction. This problem has aroused widespread concern in all sectors of society. In 1991, shortly after the take-off from Bangkok of a Boeing 767-300 aircraft of a British airline, a computer on board suddenly activated a counter-thrusting device, resulting in the crash of the aircraft and the death of all 233 people on board. The results of the investigation indicated that laptop computers, portable camcorders or cell phones were directly responsible for the serious crash, as the most likely cause of the sudden loss of control of the on-board computer was the severe electronic interference to the aircraft, and that the Brazilian crash of 1996 and the Taiwan crash of 1998 were also related to the use of cellular phones. In addition, there are some cases which did not cause serious accidents but were close to the edge of accidents. on July 11, 1999, when a flight was preparing to land at Guangzhou Baiyun Airport, there was a deviation of about 8 degrees from the trajectory, and the captain found this situation and immediately notified the flight attendants to check the cabin, and found that there were 4 or 5 passengers using cell phones. After the flight attendants came forward to stop them, the aircraft resumed its normal trajectory before landing.On January 8, 2000, shortly after a flight took off from Zhanjiang Airport, the captain suddenly found that there was a serious deviation between the aircraft's compass indication and the aircraft's route, and the computer system showed that the aircraft had yawed by 10 nautical miles. The captain immediately notified the flight attendants to carry out an inspection and found that a passenger was using a cell phone. on February 13, 2000, during the approach to Zhengzhou Airport, a flight was unable to land normally due to the use of a cell phone by a passenger on board, which resulted in an abnormal navigational signal, and the flight crew was able to stop the flight before it was able to land. If the crew had not been experienced and handled the situation properly, the consequences would have been unimaginable. So how can portable electronic devices such as cell phones interfere with navigation systems? Devices that can cause electromagnetic interference to navigation systems include active and inactive signal transmitting devices, of which those that have a significant impact are active signal transmitting devices, such as cell phones. According to international conventions, the current navigation system channels are 1200 MHz, 110 MHz and 75 MHz respectively, and other generators are not allowed to use these channels. However, the current channels for cell phones such as GSM system are 800 MHz, CDMA system is 900-1000 MHz and PCS system is 1800 MHz, which are very close to the navigation system. Once the cell phone frequency is changed, it is very dangerous to have the same frequency as the electronic equipment on board. Other non-active signal transmitting devices such as laptop computers, video game consoles, video cameras and tape recorders can also cause interference due to the use of high frequency clock oscillators. Also laser turntables and CD-ROM devices, due to the brief voltage pulses generated by the laser sensors reading information from the disk, are sufficient to interfere with the electronic systems below the cabin floor. Further, even if the signal of electromagnetic interference is weak, it can directly affect the navigation system if the user is sitting in the nose of the aircraft or if there is nothing in front to block it. Internationally, civil aviation authorities and airlines in many countries, including the United States, Canada, the European Joint Aviation Authority and New Zealand, have successively formulated relevant regulations and procedures in restricting the use of portable electronic devices. The Civil Aviation Administration of China (CAAC) has also successively formulated relevant regulations requiring airlines to broadcast reminders to passengers to turn off their cell phones before takeoff. However, there are still individual passengers who lack safety awareness and legal concepts, and are indifferent to the broadcasts of the flight crews, which intentionally or unintentionally caused a number of dangerous situations, some of which were close to the edge of accidents, and seriously jeopardized the safety of other people's lives and properties. For this reason, the General Administration of Civil Aviation of China, with reference to international practice and on the basis of China's actual situation, began to formulate regulations on restricting the use of cell phones and other portable electronic devices on board aircraft. The regulations will be submitted to the State Council for issuance and implementation as administrative regulations. The new provisions have increased penalties on the basis of further improving the legislation. According to Article 88 of the Civil Aviation Law of the People's Republic of China*** and the People's Republic of China, "Radio stations and other instruments and devices used by any unit or individual shall not prevent the normal use of the dedicated frequency for civil aviation radio." According to Title II, Chapter 2 of the Criminal Law of the People's Republic of China*** and the People's Republic of China, Chapter 2, Crimes Against the Safety of the Public***, Article 116: "Anyone who sabotages a train, automobile, tram, vessel, or aircraft in a way that is sufficient to bring about the danger of capsizing or destroying it, and has not yet caused any serious consequences, shall be sentenced to fixed-term imprisonment of not less than three years and not more than ten years. " Article 119 stipulates that "Anyone who destroys a means of transportation, transportation facilities, electric equipment, gas equipment, or inflammable or explosive equipment, causing serious consequences, shall be sentenced to fixed-term imprisonment of not less than 10 years, life imprisonment or the death penalty." The use of cell phones and other portable electronic devices on the aircraft may cause the aircraft to capsize should be regarded as illegal behavior, constituting a crime against public **** security. Here, once again, I would like to advise all travelers, in order to your life and property and the safety of others do not use cell phones and other portable electronic devices on the plane, do not because of personal convenience to others and society caused irreparable damage to you and your family to bring unnecessary trouble, the more serious is the possibility of compensation and criminal liability.
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