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Nearly doubled. But we can not say the aircraft accordingly increasingly unsafe. Since 1903 the aircraft appeared 100 years aircraft security has been greatly improved, not simply in 2014 compared with 2013. If the 10-year period as a comparison, the recent 10-year period is much better than the previous one, the flight also increased a lot. As a 30-year flight airline captain, I can responsibly tell the public: either in distance, time comparison, or at an annual comparison of the number of casualties, the aircraft is still one of the safest vehicles currently travel the . China is the last aviation accidents in 2010, 'Yichun crash.' 4 years, we have not a major aviation accident. The civil aviation safety record in the international arena has been quite good, and the level of security in Europe and America was flat, better than Latin America and other countries. Accidents will be to change the basis for aviation management and hardware facilities, each crash are also aviation MBA classic case, in which aviation will learn a lot of things, will increase the reliability of hardware and management rigor will be strengthened, treat Air concept will increase. Safe and efficient, lower the 'Oriental Outlook': China has achieved such a high level of flight safety record, the reasons for that? Sheng Biao: This is mainly based on two points: on the one hand, from the external hardware, the Chinese civil aviation aircraft with an average age is relatively low, which greatly reduces the probability of mechanical accidents. Many countries Machine age 20 to 30 years of aircraft still flying, the average age of our fleet are between 5 to 10 years, it was hard to see more than 20 years of civil aircraft; on the other hand, China's civil aviation regulations require higher almost regardless of the cost to ensure safety. So we have a pretty good flight safety record. But it also leads to another fatal flaw: In order to do what it takes to ensure safety of flight records, resulting in low efficiency of the whole industry. Rather slow, inefficient, do not come up with the problem. Today's flight, the captain plays a central role in decision-making contingency. The captain decided accountability mentality perform missions when captain: fly a little slower and no one held accountable, once the crash he would have to assume responsibility. So, for their own development considerations,