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1911年美军平均飞行64.83小时发生一起严重飞行事故,至2000年美国空军平均飞行96153小时发生一起严重飞行事故(万时率0.104),飞机的安全性水平在九十年间提高了1482倍。世界民航定期航班已达到平均飞行1428571架次发生一起严重飞行事故(百万飞行架次事故率0.7)的水平。人类航空这一高危行业,在走过了百年坎坷历程后,终于使民航客机成为世界上最安全、最便捷的交通运输工具,航空安全工程取得了辉煌的成就。人类在航空安全工程发展中倾注了巨大的智慧,积累了丰富的经验。在飞机诞生百年纪念时,回顾这段历程,仍可给予我们许多宝贵的启迪。
In 1911, an average flight of 64.83 hours hit a serious flight accident in the United States. A serious flight accident occurred in 96153 hours on average for the U.S. Air Force by 2000 (0.104 million), and the aircraft’s safety level increased by 1482 times over the 90-year period. The world civil aviation scheduled service has reached the level of a total of 1,428,571 sorties on average with one serious flight accident (one million flight-plane accident rate 0.7). After a hundred years of bumpy journey, the high-risk industry of human aviation has finally made civil aviation airliners the safest and most convenient means of transportation in the world. The aviation safety project has achieved brilliant achievements. Humans have devoted tremendous wisdom in the development of aviation safety engineering and accumulated rich experience. In the 100th anniversary of the birth of the aircraft, reviewing this course can still give us many valuable inspiration.