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ATR公司正在进行延长ATR72飞机经济寿命的评估。虽然延长寿命很重要,但是在寿命期内优化其运营经济性则更为重要。为了提高飞机的利用率,ATR公司延长了ATR飞机的C检间隔。1986年,ATR42飞机的C检间隔仅为2000飞行小时。现在,ATR飞机的C检间隔已延长至5000小时。ATR公司还计划延长飞机腐蚀检查的间隔:将2年检延长至2.5年检,4年检延长至5年检,8年检延长至10年检。ATR公司认为这样更有利于维修计划的制订。例如,对于年平均飞行2000小时的用户,可以将2.5年的腐蚀检查
ATR is conducting an extension to extend the economic life of the ATR72 aircraft. While extending life expectancy is important, optimizing operational economics over its lifetime is even more important. In an effort to increase aircraft utilization, ATR extended the C-test interval for the ATR aircraft. In 1986, the C-test interval for the ATR42 aircraft was only 2000 flight hours. Now, the C-test interval for the ATR aircraft has been extended to 5,000 hours. ATR also plans to extend the aircraft corrosion inspection interval: the two-year seizure to 2.5 years, 4-year seizure to 5-year seizure, 8-year seizure to 10-year seizure. ATR believes that this is more conducive to the development of maintenance plans. For example, a user with a yearly average of 2,000 hours may have a 2.5 year corrosion check