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Engine Failures:A Review of Recent Engine Failure Data and Considerations for Future Training

机译:发动机故障:最近的发动机故障数据回顾和未来培训的注意事项

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Many pilots will never experience an in-flight engine malfunction in their flying careers thanks to modern engine designs and vigorous preventive maintenance practices. In fact, present day turbofan designs are so reliable that the average in-flight shut-down rate is less than once in 10,000 flight hours. Within the business jet industry the number of reported engine-failure events for a recent 12- year period clearly reflects these trends. A review of business jet engine-failure events by Business & Commercial Aviation found 201 reportable incidents (15 accidents in the U.S. NTSB database and 186 incidents in the U.S. FAA incident database) in a recent 12-year period. Three of the 201 engine failures resulted in fatal injuries. Thankfully the remainder of the engine-failure accidents (12 out of the 15 total engine-failure accidents) and 186 engine-failure incidents were resolved without further aircraft damage and without injury to the aircraft occupants. However, after several high public accidents in the 1990’s involving misdiagnosis of engine malfunctions, some officials in the FAA and the industry questioned whether present training is adequate to correctly diagnose and respond to these relatively infrequent, but potentially significant, engine malfunctions.
机译:得益于现代发动机设计和严格的预防性维护实践,许多飞行员在飞行过程中都不会遇到机上发动机故障的情况。实际上,当今的涡扇发动机设计是如此可靠,以至于平均飞行停机率每10,000个飞行小时不到一次。在公务机行业中,最近12年报告的发动机故障事件数量清楚地反映了这些趋势。在最近12年的时间里,美国商务航空公司对商务飞机发动机故障事件的审查发现了201起可报告的事件(美国NTSB数据库中有15起事故,美国FAA事件数据库中有186起事故)。 201台发动机故障中有3台导致致命伤。值得庆幸的是,其余的发动机故障事故(在15项全部发动机故障事故中有12项)和186项发动机故障事故得到了解决,而没有进一步造成飞机损坏,也没有对飞机乘客造成伤害。但是,在1990年代发生了几起涉及发动机故障误诊的重大公共事故之后,FAA和该行业的一些官员质疑目前的培训是否足以正确诊断和应对这些相对罕见但潜在的重大发动机故障。

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