Australian turboprop airplanes experienced an average of 83 power plant failures a year between 2012 and 2016, with almost all classified as “low-risk” events, according to data from the Australian Transport Safety Bureau (ATSB).
The ATSB data, included in a June 15 report, Power Plant Failures in Turboprop-Powered Aircraft,1 says 1,894 occurrences involving technical failures on turboprop aircraft were reported between 2012 and 2016, and of those, 417 (22 percent) involved power plant problems (Figure 1). The number of occurrences reported each year has been declining, the report said, citing data that showed a decrease from 467 in 2012 to 270 in 2016.
Figure 1 — Technical Occurrences Involving Turboprop Aircraft, 2012–2016
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