![]() This was done to compare the accident experience of recently manufactured piston-powered single-engine airplanes, sorted according to whether or not they were equipped with glass cockpit displays. First, it performed a retrospective statistical analysis of manufacturer records, aircraft investigation information and activity survey data. The NTSB said it used three different methodologies to conduct its study. ![]() Meanwhile, what else did the NTSB say about personal airplanes with glass panels? What about the industry reaction? And what specific recommendations did the Board make? These documents may be retrieved from the NTSB Web site using links published in the box in the upper right corner of the opposite page. Since our April issue was finalized, the NTSB has released the full 91-page study results, including a separate seven-page letter detailing a series of recommendations to the FAA. It came to such a conclusion, in part, because it found single-engine airplanes manufacturedīetween 20 and equipped with glass cockpits had a higher fatal accident rate than similar aircraft with conventional instruments.Īt that time, very little else was known about the study, including the specific aircraft models involved, its methodology and other metrics, raising many questions. As we reported in our April issue, the NTSB concluded the last decades glass-cockpit revolution has not resulted in enhanced safety for the period and aircraft it studied. ![]() In March, the National Transportation Safety Board (NTSB) released a brief statement stating the results of a study it conducted into the relative safety of general aviation airplanes equipped with glass-panel technologies.
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