United States Department of Transportation
i
Evaluation of Wide-Body Transport Category Airplane Evacuation Slide Training Technique and Injuries
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2023-11-01
[PDF-316.31 KB]
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Edition:Memo
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Abstract:At the request of AFS, the Cabin Safety Research Team performed an archival review of training events at our wide-body airplane cabin simulators with participants evacuating via an airplane evacuation slide. The purpose of this review was to evaluate if evacuation slide use technique differed as a function of participants use or deviation from the trained evacuation technique, and if the slide technique used was related to the frequency or likelihood of participant injury. This review found that most evacuations recorded during these training events used the trained techniques, and that it was not possible with this data to utilize inferential statistical techniques to determine if slide technique leads to higher rates of missed landing and/or injuries due to imbalance of observations between the groups using the trained techniques (n = 1202) and the groups deviating from the trained techniques (n = 72). A comparison of frequencies showed that the trained techniques had a lower rate of missed landings (12.23% - 13.79%) than other techniques (50% - 83.33%). Significantly more data would need to be collected to balance the observations in each group of participants deviating from the trained techniques to utilize inferential statistics with sufficient power to detect if there is a statistically significant effect not observed in the sample by chance.
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