Eight general aviation pilots participated in a series of unusual attitude recovery tasks to determine the effect of the addition of audio symbology to visual symbology on performance. Two audio symbology sets were tested including a non-localized set of recovery commands, and a set of localized “fly-to” cues. Results showed that there was no significant difference in performance among the visual only condition, the visual plus non-localized audio commands, and the visual plus localized cues. There were, however, significant differences in performance based on the initial climb/dive angle condition of the unusual attitudes.
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