Combinations of cockpit display features may lead to increased pilot perceptions of clutter. This research sought to capture pilot perceptions of display clutter associated with primary flight display features during a vertical takeoff and landing scenario and to validate a multidimensional measure of clutter previously developed for a fixed-wing environment. Sixteen active fixed-wing pilots were recruited for the study that used a simulator configured as a vertical takeoff and landing aircraft. A factor analysis was used to reduce the number of subdimensions of the clutter measure based on previous ratings data. The simplified measure revealed an increase in the number of active display features to cause an increase in perceived clutter. Displays including synthetic vision system features were perceived as significantly more cluttered than those without. Although a tunnel (highway in the sky) feature also contributed to clutter, pilots achieved higher navigation system failure detection rates when the feature was active. Significant positive correlations were found between perceived clutter and visual display properties but not between perceived clutter and performance. Although pilots rated some displays as being highly cluttered, the increased information aided navigation failure detection. Overall, the clutter measure was found to have validity and sensitivity for application across diverse flight domains.
Testing and Validation of a Psychophysically Defined Metric of Display Clutter
Journal of Aerospace Information Systems ; 10 , 8 ; 359-368
01.08.2013
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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