The objective of this study was to examine pilot reactions to three versions of the resolution advisory (RA) display of the TCAS II. Two modifications to the current system were designed to test the hypothesis that a different lighting pattern might be more effective than the 'red-only' version currently in use. Grouped into three sets, 28 RA displays of the same color pattern ('red-only', 'red-and-green', and 'green-only') were presented to 36 volunteer pilots on an IRIS terminal. The results indicated that the red-and-green display caused the least errors and hastened a quicker response than did the red-only display. Further, a subjective evaluation revealed that the pilots preferred the red-and-green display over the other two options. The red-only display caused the most errors, including seven unnecessary maneuvers. Pilots also responded slowest to this display and it was the least preferred.


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    Title :

    Pilot response to avoidance regions depicted on alternate TCAS II resolution advisory displays


    Contributors:

    Conference:

    International Symposium on Aviation Psychology ; 1989 ; Columbus, OH, United States


    Publication date :

    1989-01-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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