The influence of various display symbologies in a cockpit display of traffic information (CDTI) on pilot perception of horizontal aircraft separation is investigated. In a series of nine experiments using different combinations of display symbology, information update rate, display viewing time and encounter geometry, subjects were asked to predict whether an intruder aircraft would pass in front of or behind their own aircraft. It is found that displayed history did not improve task performance, although it was desired by the pilots when no other display of aircraft turn rate was available, and that pilots made fewer errors when they had predictive information. Variations in the rate of updating information from 0.1 to 4 sec and viewing times from 1 to 16 sec are not observed to affect performance. It is concluded that the present task, which may arise in a collision avoidance situation, would require an onboard computer to make a prediction of relative aircraft position and display it on the CDTI.


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    Title :

    Perception of horizontal aircraft separation on a cockpit display of traffic information


    Contributors:
    Palmer, E. A. (author) / Jago, S. J. (author) / Baty, D. L. (author) / Oconnor, S. L. (author)

    Published in:

    Publication date :

    1980-10-01


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English