In maritime transportation traffic control is carried out by Vessel Traffic Services (VTS). VTS operators monitor traffic provide information on request and co- ordinate movement of ships in (emerging) conflict situations. Relevant for the performance of the VTS operator is the operator's mental representation of the traffic. Situation awareness is a useful concept in describing this mental picture. The SA concept has been successfully introduced in maritime traffic control and several methods for assessing SA in the VTS context have been developed. This paper compares two methods for measuring VTS operator performance based on the SA concept: SATest, based on Endsley's SAGAT paradigm, and Performance Monitoring Instrument PMI, a performance-based assessment technique. Both methods have their strengths and weaknesses. Both can be useful, depending on research question and confining conditions. The results of the comparison have implications for assessment of performance on traffic management tasks in other transportation domains as well.


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    Title :

    Situation Awareness in Maritime Traffic Control: A Comparison of Two Methods


    Contributors:
    E. Wiersma (author) / R. Butter (author)

    Publication date :

    2002


    Size :

    10 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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