This paper looks at situation awareness and mental workload as it relates to the Free Flight concept. Free Flight is a fairly recent innovation that is aimed among other things, at giving pilots more control over real time changes to flight paths and has raised many concerns amongst controllers regarding safety. A principal concern is a loss of the controller's picture' that could result from aircraft deviating from flight plans without prior controller consent. Such a loss may compromise the ability of the controller to intervene in the event that separation is lost between aircraft. This paper identifies potential adverse effects that the implementation of the shared separation concept may have on controller performance and proposes a modified interface that would aid in giving predictability back to the controller. A prototype interface is currently being developed at the University of Guelph and is representative of a combined data-link and conflict detection aid that may be implemented as the progression is made towards transferring control from the ground to the air.


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    Mental Models and Situation Awareness in Air Traffic Control

    Mogford, R. H. / Center for Applied Human Factors in Aviation | British Library Conference Proceedings | 1994



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