As part of a program to establish cockpit visibility requirements for Army helicopters, a method of instrumentation was established to record photographically pilots' eye movements in various helicopters during flight in order to determine visual windshield usage. Two methods of recording pilots' eye movements were considered; namely, (1) the use of a camera located behind the pilot which viewed his eyes through a mirror located ahead of him on the instrument panel, and (2) the use of a camera located in front of the pilot. The second method was selected. Accuracy of reading or interpreting the photographic data obtained from the instrumentation was established through the conduct of tests performed in the H-13 and H-21 helicopters, which were selected as being representative of various types of Army helicopters. These tests revealed that it was possible to determine the actual location of the area of the windscreen through which the pilot was looking, within 10 degrees vertically and horizontally during at least 72 per cent of the time for the H-13 helicopter, and 60 per cent of the time for the H-21 helicopter. (Author)


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    Title :

    Development of Instrumentation for the Study of Pilots' Eye Movements in Army Helicopters


    Contributors:

    Publication date :

    1958


    Size :

    20 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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