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This report may be of most value to the relatively inexperienced human factors engineer who must support the analysis activities associated with a systems design effort. The human factors engineer can contribute a lot to such an effort, and ensure that sufficient attention is paid to the operator performance part of the analysis. With practice, the human factors engineer can do most of the analysis, providing useful results to the rest of the design team; the results can also be used to support human operator requirements with hard numbers. Systems engineers may also gain an understanding from this report of how operator perfor-mance considerations can be included in systems analysis and design