Abstract
A computer program has been written which contains a model of the procedures used in normal operation of a twin engine aircraft. This model, from examining the current and recent aircraft state, can determine when a procedure (or checklist) should be or is invoked and when each step (detectable by a change in the aircraft state) is completed. Thus. the program tracks the flight crew through changes in the aircraft state.
The computer program is intended to aid the flight crew by detecting errors. Omitting procedure steps (or entire procedures), changing the aircraft configuration improperly, and executing procedure steps out of order are all errors the program is able to detect.
The program will be evaluated on data from a previous experiment on a Link GAT-II simulator. One data set was used to test the program. The program was run unmodified on the second. The errors it found are compared with manual analysis that has been reported by Rouse and Rouse [1983].
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