Abstract
The aircraft maintenance system is a complex one with many interrelated human and machine components. Inspection is the first critical step in locating and identifying non-conformities that are later removed or fixed as part of maintenance. Thus, inspection constitutes a critical step in the overall maintenance process. Significantly, 90% of all inspection, which is visual, is conducted by human inspectors. Moreover aircraft inspection is often performed under varying pacing conditions. If we are to provide the general public with a safe and reliable air transportation system, inspection must be performed effectively, efficiently and consistently over time. However, past studies in human inspection have reported large individual differences in inspection performance. Even though it is difficult to eliminate errors completely, continuing emphasis must be placed on identifying interventions to reduce errors and improve consistency in performance.
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