MEDA and its use in data collecting and evaluating

Article discusses the use of the Maintenance error decision aid (MEDA) methodology in the investigation of events and subsequent data collection and assessment which is needed for the collection and evaluation of safety indicators. The first part describes the methodology of MEDA, the second outlines the use of factors for the purposes of collecting safety indicators and evaluation of the safety performance of the organization in terms of implementation of risk factors contributing to the realization of unwanted events.