21st Congress of International Council of the Aeronautical Sciences, Melbourne, Australia, 13-18 September, 1998
Paper ICAS-98-1.9.4

HUMAN FACTORS MODELS AND CLASSIFICATION SCHEMES FOR IMPROVING OCCURENT DATA REPORTING SYSTEMS

Casseta O. P., Post W., Surace G.*
European Commission, Joint Research Center, Italy; *Turin Polytechnical University, Italy

Keywords: human factors models, classification schemes, occurent data reporting systems

One of the most important issues, which are facing the present of aviation accidents/incidents mandatory databases, is represented by the scarce content of information concerning Human Factors. These are usually presented, in database reports, in unstructured forms, such as "narrative" report, or based on a superficial classification scheme with shallow connection to a human behaviour model. This problem demands the improvement of current classification schemes by considering more sophisticated taxonomies of human errors, and the validation of these. In this paper we present our first attempt to study the validation issue, for which the following method has been applied. First of all, the new ICAO classification scheme, known as ADREP2000, has been studied and compared with the previous version. Then, well-known accident cases have been selected, and database reports elaborated on the basis of the two ADREP classifications. Finally, accurate analysis of the accidents has been devised from the two different accident reports for each accident case. The differences between the current ADREP and the ADPREP-2000 reporting schemes, are then confronted and compared with the thorough outcome of the accident analysis based on the Inquiry Commission accident Report'. Gains obtained by the use of new taxonomy are then discussed together with possible future improvements of the new format.

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