Abstract

In this paper, using the System Safety, the system identifies the factors that affect the safety risk of the aviation maintenance, and reveals the internal mechanism of the safe risk. On the basis of the literature reference, the questionnaire for the design of safe risk indicators for aviation maintenance was designed, and the risk indicators were determined through two rounds of iterative screening, including 6 primary indexes and 15 secondary indicators. Using AHP, fuzzy theory and grey theory, the paper constructs a grey fuzzy comprehensive evaluation model. In the end, the application and validation of the model are verified in combination with a large team, and the corresponding measures and suggestions are put forward according to the evaluation results.

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