Abstract

AbstractAt present, civil aircraft EWIS is highly concerned by all parties, especially for safety assessment. The requirements of safety analysis, data acquisition and evaluation methods related to safety in actual flight state of EWIS system, on-board inspection strategy and related maintenance evaluation need to be further explored and studied. This paper studies the inspection methods of EWIS airworthiness compliance, describes the failure mechanism of friction, aging and damage of EWIS from qualitative and quantitative aspects, designs special inspection methods for different regions, and calculates weight by triangle fuzzy method, and evaluates the optimal type of EWIS comprehensively, and obtains the optimal application case.KeywordsCivil aircraftEWISAirworthiness complianceSafetyError prevention

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