An maintenance, repair, and overhaul (MRO) safety oversight system analysis: A case in Korea

Seungju Nam, Woon-Kyung Song and Heekweon Yoon

Journal of Air Transport Management, 2023, vol. 107, issue C

Abstract: Establishing an oversight system is an important step in ensuring maintenance safety, reliability, and profitability. The implementation of internationally-accepted criteria is required to integrate and strengthen an MRO safety oversight system. This study attempts to identify and analyze the relevant safety indicators to evaluate an MRO oversight system. It does so by applying the IPA and Kano model with 182 expert surveys from Korea. We identify twelve key safety indicators for the safety oversight system. The importance of the selected indicators is confirmed, but performance scores are significantly lower. The results suggest that the management and training of technical personnel should be prioritized to improve the Korean MRO industry. Identified indicators all show must-be attributes, indicating they are mandatory to safety. Oversight inspectors and inspectees are confirmed to have similar levels of safety awareness. It appears that safety standards increase as the years of experience accumulate, but this is not statistically confirmed. This study improves upon the existing safety oversight system literature with a focus on maintenance. As such, it will help solve maintenance outsourcing safety issues by standardizing and providing benchmarks for MRO safety oversight.

Keywords: MRO; Safety oversight system; Importance-performance analysis (IPA); Kano model (search for similar items in EconPapers)
Date: 2023
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:jaitra:v:107:y:2023:i:c:s0969699722001685

DOI: 10.1016/j.jairtraman.2022.102349

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