<![CDATA[Safety Management System (SMS) training is essential for developing airport personnel’s competencies to support safe airport operations. However, conventional training often emphasizes theoretical knowledge rather than analytical skills needed to identify hazards and make appropriate safety decisions. This study examined the effectiveness of Case-Based Learning (CBL) in enhancing safety awareness and Safety Analysis Competency among airport personnel participating in SMS training. A mixed-methods approach with an embedded one-group pretest–posttest design was employed involving 20 participants in a four-day training program. Quantitative data were collected using a 15-item Safety Awareness Questionnaire administered before and after the training and analyzed with descriptive statistics and the Wilcoxon Signed-Rank Test. Qualitative data were obtained from case analysis worksheets and reflective responses, analyzed using analytical rubrics and thematic analysis. Results showed a slight but statistically non-significant increase in safety awareness (p = 0.129), indicating that participants already demonstrated a high level of awareness before the intervention. In contrast, participants achieved high performance in Safety Analysis Competency, including Hazard Identification (81.8%), Root Cause Analysis (95.0%), Risk Assessment (81.8%), and Risk Mitigation (90.8%). Reflective responses confirmed improvements in systematic hazard analysis, proactive safety reporting, and evidence-based decision-making. These findings indicate that CBL is particularly effective in strengthening higher-order analytical competencies and should be integrated into SMS training to improve airport personnel’s operational safety performance.]]>
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