Euis Happy Wangloan, Anoesyirwan Moeins, Marhalinda Marhalinda, Endri Endri
The purpose of the study is to empirically prove the influence of transformational leadership, professional ethics, work competence on commitment and its implications for the performance of Ship Safety Supervisors in the Coordination Work Area of the Tanjung Priok Main Harbormaster Office of the Ministry of Transportation. This research is explanative, descriptive, and verifiable with a causal approach, while the research method used is a survey. The study population was 264 Ship Safety Inspectors in the Coordination Work Area of the Tanjung Priok Main Harbormastership Office. The research sample was taken using the census method technique and obtained the total of samples of 50 respondents and the research sample was 214 respondents. Data collection techniques used questionnaires and data analysis techniques used Structural Equation Modeling (SEM) with assistance from SPSS and Lisrel software. The result of the structural equation indicates that either partially or jointly Transformational Leadership, Professional Ethics, and Work Competence have a positive and significant effect on Organizational Commitment with a contribution (R-square value) of 58% The dominant variable that affects Organizational Commitment is Work Competence. The result of structural equation 2, either partially or jointly with Transformational Leadership, Professional Ethics, Work Competence, and Organizational Commitment have a positive and significant effect on official Performance with a contribution (R-square value) of 84%. The dominant variable affecting official performance is Organizational Commitment.