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All Journal Jurnal Multidisiplin Riset Ilmiah (ATRIA) Jurnal Transportasi dan Bahari (ALTAIR)
Semuel Palembangan
Politeknik Pelayaran Sulawesi Utara
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Other

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Dry-Dock Supervision Analysis of KM. L. Malahayati (Ship Owner: Poltekpel Malahayati Aceh) at PT. Cahaya Baru Shipyard Harris R. Dahlan; Joshian Nicolas William Schadaw; Lucia I. R. Lefrandt; Semuel Palembangan
ALTAIR: Jurnal Transportasi dan Bahari Vol. 3 No. 1 (2026): ALTAIR - Mei 2026
Publisher : PT. Alpha Trianguli Australis

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62554/qjetjc27

Abstract

The annual dry-dock supervision of KM. L. Malahayati is an important aspect in ensuring the quality, safety, and operational efficiency of the ship. This study aims to evaluate the effectiveness of dry-dock supervision with technical, administrative, and regulatory approaches. The research method employs a descriptive qualitative approach, based on field observations, documentation, and data validation through triangulation of shipyard reports and technician interviews. Quantitative analysis was conducted on time deviation, cost efficiency, and work safety indicators. The results show a 33% deviation in finishing time, but overall the project was completed on time with cost efficiency and increased work safety. This study contributes in the form of an integrated dry-dock supervision model that is relevant for government training vessels.
Implementation of a Problem-Based Learning Model to Enhance Critical Thinking Skills in Leadership and Teamwork Learning at the Politeknik Pelayaran Sulawesi Utara Muhammad Sapril Siregar; Semuel Palembangan; Haryadi Wijaya
ATRIA: Jurnal Multidisiplin Riset Ilmiah Vol. 3 No. 1 (2026): ATRIA - Januari 2026
Publisher : PT. Alpha Trianguli Australis

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62554/1em5ka14

Abstract

Managerial competence is the ability to manage resources through planning, organizing, implementing, and supervising activities to achieve organizational goals effectively and efficiently, especially in terms of the art of leading, controlling, commanding, coordinating, transacting, and serving which a manager must have in achieving goals organization. Therefore, this can only be obtained in leadership and teamwork courses. However, the current approach to teaching these skills often yields suboptimal results in terms of attitudes and learning outcomes. In response, we conducted a study aimed at elevating the quality of leadership and teamwork instruction through the implementation of a problem-based learning approach. This method prompts students to solve practical challenges simulating real-world workplace situations. This study used a qualitative approach with the Lesson Study method and Cluster Random Sampling with a study population of 24 participants consisting of 19 male and 5 female participants. The results showed that our research revealed 91.67% of participants achieved a score of at least 80, surpassing the targeted objective of 85%. Moreover, student engagement exceeded expectations, with an average activity rate of 86.67% against a target of 80%. In conclusion, the utilization of problem-based learning models can improve students' critical thinking skills in leadership and teamwork lessons.
Co-Authors Harris R. Dahlan Haryadi Wijaya Joshian Nicolas William Schadaw Lucia I. R. Lefrandt Muhammad Sapril Siregar