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Analisis Menurunnya Kinjerja Lo Purifier Westfalia Type OSD6-0196-067/6 di KM Gunung Dempo Mohammad Annurizqi; Prayogo, Darul; Heriyawan, Mohammad Sapta
Indonesian Journal of Marine Engineering Vol 2 No 1 (2025): February
Publisher : Politeknik Ilmu Pelayaran Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46484/ijme.v2i1.764

Pesawat bantu LO purifier diatas kapal adalah salah satu mesin bantu yang memiliki peranan yang sangat penting pada sistem pelumasan pada main engine. Fungsinya untuk memisahkan minyak lumas dari air, lumpur dan kotoran. pada saat peneliti melaksanakan praktek laut di KM Gunung Dempo, pada saat kapal perjalanan dari pelabuhan Sorong menuju pelabuhan Makassar, Pesawat bantu LO Purifier terjadi suatu kerusakan, yaitu keluarnya oli pada saluran sludge di LO Purifier pada saat dioperasikan dan adanya alarm LO Purifier failure sehingga mengakibatkan kinerja LO Purifier menurun. Kemudian LO Purifier segera dimatikan oleh masinis 3 yunior sebelum oli yang keluar lebih banyak dan menyebabkan kurangnya oli pada sump tank main engine. Tujuan penelitian ini adalah untuk mengetahui faktor penyebab overflow minyak lumas pada LO Purifier, untuk mengetahui dampak dari overflow minyak lumas pada LO Purifier, serta untuk mengetahui upaya yang bisa dilakukan agar kinerja LO purifier dapat beroperasi normal kembali. Metode penelitian yang digunakan pada skripsi ini adalah kualitatif dengan teknik analisis menggunakan metode fishbone dengan pendekatan 4M (Machine, Material, Method, and Man). Hasil yang diperoleh dari penelitian ini menunjukan faktor penyebab overflow minyak lumas pada LO purifier adalah bowl kotor, bearing shaft bowl rusak, shaft bowl mengalami keausan. Dampak yang ditimbulkan dari faktor penyebab overflow minyak lumas adalah bowl menjadi berat, Suara gemuruh pada LO purifier, dan putaran bowl tidak stabil. Upaya yang bisa dilakukan agar kinerja LO purifier dapat beroperasi normal kembali adalah dengan cara membersihkan bowl LO purifier dan mengganti komponen bearing shaft bowl dan shaft bowl dengan yang baru.

The Effect of Practical Experience, Knowledge of Job Opportunities, Teacher Professionalism and Work Motivation on Work Readiness Darul Prayogo; Andy Wahyu Hermanto; F. Pambudi Widiatmaka; Dwi Prasetyo; Sugiyarto Sugiyarto
Jurnal Iqra' : Kajian Ilmu Pendidikan Vol. 7 No. 1 (2022): Jurnal Iqra' : Kajian Ilmu Pendidikan
Publisher : Institut Agama Islam Ma'arif NU (IAIMNU) Metro Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25217/ji.v7i1.2062

The main problem faced by the education world is the low employment level for graduates of Vocational Senior High Schools (SMK). Ideally, there should be 80% to 85% graduates that should be directly admitted to the work forces, but up till now this percentage is approximately only 61%. The article analyze how the effect of Practical Experience, Knowledge of Job Opportunities, Teacher Professionalism and Work Motivation on Work Readiness at Vocational High School (SMK) Semarang Automotive mechanical expertise program. The research sample was taken using cluster proportional random sampling. Data were collected by questionnaires and documentation. Based on a preliminary test on grade XII students of Mechanical Automotive of SMK found that there were 36 valid problems and 18 invalid ones in the questionnaires. These problems were then refined and reduced proportionally to only 40 according to the existing sub-factors. After being e-tested the instrument produced a validity score higher that the table r (0.334). It meant that the instrument was valid and could be used as an appropriate tool for tests. The data were analyzed using percentage-descriptive analyses. The total effect of experiences in practices on the readiness of the students to enter the existing wok force was 2%, the total effect of students’ knowledge about employment was 3.04% and the total effect of teachers’ professionalism was 2.63%. Based on the above findings, it can be concluded that there were effects of experiences in academic practices, of students’ knowledge about the existing employment, of teacher professionalism and of students’ motivations for work on readiness to enter the work forces. Collectively, these four factors contributed 30.6% of the total effect, while the remaining 60.4% of the total effect was due to by some other factors not investigated in this research. Keywords: Practical Experience, Teacher Profesionalism, Work Readiness

The Effect of Practical Experience, Knowledge of Job Opportunities, Teacher Professionalism and Work Motivation on Work Readiness Darul Prayogo; Andy Wahyu Hermanto; F. Pambudi Widiatmaka; Dwi Prasetyo; Sugiyarto Sugiyarto
Jurnal Iqra' : Kajian Ilmu Pendidikan Vol. 7 No. 1 (2022): Jurnal Iqra' : Kajian Ilmu Pendidikan
Publisher : Institut Agama Islam Ma'arif NU (IAIMNU) Metro Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25217/ji.v7i1.2062

The main problem faced by the education world is the low employment level for graduates of Vocational Senior High Schools (SMK). Ideally, there should be 80% to 85% graduates that should be directly admitted to the work forces, but up till now this percentage is approximately only 61%. The article analyze how the effect of Practical Experience, Knowledge of Job Opportunities, Teacher Professionalism and Work Motivation on Work Readiness at Vocational High School (SMK) Semarang Automotive mechanical expertise program. The research sample was taken using cluster proportional random sampling. Data were collected by questionnaires and documentation. Based on a preliminary test on grade XII students of Mechanical Automotive of SMK found that there were 36 valid problems and 18 invalid ones in the questionnaires. These problems were then refined and reduced proportionally to only 40 according to the existing sub-factors. After being e-tested the instrument produced a validity score higher that the table r (0.334). It meant that the instrument was valid and could be used as an appropriate tool for tests. The data were analyzed using percentage-descriptive analyses. The total effect of experiences in practices on the readiness of the students to enter the existing wok force was 2%, the total effect of students’ knowledge about employment was 3.04% and the total effect of teachers’ professionalism was 2.63%. Based on the above findings, it can be concluded that there were effects of experiences in academic practices, of students’ knowledge about the existing employment, of teacher professionalism and of students’ motivations for work on readiness to enter the work forces. Collectively, these four factors contributed 30.6% of the total effect, while the remaining 60.4% of the total effect was due to by some other factors not investigated in this research. Keywords: Practical Experience, Teacher Profesionalism, Work Readiness

Identifikasi Menurunnya Tekanan Kompresi Pada Main Air Compressor Di MV Hijau Samudra Farin Arfianto, Farin Arfianto; Prayogo, Darul; Yuntoro, Kresno
Indonesian Journal of Marine Engineering Vol 2 No 2 (2025): August
Publisher : Politeknik Ilmu Pelayaran Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46484/ijme.v2i2.1013

Main air compressor is an auxiliary tool for the ship's main engine that functions to produce compressed air. Compressed air is needed in ship machinery that supports the entire ship's operational system. Main air compressor has a vital role in the ship's motion process, therefore if there is a decrease in compression pressure which causes reduced productivity of compressed air produced by the main air compressor, of course, it will hamper the entire operational process on the ship. Factors causing the compression pressure in the main air compressor to decrease are leaks in the valve material, broken piston rings, and dirty air filters. This can occur due to negligence of maintenance on these components. The impact of the decrease in compression pressure on the main air compressor is the disruption of the entire ship's process because of the reduced supply of compressed air. Efforts that can be made to anticipate this can be done by doing routine cleaning of the valve spring with lapping techniques. Maintenance and checking of the main air compressor must be carried out in accordance with the SOP and manual book. If there is damage to the component and it is not suitable for use, it must be replaced immediately.

Analisis Deskriptif Lo Cooler Gearbox Pada Mesin Induk di Km. Binaiya Valentino, Yunan; Darul prayogo; Retno haryanti
Indonesian Journal of Marine Engineering Vol 2 No 2 (2025): August
Publisher : Politeknik Ilmu Pelayaran Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46484/ijme.v2i2.1263

Maritime transportation plays a vital role in supporting Indonesia’s economy as an archipelagic nation. One of the crucial aspects of maintaining ship operations is the lubrication system of the main engine gearbox, which uses a Lo Cooler as an auxiliary device to cool the lubricating oil. This research employs a descriptive qualitative method through direct observation, interviews with the First Engineer and Chief Engineer (KKM), and documentation during sea practice on KM. Binaiya. The findings show that the main causes of leakage include cracked Lo Cooler tubes due to corrosion and sediment buildup, unstable lubricating oil pressure, elevated oil temperatures, and improper gasket installation. The handling efforts include regular maintenance, maintaining proper oil pressure and temperature, and repairing damaged tubes and gaskets. This research highlights the importance of routine inspections and lubrication system maintenance to prevent serious disruptions in ship operations.

Loading and Unloading Problems : Oil Prodcut with Stern Line Bunkering on MT. B Ace Arisetya, Al - Ikhsani Ilham; Sapan, Yustina; Prayogo, Darul
Jurnal Navigsi Maritim Vol 2 No 2 (2025): Edisi Agustus 2025
Publisher : Politeknik Ilmu Pelayaran Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46484/ijns.v2i2.1017

Abstract: The Stern Bunkering process often encounters challenges, such as delays in fuel transfer, technical issues with equipment, or inconsistencies between operational procedures and field conditions. This study focuses on identifying the causes of delays and providing solutions to mitigate these challenges during bunkering operations on MT. B ACE. The research method of this thesis is qualitative descriptive. Data sources are taken from primary and secondary data. Data collection techniques using field research which includes interviews, observation and documentation so that data validity techniques are obtained. Data analysis techniques using Miles and Huberman which include data collection, data reduction, data presentation and conclusion drawing. The findings reveal two main factors causing delays in Oil Product loading and unloading through Stern Line Bunkering: internal and external factors. Internal factors include insufficient crew familiarization with safe loading and unloading methods, inadequate safety meetings, and technical issues such as entangled Towing Lines and Bunkering Hoses. External factors include unfavorable weather conditions, poor communication with receiving vessels, and limited bunkering facilities on purse seine fishing vessels. Keywords: Loading and Unloading, Operational Challanges, Stern Line Bunkering

The Effect of CLS (Collecte Localisation Satellites) Application Use and Operator Readiness on Ship Monitoring Effectiveness at PT Sinarmas LDA Maritime Putrie, Mayang Felishia; Indriyani, Kristin Anita; Prayogo, Darul; Anggrahini, Wahyu Prasetya; Sulistiyowati, Ely
Dinamika Bahari Vol 6 No 2 (2025): October 2025 Edition
Publisher : Politeknik Ilmu Pelayaran Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46484/db.v6i2.1084

The aim to be achieved in this research is to determine the significant influence of the use of the CLS (Collecte Localisation Satellites) application and operator readiness on the effectiveness of vessel monitoring at PT Sinarmas LDA Maritime. This research employs a quantitative method. Data collection techniques involve distributing questionnaires to respondents. The sampling technique applies Slovin’s formula, resulting in a final sample of 40 respondents who use the CLS application services. The data analysis method applied involves multiple linear regression, utilizing two independent factors and one dependent factor. The data is processed through multiple linear regression, incorporating classical assumption testing and hypothesis evaluation. As indicated According to the study results, the F-test indicates that the calculated F-value exceeds the F-table value (81.678 > 3.25), indicating that the use of the CLS application and operator readiness significantly influence the effectiveness of vessel monitoring. The findings conclude that in this study, the variables of CLS application usage and operator readiness (X1 and X2) have an impact on vessel monitoring effectiveness.

Pursuing Maritime Education in Digital Era: Students’ Voices Pratiwi, Damar Isti; Prayogo, Darul; Runadi, Taruga
Jurnal Pendidikan Progresif Vol 13, No 3 (2023): Jurnal Pendidikan Progresif
Publisher : FKIP Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar

Pursuing maritime education in digital era: students voices. Technology advancement shifts maritime education's focus from theoretical concepts to practical action. Therefore, this study investigated the perspectives of vocational students and the obstacles during undertaking degrees in maritime institution. It engaged 200 students from an Indonesian maritime college, which employed a mixed-method research design using closed and open-ended questionnaires. The results of quantitative data revealed students’ high acceptance in pursuing maritime education, which was affected by five factors: high-qualified education, friends, practical skill, economic motif, and job availability. The qualitative data showed challenges regarding financial problems, time management, adaptation, technological development, and foreign language problems. Some possible solutions considered scholarships, having peers, being selective in joining campus activities, and improving skills and knowledge. Hence, maritime institutions should improve their qualification in the digital era. Students have to be equipped with technology-practical-based skills to become professionals in the maritime sector. Keywords: education, maritime education, pursuing education, digital era.DOI: http://dx.doi.org/10.23960/jpp.v13.i3.202321

Manajemen Hybrid Learning Politeknik Ilmu Pelayaran Semarang Darul Prayogo; Supendi, Supendi; Antoro, Dwi; Huda, Samsul; Fitrianingsih, Ariyanti; Surjaman, Febria; Purwantono, Purwantono; M. Choeroni, M. Choeroni; Sugiyarto, Sugiyarto
Media Manajemen Pendidikan Vol 6 No 3 (2024): Februari 2024
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/mmp.v6i3.17028

The COVID-19 pandemic has changed human behavior, including education. Politeknik Ilmu Pelayaran Semarang is one of those who feel the impact of the pandemic. Adjustments to education management are made to improve and ensure learning can occur properly. Online learning is not new, but the pandemic has made digital learning directly used as a solution to overcome this. Using a case study approach, this paper presents our experience in organizing online education at the Politeknik Ilmu Pelayaran Semarang. The results showed that although online learning can be used in teaching and learning activities during the pandemic, it has not been able to replace practical learning. As the COVID-19 pandemic declines in Indonesia, the author wants to create one that can contribute to learning in the future. Using learning recordings with simulators, practicum recordings, and theoretical learning recordings is expected to help to learn.

Manajemen Praktek Laut Menggunakan VOSviewer Darul Prayogo; Ari Putri, Indira; Kurnianing Sari, Dian; Wasianto, Wawan; Yuli Aryani, Desy; Runadi, Taruga
Media Manajemen Pendidikan Vol 7 No 1 (2024): Juni 2024
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/mmp.v7i1.17065

Praktek atau magang diatas kapal disebut juga dengan praktek laut, merupakan tahapan pendidikan formal Pendidikan Diploma IV Pelayaran yang dilakukan selama satu tahun. Penelitian ini bertujuan untuk melakukan analisis bibliometrik terhadap praktek laut menggunakan perangkat lunak VOSViewer. Hal tersebut dilakukan karena belum diketahui seberapa besar penelitian tentang praktek laut. Penelitian ini adalah penelitian untuk melakukan analisis bibliometrik pada database Google Scholar pada periode tahun 2019-2023 menggunakan software VOSViewer. Bibliometri digunakan sebagai metode untuk mengevaluasi dan mengukur dampak publikasi ilmiah dalam domain praktik laut menggunakan aplikasi VOSViewer pada database Google Scholar. Data bibliografis diperoleh dari sumber-sumber terkait, dan VOSviewer digunakan untuk memvisualisasikan pola keterkaitan antara konsep-konsep kunci dalam literatur. Analisis ini membantu mengidentifikasi tren penelitian, kolaborasi antar peneliti, dan fokus utama dalam studi praktek laut. Berdasarkan hasil penelitian dengan kata kunci praktek laut, ditemukan sejumlah 200 artikel relevan yang diterbitkan dalam periode tahun 2019-2023. Hasil analisis bibliometrik ini mengungkapkan evolusi topik dalam literatur, memungkinkan pemahaman mendalam tentang perkembangan dan tren riset. Peta keterkaitan konsep memfasilitasi identifikasi kluster penelitian yang berkaitan erat dan mendukung pengembangan pemahaman lintas disiplin. Selain itu, analisis kolaborasi antar peneliti melibatkan identifikasi faktor kunci yang berkontribusi pada penelitian tentang praktek laut. Berdasarkan hasil pemetaan tersebut, terlihat bahwa bidang praktek laut masih terbuka untuk dilakukan penelitian yang lebih baru dan dimungkinkan dapat dikaitkan dengan variabel lain sehingga menghasilkan penelitian lain. Penelitian lanjutan dengan tema praktek laut masih terdapat beberapa kebaruan dengan berbagai tema diantaranya, otomasi kapal, manajemen praktek laut, pengelolaan praktek laut, fenomena kapal, perusahaan pelayaran, link and match, dan manajemen praktek lainnya.

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