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INDONESIA
Jurnal Sains Teknologi Transportasi Maritim
Published by Akademi Maritim Suaka Bahari Cirebon
ISSN : 26849135     EISSN : 27221679     DOI : https://doi.org/10.51578
Core Subject : Science, Engineering,
Decision Sciences, Operations Research & Management Energy Transportation
Jurnal Sains Teknologi Transportasi Maritim (Jurnal Sitektransmar) merupakan jurnal yang memfokuskan kemaritiman dan memfasilitasi bagi para teknisi, pemerintah, pendidik, ilmuwan, peneliti, dan operator dan praktisi perkapalan, pemerhati lingkungan kelautan, dan penggiat pariwisata pantai dan laut, menejemen transportasi laut. Membahas tentang perkembangan teknologi, keteknikan, sains, dan menejemen transportasi laut dan kepelabuhanan. Topik yang dibahas diantaranya sains dan teknik perkapalan, nautika, navigasi, sistem pengerak mesin kapal, energi dan energi terbarukan kelautan, metodologi desain dan operasional kapal, produk teknologi dan pemerliharaan kapal, sistem dinamika dan kendali, sains material, kepelabuhan dan menejemen transportasi laut, pariwisata pantai dan laut, ekowisata kemaritiman, logistik, dan perusahanan pelayaran dan di bidang pendidikan vokasi kemaritiman.
Arjuna Subject : Teknik (semua kategori) - Teknik Kelautan
Articles 94 Documents
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Identifikasi Kenaikan Suhu Minyak Lumas Pada Motor Induk di MV. Manalagi Dasa Hermanto, Andy; Pradana, Wisnu; Widiatmaja, Arya
Nama Jurnal Akmi Vol 6 No 1 (2024): Jurnal Sitektransmar Mei 2024
Publisher : LPPM AKMI SUAKA BAHARI CIREBON

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51578/j.sitektransmar.v6i1.84

Abstract

Lubrication is one aspect that must be paid attention to, remembering that if there is a delay in lubrication or imperfect lubrication, it will result in damage to the parts that rub together. Low lubricating oil pressure is one of the factors causing imperfect lubrication in the engine. The purpose of lubrication for the performance of the main engine is to reduce friction between other components of the main engine. This research was carried out at MV. Manalagi Dasa, the method used in this research was the Fishbone Diagram. The problem formulation of this research is what causes an increase in the temperature of the lubricating oil on the main motor and what is the impact of increasing the temperature of the lubricating oil on the main motor. Based on research that has been carried out, there are several factors that cause less than optimal lubrication of the oil cooler on the main engine, namely engine factors including damage to gaskets, human factors, namely the lack of understanding of the driver about the lo cooler, operational and maintenance method factors, namely incompatibility in implementing the PMS (Plan Maintenance System) as well as environmental factors, namely dirty sea chest filters. Efforts made include repairing or replacing gaskets on the lo cooler plate, the importance of the machinist's understanding of the lo cooler, implementing PMS (Plan Maintenance System), and cleaning the sea chest filter.
Comparative Analysis of Liquefied Natural Gas (LNG) Distribution Scheme using Milk-Run and Hub-Spoke Methods on Small-Scale LNG Carrier in Eastern Indonesia Muzhoffar, Dimas Angga Fakhri; Auzani, Ahmad Syihan; Altaf, Ahmad Nur; Putra, Aleg Restu Pridana; Wahyono, Condro Baskoro Jati
Nama Jurnal Akmi Vol 6 No 1 (2024): Jurnal Sitektransmar Mei 2024
Publisher : LPPM AKMI SUAKA BAHARI CIREBON

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51578/j.sitektransmar.v6i1.85

Abstract

Liquefied Natural Gas (LNG) has been seen as a promising alternative in the face of these challenges. However, attention remains focused on the efficiency of LNG distribution, especially in the face of unpredictable demand fluctuations. Currently, with demands for increasing distribution efficiency, Indonesia, one of the largest LNG producers in Southeast Asia, faces a particular challenge in achieving efficiency in meeting domestic energy needs. To address the problem, the Indonesian government has initiated a program to streamline energy infrastructure development, focusing on LNG distribution in Eastern Indonesia. The study will use two distribution schemes, Milk-Run and Hub-Spoke, with different types of ship capacity to calculate operating costs. This study focuses on comparing the effectiveness of the two popular distribution schemes, the Milk-Run and the Hub-Spoke, especially in optimizing LNG distribution in the area. The data in this study was obtained from institutions that openly publish data in a digital system. The findings suggest that the Milk-Run distribution scheme was identified as an optimal solution for LNG delivery to multiple points from a single source for Northern and Southern Papua. The results of this study are expected to provide practical guidance to the parties concerned in their efforts to improve the efficiency of LNG distribution in eastern Indonesia and further study in other regions of Indonesia.
Efforts To Optimize Loading and Unloading Equipment Setiyantara, Yudhi; Astriawati, Ningrum; Kusuma, Ade Chandra; Widyanto, Handoyo; Kristianto, Lukas; Kusuma, Arif Agus Budiawan
Nama Jurnal Akmi Vol 6 No 1 (2024): Jurnal Sitektransmar Mei 2024
Publisher : LPPM AKMI SUAKA BAHARI CIREBON

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51578/j.sitektransmar.v6i1.87

Abstract

The purpose of this study is to determine the efforts made to optimize loading and unloading equipment to facilitate loading and unloading in MV. Isa Golden. The method used in this study is qualitative descriptive. The results of the study include efforts made to optimize the maintenance of loading and unloading equipment by planning loading and unloading maintenance on a scheduled basis by following the maintenance checklist that has been determined by the ship management, evaluating at safety meetings or deck meetings to provide solutions to problems if found and provide answers or solutions to each problem,  Make coordination in parts of the organization in dividing 2 (two) groups in loading and unloading equipment maintenance activities or other maintenance so that it can run well following the job description. Mualim I is obliged to compile crane spare parts to make it easier to supervise spare parts that are not available. View lists of equipment and spare parts that expire and make replacements if there is equipment that expires or is used by making and submitting a list of spare parts requests to the company
Jumping Ship Crew In Cruise Ship Crew Recruitment At PT. CWT Nabila Nurul Ikhlas; Mustain, Iing; Abdurohman; Darsono, Nono
Nama Jurnal Akmi Vol 6 No 2 (2024): Jurnal Sitektransmar November 2024
Publisher : LPPM AKMI SUAKA BAHARI CIREBON

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51578/j.sitektransmar.v6i2.80

Abstract

The purpose of the study was to determine the flow of the cruise ship crew recruitment process at PT. CWT, to find out what obstacles are experienced when recruiting cruise ship crew, and to find out a crew to meet the targets of the Norwegian Cruise Line. The study used a qualitative descriptive approach to case studies in the selected objects. Data collection in the study used data triangulation, namely observation, interviews, and documentation. The object of the study is PT. CWT Bandung. The results of the study were obtained. There are several factors that make crew take a long time to join or even cancel joining due to several factors that still often occur. The factors found in the recruitment process for ship crew at PT. CWT are often incomplete document requirements from the crew who apply or there are still many crew who are not proficient in English because they are required to take a marlin test whose results must be 70% and the interview must also be in English. Efforts were made to meet the target of Norwegian Cruise Line to always fill every position that was needed, seeking relations such as shipping schools to be informed that there were vacancies for certain positions that were needed.
Implementation Of Ship Certification Inspection By KSOP Class I Banten Pabian, Dwi Aura; Nurul Muharani; Alivia Najwa; Salsa Amalia; Sonya Ritta Sitinjak; Alva Bagus PrihadhiLahagu; Syfia Fajar Maulani; Rubby Rahman Tsani
Nama Jurnal Akmi Vol 6 No 2 (2024): Jurnal Sitektransmar November 2024
Publisher : LPPM AKMI SUAKA BAHARI CIREBON

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51578/j.sitektransmar.v6i2.88

Abstract

In the waters of Banten, there are still many fishing vessels that should be required to have a certificate but do not have a certificate and have carried out shipping activities, the shipping activities carried out are illegal because they do not have a sailing permit, To get a sailing permit the ship owner must have a ship certificate. Therefore, the purpose of the study is to find out the implementation of ship inspection activities by marine inspectors at the Banten Class I Port Authority and Municipal Office, in order to find out what causes ships that do not have certificates. This study uses a descriptive qualitative method, as well as an interview method to obtain primary data through direct questions and answers with KSOP employees, and uses secondary data in the form of Ship Inspection SOPs and Study Literature. By increasing socialization about the importance of ship certification to ship owners through seminars, training, or socialization. KSOP can also expand information services through websites and call centers to make it easier for ship owners in the certification process.
Analysis Of Not Rotating Valve Rotator On Main Engine Performance In KM. LABOBAR Dewantoro, Pamungkas Ade; Narto, Amad; Utari, Riyadini
Nama Jurnal Akmi Vol 6 No 2 (2024): Jurnal Sitektransmar November 2024
Publisher : LPPM AKMI SUAKA BAHARI CIREBON

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51578/j.sitektransmar.v6i2.92

Abstract

The main engine serves as the primary power source for propelling the ship forward and backward. This engine operates on an internal combustion system, where fuel and air are compressed in the combustion chamber to generate thermal energy, which is then converted into mechanical energy through piston movement. This study employs a qualitative descriptive method with SHEL data analysis techniques, identifying the causative factors, impacts, and corrective measures associated with the non-rotation of the valve rotator in the main engine. The findings indicate that the primary cause of the valve rotator's non-rotation is improper installation of the valve collet and wear on the valve rotator body, which affects valve performance and reduces the overall efficiency of the main engine. Corrective actions include replacing the valve rotator and performing routine lubrication checks to prevent further damage.
Analysis Of Exhaust Volume Reduction In Oily Water Separator At SS. GOLDEN ISAIA Muhammad Daffa; Hermanto, Andy; Kresno Yuntoro
Nama Jurnal Akmi Vol 6 No 2 (2024): Jurnal Sitektransmar November 2024
Publisher : LPPM AKMI SUAKA BAHARI CIREBON

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51578/j.sitektransmar.v6i2.93

Abstract

An oily water separator is an auxiliary engine on board that is used to prevent the mixing of oil and water with density differences. The oily water separator is very important on board for the separation of the ship's bilges from oil content which can pollute the marine ecosystem. This matter also fulfills the requirements of MARPOL 73/78 Annex 1 when the researcher carried out a sea project on SS. Golden Isaia, The researcher found the abnormality of the oily water separator. There was a decrease in its discharge volume, in which the normal flow was 5 m 3 / hour, which became 1 m 3 / hour. The purpose of this research was to determine the causal factor of oily water separator decreasing discharge volume on SS. Golden Isaia, evaluate the impacts, and the efforts to solve this oily water separator decreasing discharge volume on SS. Golden Isaiah. This research uses a descriptive qualitative method by applying a fishbone diagram analysis model. Data collection techniques include observation, interviews, and literature review. The interviews involved three informants, there chief engineer the one responsible for all machinery on board, the second engineer whose responsible for the oily water separator, and oiler 1 as the second engineer's assistant. The research results conclude that the causal factors of oily water separator decreasing discharge volume such as the lack of pressure of the oily water separator feed pump, dirty process filter due to accumulated dirt, and unavailability of oily water separator maintenance history. The efforts to solve this oily water separator decrease discharge volume on SS. Golden Isaia such as the change of a feed pump set with the new one, cleaning the strainer and replacing the filter bag, and the documentation of repair and maintenance.
Analytical Approach To Mechanical Damage Of Reefer Container On MV. Cap San Juan: Case Study And Optimization Recommendations Andromeda, Farrel; Wibowo, Wahju; Nurhidayati, Indah
Nama Jurnal Akmi Vol 6 No 2 (2024): Jurnal Sitektransmar November 2024
Publisher : LPPM AKMI SUAKA BAHARI CIREBON

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51578/j.sitektransmar.v6i2.96

Abstract

Ships used for shipping goods, especially on the MV. Cap San Juan there are things that must be considered, one of which is the reefer container which has strict maintenance and control to know that the reefer container can work optimally. In this case the reefer container has a risk of damage to its components so that the reefer container does not function as it should. Therefore, it is necessary to discuss as a form of effort in handling if damage occurs and unwanted obstacles occur. This study aims to determine the causes and effects of mechanical damage to reefer containers on ships and to find out how to overcome reefer containers that experience mechanical damage on the high seas based on field conditions. The research method used is a qualitative method using data collection techniques through observation, interviews and documentation regarding the handling of reefer containers when problems occur. Based on the results of observations made by the author regarding the various obstacles that occur in reefer containers during sea practice, there are two causes, namely component damage because it has passed the time limit for use and an electrical short circuit in one of its components which causes the reefer container to not be able to work optimally. This happened because there was no thorough checking and lack of maintenance.
Return On Investment Of An Open Loop Wet Scrubber On A Dry Bulk Carrier Muzhoffar, Dimas Angga Fakhri; Prasetio, Mathias Bimo; Santoso, Muhammad Agung; Nugraha, Muhammad Irfan Septian; Jamil, Muhamad Sabran
Nama Jurnal Akmi Vol 6 No 2 (2024): Jurnal Sitektransmar November 2024
Publisher : LPPM AKMI SUAKA BAHARI CIREBON

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51578/j.sitektransmar.v6i2.97

Abstract

With the increasing global focus on emission reduction in the maritime industry, this study evaluates the decision to implement an Open Loop Wet Scrubber system on a 50,000 DWT Bulk Carrier. The primary objectives of this research are to assess the role of scrubbers in supporting operational efficiency and compliance with MARPOL Annex VI regulations, to determine the optimal timing for scrubber installation to minimize financial risks before ship retirement and to compare the economic efficiency of using scrubbers with high sulfur fuel oil (HSFO) against using low sulfur fuel oil (LSFO) without scrubbers. Through operational simulations on coastal and ocean-going routes, the analysis identifies potential savings, calculates return on investment (ROI), and determines the break-even point (BEP). The results indicate that the installation of an Open Loop Wet Scrubber offers significant long-term savings, with the payback period varying based on route selection and fuel strategy. This research provides critical insights for shipping companies seeking to enhance their competitiveness by balancing compliance with environmental regulations and operational efficiency.
Implementation Of Handling Imported Goods Activities In The Bonded Warehouse Of PT. Sunjaya Mentari Abadi Semarang Noni Fitri Febriana; Pambudi, M Aji Luhur; Ali Khamdilah
Nama Jurnal Akmi Vol 6 No 2 (2024): Jurnal Sitektransmar November 2024
Publisher : LPPM AKMI SUAKA BAHARI CIREBON

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51578/j.sitektransmar.v6i2.99

Abstract

This research aims to optimize the handling of imported goods and the management of fabric documents to improve the quality of bonded warehouse services at PT Sunjaya Mentari Abadi Semarang. The method used in this study is a qualitative approach with descriptive analysis, which involves direct observation, interviews, and documentation studies. This study identifies inefficiencies in handling goods and document management and their impact on service time and customer satisfaction.  The results show that implementing optimization strategies, including increased coordination between departments and using more efficient information systems, can significantly improve the quality of bonded warehouse services. The study recommends system improvements that reduce wait times, improve document accuracy, and improve customer satisfaction. These findings are expected to be the basis for companies to formulate better policies in managing imported goods and documents

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