Jurnal Bahari dan Teknologi (BARTEK) merupakan jurnal pelayaran / jurnal maritim yang diperuntukkan untuk publikasi artikel hasil penelitian ataupun kajian ilmiah. Jurnal ini diperuntukkan untuk bidang ilmu NAUTIKA, TEKNIKA, Permesinan Kapal, Operasional Kapal, Kelistrikan, system kontrol. Terbit pada bulan Februari dan bulan Agustus.
Analisis Gangguan Kerja Potensiometer Pada Modul Kendali Steering Utama Type Rexpeller MV. Fanny
Modern ship steering systems utilizing Rexpeller Thrusters rely heavily on the accuracy of position sensor readings, particularly potentiometers. This study analyzes signal disturbances in the potentiometer of the MV Fanny steering system, characterized by instability in resistance and output voltage. A qualitative descriptive research method was employed. Measurement results indicate voltage spikes at 50° and drops at 90°, as well as resistance anomalies at 70° and 110°. These disturbances cause the control system to receive erroneous thrust position data, triggering unnecessary automatic corrective commands, known as “self-moving steering.” Resistance–voltage versus angle plots reinforce the indication of localized damage on the potentiometer’s resistive track. System simulation shows that the error signals activate the ECU, causing continuous corrective actions. The implications of this research reveal that potentiometer instability poses a serious threat to ship operational safety by inducing uncommanded rudder movements and reducing control accuracy. This underscores the necessity of upgrading sensor technology from analog potentiometers to more reliable feedback devices and implementing periodic signal monitoring. Academically, the study contributes to the development of electrical engineering knowledge by establishing the relationship between sensor degradation and control instability. Inspection findings confirm that potentiometer faults significantly disrupt ship navigation, thus requiring recalibration, physical inspection, component replacement, and the implementation of redundant sensor systems to ensure steering reliability and safety.
Copyright (c) 2025 JURNAL BAHARI DAN TEKNOLOGI (BARTEK) https://creativecommons.org/licenses/by-sa/4.0
A Quantitative Study on the Effect of Waste Management and Handling Plans on Marine Pollution in MV. Zaleha Fitrat
Marine pollution due to shipping activities is a pressing environmental issue, particularly related to waste management on board ships. This study aims to analyze the influence of the Garbage Management Plan (GMP) and waste handling on the level of marine pollution on the MV Zaleha Fitrat. Using a descriptive quantitative approach, data were obtained through a survey of 23 crew members using a questionnaire covering GMP implementation, waste handling, and perceptions of marine pollution. The results showed that the implementation of GMP and waste handling were mainly in the high category, at 56.52% and 52.17%, respectively. Meanwhile, the level of marine pollution perceived by the crew was mainly in the low category (60.87%). These findings indicate that proper implementation of GMP and proper waste handling procedures can reduce the level of marine pollution. Therefore, improving crew understanding and monitoring the implementation of waste management procedures are key to mitigating marine pollution in the shipping sector.
Pengaruh Pelaksanaan Tank Cleaning dan Kemampuan Kru Terhadap Proses Efisiensi Bongkar Muat di Kapal MT. Pancaran 120
This research aims to analyze the influence of tank cleaning implementation and crew capabilities on loading and unloading efficiency on MT ships. PANCARAN 120. The author uses a quantitative approach and uses descriptive research methods to present findings based on the data collected. Questionnaires were used as a data collection tool in this research, which involved 20 respondents from the MT crew. beam 120, The data obtained were analyzed using validity tests, reliability tests, normality tests, multicollinearity tests, heteroscedasticity tests, simple correlation analysis, simple linear regression analysis, T test, F test and R square test with the help of the SPSS version 26 programming base. The results of the analysis show that proper implementation of tank cleaning and crew capability have a significant influence on loading and unloading efficiency. From the results of this research, it can be concluded that proper implementation of tank cleaning and increasing crew capabilities contribute positively to loading and unloading efficiency at MT Pancaran 120. This research is expected to provide recommendations for tank cleaning implementers and loading and unloading managers to improve the loading and unloading process at MT. radiance 120.
Analisa Propeller Yang Tidak Balance dan Pengaruhnya Pada Kinerja Mesin di PT. Gamatara Trans Ocean Shipyard Cirebon
The propeller plays a crucial role in the maritime industry, particularly in ship propulsion systems. However, it often experiences low performance, commonly due to imbalance. So this research aims to determine the damage and handling of unbalanced propellers and their solutions. An early indication of this problem is unstable rotation, which is generally caused by component damage or imbalance. This research highlights the damage found in the propeller and its shaft. The findings reveal significant erosion, wear, and cracking, particularly on the inner part of the shaft and the propeller blades. These damages result in imbalance, which negatively impacts other components and the overall propulsion performance. To address this issue, technical inspection and clarification by the Indonesian Classification Bureau (BKI) are necessary to ensure safety and restore the optimal function of the ship’s propulsion system.
Pengaruh Perawatan Man Hole dan Pemahaman Prosedur Enclosed Space Terhadap Keselamatan Kerja Crew di Kapal MV. Tanto Jaya
This study aims to analyze the influence of manhole maintenance and the understanding of enclosed space procedures on the safety of the crew aboard the MV. Tanto Jaya. Manholes and enclosed spaces are areas with high potential risks in ship operations, particularly concerning exposure to hazardous gases and oxygen deficiency. Therefore, proper manhole maintenance and a good understanding of safety procedures are crucial factors in preventing accidents. The research method used is a qualitative approach, involving interviews with the ship's crew. The results of the study show that optimal manhole maintenance and sufficient understanding of enclosed space procedures significantly influence the improvement of work safety on the ship. Crews with a good understanding of safety procedures and regular training on manhole maintenance show lower accident rates. This research is expected to contribute to efforts to improve work safety standards on ships, especially in risk management related to enclosed spaces and manhole maintenance.
Strategi Pencegahan dan Penanggulangan Terjadinya Karat pada Geladak Utama di Kapal MV. Latifah Baruna
Rust on the main deck of a ship is a serious problem that can disrupt the safety and operational performance of the ship. The MV. Latifah Baruna, which operates in waters with tropical climate conditions, faces challenges related to rust on the main deck that has the potential to accelerate damage to the ship's structure. This problem is often caused by environmental factors such as high humidity, drastic temperature changes, and exposure to salty seawater. The impact of this rust not only reduces the durability of the ship's structure, but also has the potential to increase significant maintenance costs. The analysis methods used in this study include observations of the condition of the ship's main deck, interviews with related parties, and literature or documentation studies.The analysis focuses on the implementation of effective preventive strategies, such as maintaining the strength of the ship's construction structure, routine maintenance and cleaning, and temperature and humidity control. In addition, countermeasures against rust that has occurred through structural repair techniques are also discussed to ensure the integrity of the ship's main deck is maintained, such as preventing the recurrence of rust, cleaning and removing rust, and using rust converters. And main deck maintenance is carried out by knowing the level of crew safety, cleanliness and regularity conditions, and maintenance and care of the main deck. The conclusion of this study shows that the implementation of a comprehensive preventive strategy and routine monitoring of the condition of the ship's main deck can reduce the potential for damage due to rust. The use of rust-resistant materials, as well as training the ship's crew in preventive maintenance are also key factors in reducing maintenance costs and increasing the life of the ship.
Evaluasi Peran Push Rod sebagai Perangkat Protektif Pasif pada Valve Train Mesin Diesel
The push rod is a critical component connecting the camshaft and rocker arm in diesel engine valve systems. Besides transmitting force, it can function as a safety device by undergoing deformation under excessive load, preventing further damage to the rocker arm. This study aims to evaluate the protective function of the push rod based on field observations on the NINGBO N6160ZLCD6 diesel engine aboard MV Gulf Mas. The methodology includes measuring push rod bending angles, compression testing to determine deformation thresholds, and comparing push rod torque with rocker arm bolt torque. The results indicate gradual deformation of the push rod from 3° to 4°, with a significant deformation increase beyond 30 Nm. The push rod's working torque (34 Nm) is lower than the standard torque for rocker arm bolts (45 Nm), although field measurements show several bolts were tightened below the standard. These findings suggest that the push rod acts effectively as a controlled weak point (mechanical fuse), but system performance also depends on the integrity of bolt fastening.
Analisis Pecahnya Windlass Hydraulic Motor di Kapal MV. Lumoso Aman
During the author's observation on the MV. Lumoso Aman, a ship in Sulawesi waters, more precisely in Bahodopi in 2023, there was damage to the hydraulic motor windlass when raising anchor in the middle of the sea and the ship's maneuvering process was delayed. This study aims to analyze the main causes of the rupture of the windlass hydraulic motor, analyze the impact on hydraulic motor damage, and prevention and maintenance methods to maintain the efficiency of ship maneuvering and loading and unloading. The research method used is a qualitative case study by conducting direct research on the MV. Lumoso Aman. The method for data collection uses 3 techniques, namely by conducting observation, documentation, and interviews. This observation was carried out on the MV. Lumoso Aman. This documentation takes photos of activities related to the incident. Interviews were conducted after the incident by taking information from electrical and machinist II. The data analysis method uses a qualitative descriptive approach by concluding various opinions, data and literature. The results of the study showed that damage to the hydraulic motor hampered ship maneuvers and loading and unloading at the port. When the hydraulic system is clogged, hydraulic oil cannot flow into the system and affects the hydraulic motor and other components. Blocked oil pressure can cause excessive heat in the hydraulic motor and at worst can be damaged. To overcome this problem, preventive measures are needed such as regular maintenance, implementation of a monitoring system on the windlass components and cleaning the hydraulic filter.
Analisis Kerusakan Main Engine Reversing Type Angker bar Pada Kapal MT. Alice XXV
During the author's observation on the MT. Alice XXV vessel, an issue occurred where the ship was unable to reverse. This incident was suspected to be caused by a jammed component in the pneumatic system. The objective of this study is to analyze the main cause of the vessel's inability to reverse, as well as the prevention and handling methods to maintain operational efficiency. This research is qualitative in nature. The instruments examined include the air starting system and the pneumatic control system. Data collection methods consist of direct observation in the engine room, interviews with the ship's crew, and technical data collection. A descriptive qualitative data analysis approach was used. Additionally, an analysis was conducted on the scale buildup in various pneumatic components and the factors affecting its formation rate. The results of the study indicate that MT. Alice XXV was unable to reverse due to a jammed pneumatic component, caused by scale buildup in the pneumatic system, which impeded the transmission of the command signal to the reversing system. The scale was caused by water particles entering the pneumatic system due to condensation of air inside the air bottle. High humidity in the air bottle led to condensation and the accumulation of water within it. To address this issue, preventive measures such as regular draining of the air bottle and cleaning of pneumatic filters are required.
crust, valve pneumatic, distributor valve, ship maintenance, condensation in the recervoir air tank.
Kajian Kerusakan dan Penanganan Derajat Kemiringan Propeller CPP pada Kapal Tanker MT. Keoje Kirin
A Controllable Pitch Propeller (CPP) is a propeller that can adjust its pitch as needed for forward or reverse movement through a hydraulic oil system. The condition of components within the CPP system greatly affects propeller performance; damage to a single component can disrupt operation, necessitating regular maintenance. This study uses a combined SHEL and USG method to analyze the factors causing the propeller to not function optimally, the impact, and mitigation efforts. The study was conducted on the MT. Keoje Kirin vessel (August 31, 2016 – October 23, 2017) and identified four main factors causing the issues: malfunctioning Oil Distribution Box (ODB), a tight operational schedule, lack of crew skills, and suboptimal implementation of Standard Operating Procedures (SOPs). Recommended solutions include scheduled PMS maintenance, ODB repairs, laboratory testing of hydraulic fluid quality, crew training before boarding, and the development and implementation of appropriate SOPs.
Analisis Penyebab Oil Spill Dan Pelaksanaan Contigency Plan Dalam Penanganan Pencemaran di Laut
The purpose of this paper is to discuss the occurrence of oil spills at sea, handling of oil spills to prevent pollution of the marine environment. The causes of oil spills include ship operations including loading and discharging, grounding, collision, hull leaks, damage loading and unloading equipment, explosions or fires and other causes. Oil spills with a volume of 7-700 tons when collide 26 percent and due to ships aground 19 percent when ships are loading and unloading and bunkering. Oil spills a volume of >700 tons occurred when the collided 30 percent aground 31 percent. To reduce the impact of oil spills, the implementation of the oil spill contigency plan (OSCP) carried out. Implementation of the contigency plan include teamwork, data collection, assessment, use of equipment, supervision and monitoring, cooperation related parties and evaluation. The method is by collecting data by observation, and literature study. The discussion obtained data on the causes oil spills and countermeasures with contigency emergency plans. The resul this paper is analysis of the causes of oil spills and countermeasures. The conclusion is oil spills are caused by ship operations including ship accidents. And steps to minimize the potential for wider pollution by implementing an oil spill contigency plan.
Pengoprasian Gmdss di Kapal KN. Karimun Jawa dalam Menunjang Keselamatan Bernavigasi
The world of maritime transportation is very prone to accidents, whether caused by human factors or technical errors in transportation equipment. In the shipping world, GMDSS equipment is a system that must be owned by commercial vessels. One of the problems related to GMDSS is that many do not understand and master the operation of GMDSS properly, so it has the potential for problems. The purpose of this study is to understand the operation of GMDSS in order to reduce the potential for disasters at sea. The function and role of (GMDSS) in an emergency/disaster at sea is to increase safety or minimize the occurrence of casualties and facilitate rescue efforts for ships, if an accident or emergency occurs at sea. The methods used in this study are observation, interviews, and documentation. The conclusion of this study is that GMDSS ensures the merchant ship KN. Karimun Jawa to be able to communicate well in emergency situations. This system helps ships to immediately report emergency conditions to the authorities, speeding up responses, and saving lives.
Pengaruh Teknik Memuat dan Kompetensi Perwira Dek terhadap Efisiensi Penanganan Muatan Bijih Nikel di Pelabuhan Surigao Filipina
This study aims to analyze the influence of loading techniques and the competence of deck officers on the efficiency of nickel ore handling at Surigao Port, Philippines. The author employs a quantitative approach with a descriptive research method to present findings based on the collected data. A questionnaire is used as a data collection tool in this research, involving 8 respondents from the crew of MV. Amanah Sulawesi AMC. The obtained data are analyzed using validity tests, reliability tests, normality tests, linear regression analysis, T-tests, and F-tests, with the assistance of SPSS version 25. The analysis results indicate that effective loading techniques and the competence of deck officers have a significant impact on the efficiency of nickel ore loading. From the findings of this study, it can be concluded that the implementation of good loading techniques and the enhancement of deck officer’s competence contribute positively to the efficiency of cargo handling at Surigao Port. This research is expected to provide recommendations for the management of logistics and port operations to improve performance in handling nickel ore cargo.
Penurunan Tekanan Akibat Timbulnya Kerak Pada Pipa Inlet Pompa Sentrifugal di PDAM Rembang
The centrifugal pump is one of the auxiliary machines at PDAM Rembang, functioning to fill water into the treatment tank/reservoir. There are distribution issues in PDAM Rembang due to interruptions in water distribution to customers, causing customer discomfort. The methods used include data collection, observation, interviews, and literature review. The interview method involved the author questioning the relevant mechanical personnel. Broadly, the author used a qualitative descriptive approach to compile this scientific paper. The results of this research show that the main causes of the pump issues are the lack of pressure in the centrifugal pump due to a blocked inlet valve by mud crusts and leaks in the pipe installation, suction pipe packing, and pump filter. The solution is to equip the pump with filters made of iron or steel coated with stainless steel or brass to prevent corrosion and to block debris and solid substances. A decrease in water flow rate is caused by an increase in pump temperature, blockages in the impeller from soft or solid debris, which leads to impeller imbalance and wear, resulting in the pump not operating optimally. The solution is to replace the damaged impeller and any leaking or corroded pipes. Additionally, there is the issue of wooden branches and metal plates from the river being sucked into the pump, causing impeller wear, resulting in pump instability and pressure drops below the standard 2.0 bar on the pump’s manometer. The solution is for technicians to conduct regular cleaning, inspections, and maintenance every three weeks, ensuring the filter is intact without holes or damage, so debris can be effectively filtered out.
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Analisis Penyebab Terjadinya Kebocoran Kondensor pada Mesin Pendingin Ruangan di MV.Federal Oak
The air conditioning system in a room monitors the regulation of humidity and air temperature, with a focus on providing optimal levels of comfort for the ship's crew, thereby reducing fatigue and helping to improve fitness. Problems can arise and the vessel can be disrupted if maintenance schedules are not followed. Based on the researcher's experience during sea practice for 12 months on an MV ship. Federal Oak. When the ship entered summer and entered Mexico, the condenser leaked in the air conditioning engine, which disturbed the comfort of the ship's crew while working. This research aims to identify the causes, consequences, and solutions for condenser leaks in air conditioning systems. This research uses a qualitative description approach that uses Fishbone data analysis to organize and identify the factors that cause certain effects, then separate the root causes of the problem. This study found that deposits in the condenser pipe and air in the condenser are the causes of AC machine condenser leaks, dirty cooling water results in a decrease in the amount of freon that is condensed, and lack of maintenance and supervision will worsen the condition of the components. The impact of a condenser leak in an air conditioning machine is that room temperature cannot be reached because the freon, which should be converted into a liquid when it enters the condenser, actually experiences a shortage due to a leak that occurs in the condenser and a decrease in engine performance. Efforts to overcome leaks in air conditioning machine condensers include using a brush to clean dirt stuck to the capillary pipes and spraying water into the condenser pipes. Turn off the air conditioning machine and weld pipe joints that are leaking. Clean the condenser tube using a long iron. Carry out maintenance in accordance with the Plan Maintenance System.
Analisis Membran Filter Mikron Terhadap Produktivitas Reverse Osmosis Fresh Water Maker di MT. SC Warrior
MT. SC Warrior ship is a tanker designed to transport processed oil cargo on long-distance shipping routes. One of the main facilities to support ship shipping activities is the Reverse Osmosis (RO) Fresh Water Maker system. This equipment functions to produce fresh water with the main ingredient being sea water. The RO system utilizes a high pressure pump and a micron filter membrane as the main components in the process of converting seawater into fresh water. The problem with RO is a decrease in fresh water productivity, causing a fresh water deficit in the ship. The problem is caused by low hydrostatic pressure in the RO system, and the micron filter membrane's function is not optimal in filtering sea water. This condition disrupts ship operations where the availability of fresh water is insufficient in quantity. In order to avoid the same problems, proper preventive and corrective measures are needed. Planned maintenance according to PMS and correct procedures must be carried out properly and correctly, which is important in maintaining the performance of the RO system. The need for consistent and proper maintenance, it is hoped that the RO system can continue to function effectively to support ship operations without obstacles.
Pentingnya Peran Chief Officer Dalam Penanganan Bongkar Muat Kontainer di Atas Kapal
The purpose of this paper is to discuss the importance of the chief officer's role in the loading and unloading process on a ship. Loading and unloading containers on a ship must be carried out as well as possible, in relation to the safety of the ship, crew and cargo. Because the stability of the ship also depends on the handling of the cargo that has been arranged, so in this case the chief officer is responsible for everything related to loading and unloading. The chief officer is the head of the deck department, is one of the management levels of the four deck department officers who are directly responsible to the captain and is the second person in charge after the captain. One of the duties of the chief officer is to carry out supervision during loading and unloading activities. In this case, the role of the chief officer is very necessary considering the main tasks he carries out and the need for knowledge to carry out these tasks. The method used by the author in compiling this research is by collecting data through observation, interviews, and literature studies. The discussion obtained data related to the importance of the chief officer's role in the loading and unloading process of containers on the ship. The results of this paper are about the importance of the chief officer's role in handling loading and unloading as a reference and provision for an officer on the ship later. The conclusion of this writing is the importance of the role of the chief officer in the loading and unloading process on the ship. And a chief officer must be able to calculate the GM stability of the ship.
Peran Air Tawar Dalam Menunjang Kelancaran Pengoperasian Purifier Bahan Bakar dan Minyak Pelumas di Atas Kapal MV. Sinar Sabang
The purifier on board is one of the auxiliary machines which has a very important role to produce clean fuel. The use of this clean fuel is to support the operation of the ship's main propulsion engine and diesel generator engines in producing perfect combustion. In the operation of this purifier, Purifier operation often gets less attention that fresh water is very important to support the functioning of the purifier when working to purify fuel from liquid impurities and other solid impurities, because the function of fresh water in its operation includes operating water, sealing water and de sludge water. The data collection method used in this research was direct observation on the MV Sinar Sumba ship, literature study by reviewing manual books and discussions with engineers on board. From the data during the observation, literature study and interviews then analyzed and formulated and put forward using a qualitative descriptive method. The results of this discussion explain that in the purifier there are several parts that are very closely related to the smoothness and results of fuel refining, one of which is fresh water, because if fresh water is not available according to the required standards pressure and capacity, the purifier is not will be able to function properly. For example, if there is not enough fresh water that functions as a sealing water, then the oil will come out and be wasted through the water channels into the dirty oil tank.
displacement or conditioning water of purifier
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Analisis Kinerja Pneumatic Quick Closing Valve untuk Meningkatkan Keamanan dan Keselamatan di MT. Sultan Mahmud Badaruddin II
The quick closing valve cannot close quickly during training (drill) due to several technical factors. Conditions like this are very dangerous, especially when a fire occurs in the engine room which requires the use of a quick closing valve which must be able to close quickly. This research aims to analyze the decreasing performance of pneumatic quick closing valves on MT ships. Sultan Mahmud Badaruddin II. The research method used is descriptive qualitative with data collection techniques through direct observation on MT ships. Sultan Mahmud Baharuddin II, interviews, and documentation studies. Data analysis was carried out using two methods, namely the Fault Tree Analysis (FTA) method to identify the causes of decreased performance of the pneumatic quick closing valve, and the USG (Urgency, Seriousness, Growth) method to determine problem handling priorities. The research results showed that the decrease in the performance of the pneumatic quick closing valve was caused by a buildup of scale and paint coating on the valve parts, corrosion on the threaded shaft, and imperfect installation of the air pipe. The impact of this reduced performance includes delays in valve closure and the potential to worsen a fire if an emergency situation occurs. The handling efforts carried out are routine checks every week as well as maintenance and repairs according to the manual book.