JURNAL KARYA ILMIAH TARUNA ANDROMEDA

Analysis of Decreasing Lubricating Oil Pressure on Main Engine Case Study: MT Rayong Chemi Ship

Akmal Sair — Mon, 13 Apr 2026 00:00:00 +0800

This study examines the effect of reduced lubricating oil pressure on the performance of the MT Rayong Chemi main engine. Decreased lubricating oil pressure causes increased friction between engine components, decreased efficiency, and accelerated wear. The method used is a quantitative approach with Structural Equation Modeling (SEM) analysis assisted by the AMOS application. Data were obtained through a questionnaire that has been tested for validity and reliability. The results show that reduced lubricating oil pressure has a significant impact on the decline in main engine performance (p < 0.05). This study emphasizes the importance of lubrication system maintenance, including regular filter replacement and pressure calibration to maintain optimal engine performance.

Analysis Of The Declining Work Of Injectors On The Combustion Of Diesel Engines On Mt. Edricko 8

Andi Fajar — Mon, 13 Apr 2026 00:00:00 +0800

The fogging of fuel into the combustion chamber is determined by the good condition of the nozzle on the injector. If the nozzle is in a state of constraint, then the nozzle cannot fog fuel optimally. This study aims to analyze the factors that cause the decline in injector performance to the combustion process of diesel engines on the mt. Edricko 8 ship.this research was carried out on board the mt. Edricko 8 ship owned by pt. Bitumen marasende for one year. To carry out research by taking data on the object being researched related to the title. The results of the study show that the decreased performance of the injector to the combustion process of the diesel motor is the clogging of the nozzle hole due to dirty fuel due to lack of maintenance of the supporting components of the fuel system, incomplete combustion causing carbon attached to the surface of the nozzle tip and dripping of fuel on the nozzle which results in the formation of gases in the combustion chamber.

Analysis of Influential Exhaust Valve Damage On the Exhaust Gas Temperature of the Main Engine on the MT Ship. Bintang Mas Hsb 2

Fadli — Mon, 13 Apr 2026 00:00:00 +0800

This study aims to analyze exhaust valve damage that affects the exhaust gas temperature of the main engine, focusing on the cause of the damage, its impact on the main engine, and preventive measures. Data were obtained through observation methods during marine practice for 12 months and literature studies related to the literature on ship engine engineering. The results show that wear on the spindle and seat rings is the main cause of damage, which can temporarily stop engine operation and reduce the efficiency of the vessel. Qualitative descriptive analysis was used to understand the relationship between exhaust valve failure and change in exhaust gas temperature. This research provides theoretical contributions in the management of ship engines as well as practical recommendations in the form of exhaust valve maintenance and repair procedures, including the implementation of planned maintenance systems. With the right implementation, these results are expected to improve the reliability and operational efficiency of ships, minimize downtime, and ensure smooth shipping activities.

Analysis of the Increase in Water Content in Oil Lubricating Auxiliary Engine on Ships MT West Poit

Ibnu Hibban — Mon, 13 Apr 2026 00:00:00 +0800

This study aims to analyze the factors that cause the increase in water content in auxiliary engine lubrication oil on the MT West Point ship, as well as its impact on engine performance. The methods used in this study include regular sampling of lubricating oil, laboratory analysis to measure moisture content, and observation of the lubrication system and operational environmental conditions. The results of this study show that the increase in moisture content in lubricating oil has a significant impact on viscosity, lubrication power, and corrosion risk in engine components. Therefore, preventive measures are needed such as regular monitoring of lubricating oil quality, stricter maintenance of the cooling system, and the implementation of cleaner and safer lubricating oil filling procedures.

Analysis of the Declining Production Capacity of Fresh Water Generators on MT Green Park Ships

Muh Ikram — Mon, 13 Apr 2026 00:00:00 +0800

This study aims to analyze the factors causing the decline in the production capacity of Fresh Water Generator (FWG) on the MT Green Park ship. The research method used is qualitative descriptive with case studies through observation, crew interviews, and analysis of operational and maintenance data. The results showed that the decrease in production was caused by scale build-up on the evaporator which inhibited heat transfer and vacuum leakage due to corrosion of the evaporator plate. After cleaning and repairs, the production capacity increased again to close to optimal conditions. This study emphasizes the importance of routine maintenance and critical parameter monitoring systems to maintain FWG performance in a sustainable manner.

THE CAUSE OF THE LOADING DELAY WAS DUE TO A PROBLEM WITH THE CARGO PUMP AT MT. SNAPPER

Antonio Herbert Mangiri — Mon, 13 Apr 2026 00:00:00 +0800

In the operation of loading and unloading a cargo on a ship, special expertise and more attention are needed to support the smooth operation of the ship. In addition to operational problems, negligence in supervision of cargo can also result in hazards to ships, such as overflow and contamination of other cargoes, in this paper explains the preparations that occur in the implementation of loading and unloading operations and anticipating failures both from the ship and the dock. There are elements that can hinder the stages of loading operations when the ship is docked on the jetty, including the performance of the cargo pump, the initial circulation process, and the understanding of the guard officer himself. To overcome these things is by following every standard operating procedure that has been set, conducting good supervision during guard service, and routinely carrying out regular checks every hour so that safe, smooth, and proper cargo operations can be realized.

Analysis of Damage to the Fresh Water Maker (Reverse Osmosis) in the Fresh Water Production Process on the MT.SENGETI Ship

Muh Raflih Idris — Mon, 13 Apr 2026 00:00:00 +0800

This study aims to analyze the causes of damage to the reverse osmosis freshwater maker system in the freshwater production process on the MT. Sengeti vessel. The research method used was descriptive qualitative, with direct observation, interviews, and documentation studies of maintenance and damage reports. The results showed that the most common damage occurred in the high-pressure pump valve adapter due to high pressure, excessive vibration, and material fatigue, as well as cavitation and lack of routine maintenance. Repair efforts included component replacement, adjustment of working pressure, and improvement of crew operational understanding to optimize RO system performance.

Efforts to Improve Engine Crew Discipline in Conducting Port Watchkeeping Duties on Board MT. SEA HORSE

Nur Fuadi — Mon, 13 Apr 2026 00:00:00 +0800

The objective of this research is to implement routine discipline, particularly during engine room watchkeeping, to ensure smooth vessel operations. In this regard, the Chief Engineer holds the responsibility for managing the crew's discipline during watch duties. The data and findings were obtained directly from on-board observations and relevant reference books. The study identified that the primary cause of indiscipline among the crew on MT. SEA HORSE, specifically within the engine department, is the lack of supervision from the Captain and Chief Engineer. Furthermore, there is a lack of firmness in reprimanding crew members who return late from shore leave, particularly those who return in an unfit condition. To address these issues, preventive measures against shipboard hazards must be prioritized. To ensure a professional maritime workforce, all crew members are required to hold basic training certificates in compliance with IMO standards. This research was conducted on MT. SEA HORSE, owned by PT. ALLOW SHIPPING LIMITED, over a period of one year and four days, from January 10, 2024, to January 15, 2025. In conclusion, increased focus and discipline among the engine crew are essential to maintain seamless vessel operations, whether the ship is at sea or in port.

Analysis Of The Effect Of Declining Turbocharge Performance On The Power Of The Main Engine On The Mt Chem Star Ship

Rangga Syah Romadoni Makaka — Mon, 13 Apr 2026 00:00:00 +0800

The purpose of the study is to analyze the indicators that cause the decline in turbocharge performance in the MT main engine. CHEM STAR. The research method is direct observation in the field and statistical analysis using JASP software with a paired t-test to compare conditions before and after the decline in turbocharger performance. The variables observed included boost pressure, exhaust gas pressure, intercooler temperature, engine room temperature, turbocharger rev (RPM), and engine power output (kW).

The results showed a significant decrease in boost pressure, intercooler temperature, engine room temperature, turbocharger RPM, and engine power output after a turbocharger performance disturbance (p < 0.001). A very strong positive correlation was found between power output with boost pressure (r = 0.988) and turbocharger RPM (r = 0.998), while a very strong negative correlation was observed between power output with exhaust gas pressure (r = -0.978), intercooler temperature (r = - 0.951), and engine room temperature (r = -0.992). The main causes of the decline in turbocharger performance are dirty air filters on the blowers as well as carbon buildup on the turbine blades that inhibit the flow of exhaust gases and reduce the turbocharger's working efficiency.

This study provides important recommendations for ship operations to carry out regular maintenance and cleaning of turbocharger components according to manual procedures to maintain engine efficiency and prevent further damage.

Optimization Of Navigation Equipment On The Bridge For Anchoring Position In Preparation For Loading And Unloading By Sts In Mv. Lumoso Jaya

Firman Bintang Pamungkas — Mon, 13 Apr 2026 00:00:00 +0800

This study aims to determine the role or performance of navigation equipment such as AIS, GPS, ECDIS, Radar, and Echosounder in determining the anchor position and identify factors that affect the accuracy of motion processing activities during the anchoring process before the STS process with a barge is carried out. The type of research used is qualitative research. The analysis process is through qualitative descriptions of the results of observation of operational activities, interviews with the crew on the platform during the docking process, and analysis of historical data from the navigation system on the platform. The results showed that the damage caused to the Echosounder did not significantly affect the accuracy of the determination of the anchoring position thanks to the presence of other devices in the navigation system on the platform. The function of the Echosounder in determining the contour and depth of seawater at the berth can be replaced by the existence of ECDIS. The reliability of the navigation system on the ship will be maximized if the calibration and update process is carried out regularly. Maintenance and repair activities on damaged or malfunctioning equipment should be carried out at the first opportunity once damage is identified.

Analysis of Freon Leak Identification and Repair in Refrigerator Piping System on MT GAS ALTHEA Ship

Ridwan — Mon, 13 Apr 2026 00:00:00 +0800

This study aims to identify piping systems and detect Freon leaks in food refrigeration machines on ships that cause decreased circulation efficiency and increased energy consumption. The methods used include field inspections, leak testing with electronic and soap-water leak detectors, and repairs with pipe replacement. Of the 10 units tested, 7 had leaks at the joints and 3 due to corrosion, with a leak detector detection success rate of 95% compared to 70% of the soap-water method. Pipe repair increased efficiency by an average of 20%, and retesting for seven days showed normal operation without re-leaking. The result is the importance of periodic maintenance, the selection of quality plumbing materials, and the training of technicians to maintain the efficiency and disposal of the ship's cooling system.

Analysis of Seafarers' Nutrition and Dietary Patterns to Support Occupational Health on AHTS Pelangi Escort 2

Handa Narullita — Mon, 13 Apr 2026 00:00:00 +0800

This study aims to analyze the influence of nutrition and dietary patterns on the health of crew members (ABK) aboard the AHTS Pelangi Escort 2 using a quantitative approach. Based on a survey of 30 respondents and multiple linear regression analysis, the results show that both nutrition and dietary patterns have a positive and significant impact on crew health, contributing 89.9% to the variation in their health conditions. The t-values and significance levels indicate strong relationships between the variables, while the Body Mass Index (BMI) measurements reveal that some crew members are experiencing overnutrition. These findings highlight the importance of balanced nutrition and regular eating habits in maintaining the health and productivity of ship crews.

Analysis Of The Implementation Of Water Ballast Management On The Mv. Sinar Kuta

Krisna Bayu — Mon, 13 Apr 2026 00:00:00 +0800

This study aims to analyze the effectiveness of ballast water management technology, the level of compliance with the Ballast Water Management System (BWMS), and the operational challenges faced by the crew of the MV. Sinar Kuta using a qualitative field approach. Through direct observation, interviews with 24 crew members, and analysis of technical documents and international regulations, it was found that the crew's limited understanding of the Water Ballast Management Plan and Ballast Water Treatment system negatively impacts the optimization of system operations. This has the potential to reduce the level of compliance with regulations and increase the risk of marine pollution and the spread of invasive species. The analysis shows that although the technology used has met most BWMC standards, cost constraints and operational adaptation remain major obstacles. These findings emphasize the importance of improving crew training and the efficiency of the ballast water management system to support compliance with international standards and the sustainable conservation of maritime ecosystems.

Execution Optimization Isps Code And Then There's Mt

Aldhi Panca Anugrah — Mon, 13 Apr 2026 00:00:00 +0800

This study discusses the application of International Ship and Port Facility Security (ISPS) CODE in MT. Kirana Nawa. The purpose of this research is to optimize the ISPS CODE on board the ship to improve the safety of the ship and crew. The research method is qualitative research, data collection is carried out on MT. KIRANA NAWA with data collection techniques by conducting interviews and direct observation of the subject to be researched, then analyzing data by collecting data, developing themes, and interpreting the meaning of dataFrom the results of the analysis that the regulations for the implementation of ISPS CODE on MT ships. KIRANA NAWA needs to be improved because it is in accordance with ISPS CODE rules to achieve good optimization. Therefore, it is recommended that the implementation of security training and drills be carried out periodically 1 time in 3 months according to the rules and directly supervised (SSO). It is recommended to do Role and Responsibility Enhancement (SSO) according to applicable regulations. It is recommended to add security facilities to the position and coverage of CCTV cameras, deck lighting, patrol or place personnel in each area beyond the reach of CCTV and where there is little lighting, as well as the availability of security equipment And it is recommended that the guard schedule and the level of security level must be adjusted to where the ship is located.

Analysis Of Waste Handling Of Passengers And Crew Members At Km. Tilongkabila Against Pollution Maritime Environment

Putri Maharani — Mon, 13 Apr 2026 00:00:00 +0800

This study analyzes waste handling by crew members (ABK) and passengers in KM. Tilongkabila in relation to maritime environmental pollution, with reference to the provisions of MARPOL 73/78 Annex V. Using a descriptive qualitative research method, data was collected through interviews, observations, and documentation during marine practices for 12 months. The results of the study show that crew members have understood the basics of the Garbage Management Plan (GMP), but passengers are often not aware, so that waste disposal is not in accordance with the rules. Key problems include inadequate facilities, inconsistent supervision, and suboptimal education, which have the potential to lead to marine pollution. The study recommends increased training, better provision of facilities, and stricter enforcement of rules to improve waste management and protect maritime ecosystems.

Analysis Of The Responsibilities Of Watchkeeping Officers During Cargo Handling Operations On Mv Titanium

A. Rahman — Mon, 13 Apr 2026 00:00:00 +0800

In maritime transportation services, cargo handling processes involve relatively high risks; therefore, officers are required to have adequate knowledge of watchkeeping duties and to carry out their responsibilities in accordance with the regulations of the International Maritime Organization (IMO). The objective of this study is to examine the implementation of watchkeeping duties onboard a vessel. This research was conducted onboard MV Titanium during the author’s Sea Project/Sea Practice (PRALA) from September 2023 to September 2024. The data sources used in this study consisted of primary data obtained through direct observation and interviews, as well as secondary data in the form of documentation and relevant literature. The results of this study indicate that several issues were identified during cargo handling procedures, namely that the watchkeeping officer did not provide proper supervision during loading operations on MV Titanium, and that the watchkeeping officer failed to inspect cargo lashing equipment before, during, and after the cargo handling processes.

Analysis Of The Causative Factors Of Mt. Marisa N Crashed Mt. Victory

Alfian — Mon, 13 Apr 2026 00:00:00 +0800

The purpose of this study is to analyze collisions between MT ships. MARISA N and MT. VICTORIA which occurred on April 13, 2023 at 03.00 WIB during a Ship-to-Ship (STS) transfer operation in open waters. The incident, which was investigated through observations, interviews, and analysis of ship documents at MT. MARISA N from January 2023 to January 2024, was caused by a combination of extreme weather (high waves and strong winds), miscommunication between the platform and the bow, and suboptimal maneuvers. The study concludes that to prevent similar accidents in the future, effective crew communication training, rigorous weather readiness evaluation, and consistent safety briefing are required.

The Effect of Leaks in the L.O Cooler Tube on Temperature Increase in the Auxiliary Engine of KM. Wilis

Wahyu Ferdiansyah — Mon, 13 Apr 2026 00:00:00 +0800

The auxiliary engine is one of the most important systems in ship operation, which depends on the stability of the lubrication and cooling systems to maintain engine performance. One of the vital components in this system is the L.O Cooler (Lube Oil Cooler), which functions as a heat exchanger to keep the lubricating oil temperature within safe operating limits. This study aims to analyse the causes, impacts, and technical solutions for the temperature increase caused by leaks in the L.O Cooler Tube. The research was conducted on the KM Wilis ship, owned by PT Pelayaran Nasional Indonesia, using a qualitative descriptive approach. The methods used included direct observation, technical interviews with ship engine personnel, and visual documentation of the L.O Cooler and related cooling systems. Lubricant temperature and oil pressure data were also analysed to support technical interpretation. The results of the study show that leaks in the L.O Cooler Tube cause cooling water to mix into the lubrication system, resulting in a decrease in oil viscosity and disruption to the lubrication function. This condition causes the lubricant temperature to rise beyond the safe threshold and increases the risk of wear on components such as bearings and pistons. The solutions implemented include replacing the Tube, cleaning the cooling lines, and periodically monitoring the temperature through sensors and recording machine operations.

Implementation of ISPS Code to Prevent Security Threats of MT. Madelin Expo

Fathul Rahman — Mon, 13 Apr 2026 00:00:00 +0800

The ISPS Code (International Ship and Port Security Code) is an international code on the safety of ships and port facilities, where every ship and port of the member states of the convention is obliged to implement all the rules set out in the international convention on the safety of life at sea. This rule was enforced on July 1, 2004. The purpose of this study is to find out how the ISPS Code is implemented in MT. Medelin Expo to prevent threats that occur. This study uses qualitative research methods with data collection techniques through observation, interviews, documentation, and literature studies. The subjects in this study were 3 informants. The type of data used is primary data. The results of this study can be concluded that the formal implementation of the ISPS Code has been carried out according to procedures. However, implementation in the field still leaves a number of significant weaknesses. This can be seen from the weak access control, the poor night lighting system, and the lack of security training for all crew members and the security level status is not adjusted to the actual situation. In addition, there are several technical factors such as the unavailability of CCTV in critical areas, unsupportive communication equipment (HT), and uneven security awareness among the crew are the main causes of the incident. In addition, the infrequent and monotonous implementation of security drills also causes the crew to be less prepared to respond to real threat situations.

Efforts To Increase Vigilance In Mv.Antarctic Dream To Avoid Work Accidents

Basra Edani — Mon, 13 Apr 2026 00:00:00 +0800

The risk of accidents in the Ship Work Environment is very high, mainly caused by negligence, lack of discipline in the use of personal protective equipment (PPE), and weak compliance with safety procedures. This study aims to analyze effective pre-work procedures to prevent work incidents and accidents on top of MV. Antarctic Dream. Conducted through marine practice for more than 12 months, the study used observation, interview, and documentation methods, the results of which showed that incidents occurred because crews failed to check the condition of the equipment, did not use adequate PPE, and operated the equipment without safety, reflecting a low safety culture. Therefore, it is concluded that increasing crew vigilance is crucial and can be achieved through continuous safety training, strict implementation of International Safety Management (ISM) Code procedures, supervision of work discipline, and provision of proper safety equipment, where strengthening safety discipline and culture is key to reducing the risk of accidents, maintaining operational efficiency, and protecting the safety of crew lives.

Analysis Of Decrease In Sewage Treatment Plant Performance At Mt. Swordfish

Maulana Ibrahim — Mon, 13 Apr 2026 00:00:00 +0800

The research results showed that the decline in STP performance was influenced by a lack of air supply in the tank due to a malfunctioning aeration blower/compressor, preventing aerobic bacteria from surviving. Furthermore, the suboptimal use of chlorine tablets also resulted in ineffective processing. Another contributing factor was the crew's lack of knowledge and awareness of STP maintenance and understanding of the types of waste that should be managed.Then the efforts that can be made to overcome the problem of pollution in the sea that originates fromSewage Treatment Plant (STP)namely by carrying out regular maintenance onSewage Treatment Plant (STP)according to the procedures contained thereinmanual bookand also socialization to the crew, both maintenance and alsotypes of waste that can or cannot be managed.

Analysis Of Main Bearing Wear On Auxiliary Engine On Board Jhoni XLV

Muh Rezal — Mon, 13 Apr 2026 00:00:00 +0800

This study aims to analyze the level of wear on the main bearing auxiliary engine of the Jhoni XLV ship. The study focused on identifying the main causes of wear and its impact on engine performance. The research method uses direct observation and measurement with precision tools. The results showed significant wear and tear caused by high workloads and routine maintenance neglect. It is recommended that lubrication system repairs and periodic inspections be carried out to prevent further damage. This research contributes to the maintenance of ship engines to support optimal operations.

Optimization Of The Implementation Of The International Ship And Port Facility Security Code (Isps) On The Mv. Wan Tong

Andi Anan Aprian — Mon, 13 Apr 2026 00:00:00 +0800

This study aims to examine the implementation of the International Ship and Port Facility Security (ISPS) Code onboard MV Wan Tong. The research is motivated by a paint theft incident that occurred in the bosun store while the vessel was berthed at Fuzhou Port, China, indicating deficiencies in access control and the enforcement of security procedures. A qualitative descriptive approach was employed, with data collected through direct observation, in-depth interviews, and document analysis. The findings reveal that the application of the ISPS Code has not been fully effective due to negligence at the gangway watch, inadequate crew discipline, and limitations in security monitoring equipment. Therefore, continuous training programs and stricter enforcement of security discipline are required to strengthen onboard security systems in line with international maritime standards.

Analysis of the occurrence of hydraulic oil leakage in the steering gear on the AHT Iron Tug ship

Andre — Mon, 13 Apr 2026 00:00:00 +0800

This study aims to analyze the cause of hydraulic oil leakage in the Steering Gear system of the AHT Iron Tug ship operated by Y&Y Maritime Management. Observation and data analysis showed a decrease in hydraulic pressure and decreased system responsiveness due to oil leakage in the worn seals and O-rings. Causative factors include excessive working pressure, mechanical vibration, use of substandard parts, and lack of regular maintenance. The ultrasound (Urgency, Seriousness, Growth) method is used to prioritize problems and show that seal damage, O-rings, as well as the use of non-standard spare parts are major issues with high impact. Repair recommendations include periodic replacement of components, strict supervision of the use of spare parts according to manuals, and improvement of maintenance programs. The results of this study are expected to help improve the reliability of the Steering Gear system and support the safety and efficiency of ship operations.

OPTIMIZATION OF THE USE OF OCCUPATIONAL SAFETY TOOLS IN SV. SEA WAVE

Alvin Idham — Mon, 13 Apr 2026 00:00:00 +0800

This research is motivated by the low awareness and discipline of the SV crew. Sea Wave in the use of occupational safety equipment (PPE) when carrying out tasks, which can increase the risk of work accidents. This study aims to determine the use of occupational safety equipment in SV. Sea Wave.

The research method used is qualitative descriptive with observation, interview, and documentation techniques. Data were obtained through sea practice for 1 year and 29 days on the AHTS SV ship. Sea Wave, then analyzed descriptively to describe the actual conditions of PPE use, the implementation of safety meetings and drills.

The results of the study show that the optimization of the use of occupational safety tools in SV. Sea Wave has not been achieved to its fullest. It was found that work safety equipment, such as safety glasses, were in unsuitable conditions and inadequate, so the crew did not use them. In addition, the implementation of safety meetings and drills has not been carried out consistently, and the supervision carried out has not touched the overall change in the behavior of the crew. Several steps must be taken to prevent work accidents on board, namely by implementing procedures for the use of work safety equipment, supervision of the use of PPE, evaluating safety meetings and drills regularly, and checking the availability and feasibility of safety equipment.