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All Journal Prosiding SNATIKA Vol 01 (2011) J Statistika: Jurnal Ilmiah Teori dan Aplikasi Statistika Jurnal Aplikasi Pelayaran dan Kepelabuhanan JEEE-U (Journal of Electrical and Electronic Engineering-UMSIDA) Jurnal Aplikasi Pelayaran dan Kepelabuhanan Indonesian Journal of English Teaching Media Bina Ilmiah Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Maxima Ari Saktiono
Teknologi Rekayasa Permesinan Kapal, Fakultas Vokasi Pelayaran Universitas Hang Tuah, Surabaya
Humanities Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mechanical Engineering Social Sciences Transportation Other

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Developing OCEAN as a Game Based on English Learning in Teaching Vocabulary Prastiwi, Afita Dewi; Saktiono, Maxima Ari
IJET (Indonesian Journal of English Teaching) Vol. 12 No. 1 (2023): July
Publisher : Department of English Language Education, UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15642/ijet2.2023.12.1.27-38

Abstract

Abstract This study applied Research and Development (R&D) study which developed game application based English learning. The purpose of this study is to improve the leaner’s vocabulary and reduce their anxiety in mastering English. Vocational maritime students had problem in memorizing vocabularies and based on the result of need analysis, they need a media that can ease them in learning English. This study followed some steps in developing the game application, those were; assessing need analysis, writing performance objective, instructional strategy’s development, instructional materials’ development and selection, implementation of formative and summative evaluation. The instrument of this study were questionnaire and interview to gain students response in need analysis process and in evaluation. OCEAN can catch the learner’s attention and decrease their anxiety in learning English. Most of students agree if the game improves their motivation and they can enjoy playing the game. The development of this game as an educational game has good impact and responses even though some improvements are needed.
The Influence of OCEAN as Educational Media to Improve Students' Vocabulary Prastiwi, Afita Dewi; Saktiono, Maxima Ari; Wijaya, Yudha Hadi
IJET (Indonesian Journal of English Teaching) Vol. 13 No. 1 (2024): July
Publisher : Department of English Language Education, UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15642/ijet2.2024.13.1.110-116

Abstract

Media as an important part of English teaching has been developed massively. The role of media in teaching English cannot be separated from students and teachers. This study aims to measure the effect of media that has been developed by the writer in order to know the effectiveness of the media itself in improving students’ vocabulary. OCEAN is a media development that provide some features to improve students’ English skill. This study implemented and tested OCEAN to measure the effectiveness of the media. This study used experimental quantitative research and T-test to gain and analyze the data. The result said that the average value of English vocabulary from pre-test is 65.81 ± 5.19, which is lower than the average value of English vocabulary in the post-test, which is 82.12 ± 5.86. To find out whether there is a significant increase in the average variable value of English vocabulary from the pre to post, the Wilcoxon test was carried out. From the Wilcoxon test, it was found that the calculated Z value was smaller than the -Z table (-4,594 < -1,960), and the p-value was smaller than α (0,000 < 0,050), so the decision was taken that H0 was rejected, which means that there is a significant difference in the average between pre and post-test. The conclusion of this study showed that the media is effective in teaching English vocabulary.
PERANCANGAN USER INTERFACE (UI) DAN USER EXPERIENCE (UX) APLIKASI OCEAN BERBASIS ANDROID Maxima Ari Saktiono; Afita Dewi Prastiwi
Media Bina Ilmiah Vol. 19 No. 9: April 2025
Publisher : LPSDI Bina Patria

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

Abstract

Aplikasi OCEAN dikembangkan berdasarkan hasil kuesioner yang menunjukkan bahwa 87,5% mahasiswa menganggap pembelajaran bahasa Inggris melalui media online atau aplikasi sangat penting bagi mereka. Perancangan UI dan UX aplikasi ini menerapkan metode Design Thinking, yaitu pendekatan inovatif dalam memecahkan masalah dengan menciptakan solusi yang lebih efektif dan efisien. OCEAN merupakan aplikasi berbasis Android yang memiliki berbagai keunggulan dibandingkan sistem operasi lainnya. Aplikasi ini dirancang sebagai media pembelajaran bahasa Inggris berbasis gamifikasi yang menarik dan menyenangkan, sehingga meningkatkan antusiasme mahasiswa dalam belajar. Berdasarkan pengujian UI/UX terhadap mahasiswa Fakultas Vokasi Pelayaran, aplikasi OCEAN memperoleh nilai Single Ease Question (SEQ) sebesar 6,75, yang melampaui batas minimal yang ditetapkan. Hasil ini menunjukkan bahwa aplikasi OCEAN memiliki tingkat kemudahan tinggi dalam instalasi dan penggunaan, serta menawarkan desain dan fitur yang menarik.
Analisis Penurunan Produksi Air Tawar pada Fresh Water Generator di MV Sky Free Muhammad Miftahul Alim; Maxima Ari Saktiono; Daryanto Daryanto
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan Vol. 4 No. 2 (2026): Mei: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/globe.v4i3.1444

Abstract

This study examines the decline in the performance of the Fresh Water Generator (FWG), an auxiliary system used to produce fresh water for operational activities and crew consumption aboard MV Sky Free. The FWG experienced a reduction in production capacity from the normal output of 10–12 tons/day to only 6–8 tons/day, creating the potential for freshwater shortages during vessel operations. The research employed a descriptive quantitative approach, with data collected through direct observation, documentation, and questionnaires distributed to relevant personnel. Data were analyzed using the Failure Mode and Effect Analysis (FMEA) method to determine the priority of failures based on their Risk Priority Number (RPN). The analysis revealed that scale accumulation on the evaporator plates represented the most critical failure mode, with an RPN of 216, followed by localized overheating of the heating pipe (192), leakage in the vacuum system (135), and condenser fouling combined with non-condensable gas accumulation (120). These failures reduce heat transfer efficiency, disrupt evaporation and condensation processes, and ultimately lower freshwater production. Corrective measures include cleaning the evaporator and condenser, repairing vacuum system leaks, and conducting comprehensive component inspections. Preventive actions involve implementing scheduled maintenance, monitoring operational parameters, and performing regular inspections. Consistent application of preventive and corrective maintenance successfully restores FWG performance, enabling freshwater production to return to its normal capacity of 10–12 tons/day and ensuring a sustainable freshwater supply for ship operations.
Analisis Kerusakan Sea Water Cooling Pump pada Mesin Induk di Kapal MV. Sjw Mountain George Jonhanes Baramata; Maxima Ari Saktiono; Sugeng Marsudi
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan Vol. 4 No. 2 (2026): Mei: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/globe.v4i2.1452

Abstract

Sea water cooling pump is a vital component of the main engine cooling system, responsible for circulating seawater to absorb engine heat. Damage to Sea water cooling pump No. 2 on MV. Sjw Mountain reduced pump pressure from the normal range of 3.5–3.9 bar to 1.5–1.9 bar, causing the cooling system temperature to increase to 80°C and increasing the risk of engine overheating. This study aimed to identify the causes of pump failure, evaluate the level of failure risk, and determine appropriate corrective actions. The research employed the Fishbone diagram and Failure Mode and Effect Analysis (FMEA). Data were collected through observations, interviews with ship engineers, documentation, and questionnaires administered to the Chief Engineer, Second Engineer, Third Engineer , Fourth Engineer, and Oiler. The Fishbone analysis identified five contributing factors: man, method, machine, material, and environment. FMEA results showed that the method factor had the highest Risk Priority Number (RPN) of 210, followed by environment (175), machine (160), material (120), and man (100). The study concluded that inadequate inspection and maintenance practices were the primary causes of pump failure. Recommended improvements include strengthening the Planned Maintenance System (PMS), conducting regular inspections, replacing worn components, and improving crew supervision to maintain optimal cooling system performance.
Analisis Penyebab Kenaikan Temperatur Air Tawar pada Sistem Pendingin Mesin Induk di HT Kresna 3116 Syavessandro Marchio Sangkastria Diadema; Sugeng Marsudi; Maxima Ari Saktiono
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan Vol. 4 No. 2 (2026): Mei: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/globe.v4i2.1459

Abstract

This study aims to analyze the factors causing the increase in fresh water cooling temperature in the Main Engine, the impacts on engine performance, and the corrective actions taken to overcome Cooling System problems on board Harbour Tug (HT) Kresna 3116. The research was conducted during the sea practice period (PRALA) from October 5, 2024, to October 5, 2025, using a descriptive qualitative research method. Data were collected through direct observation in the engine room, interviews with the Chief Engineer and engine crew, documentation, and analysis of Cooling System operational data. The results showed that the increase in fresh water cooling temperature from the normal condition of 70°C to 85°C was caused by several factors, including blockage of the Sea Chest due to mud and marine debris, scale accumulation in the fresh water cooler, damage to the Mechanical Seal of the Fresh Water Pump, and the less-than optimal implementation of the Planned Maintenance System (PMS). These problems reduced the effectiveness of the heat transfer process, causing the exhaust gas temperature to increase up to 460°C, decreasing combustion efficiency, increasing fuel consumption, and potentially leading to Overheating of the Main Engine. To address these issues, several corrective actions were implemented, including cleaning the Sea Chest and fresh water cooler, replacing the damaged Mechanical Seal on the Fresh Water Pump, renewing the Coolant, and carrying out PMS activities regularly and continuously. After these corrective measures were taken, the fresh water cooling temperature returned to its normal range of approximately 70°C, and the system pressure returned to 2.5 bar. Based on the research findings, it can be concluded that regular maintenance and monitoring of the Cooling System are essential to maintain Main Engine performance, improve vessel operational reliability, and prevent disruptions that could hinder sailing operations.
Analysis of the Impact of Intercooler Effectiveness Reduction On Combustion Air Pressure and Fuel Consumption OF THE MAIN ENGINE OF THE NINGBO 8300 MV SEMANGAT MAS Pratama, Faris Dida; Saktiono, Maxima Ari; Dewantara, Belly Yan
JURNAL APLIKASI PELAYARAN DAN KEPELABUHANAN Vol 16 No 2 (2026): bulan Maret
Publisher : Universitas Hang Tuah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30649/japk.v16i2.190

Abstract

The decrease in intercooler effectiveness in a ship's main engine can significantly affect performance and fuel efficiency. This final project aims to analyze the impact of the decrease in intercooler effectiveness on combustion air pressure and fuel consumption of the main engine of the Ningbo 8300 MV Semangat Mas. The research was conducted using observation methods and data analysis from measurements obtained during the ship's operation. The collected data includes combustion air pressure, intake air temperature, and fuel consumption under normal engine conditions and conditions with decreased intercooler effectiveness. The results of the study show that the decrease in intercooler effectiveness causes an increase in intake air temperature, which in turn raises combustion air pressure and fuel consumption. This phenomenon indicates that the decrease in intercooler performance can worsen fuel efficiency and reduce overall engine performance. The conclusion of this research highlights the importance of routine intercooler maintenance to ensure the optimal performance of the ship's main engine, reduce fuel consumption, and improve the ship's operational efficiency.
Analysis of Gearbox Ratio Mismatchwith Main Engine RPM, Resulting in High Temperature Lubricating Oil Lubrication in the Gearbox of MV. Prakarsa Mas Riswanto, Adi; Saktiono, Maxima Ari; Awwalin, Rodlitul
JURNAL APLIKASI PELAYARAN DAN KEPELABUHANAN Vol 16 No 2 (2026): bulan Maret
Publisher : Universitas Hang Tuah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30649/japk.v16i2.191

Abstract

Gearbox is a vital component in the ship propulsion system that functions to transmit power from the main engine to the propeller. On the MV. Mas Initiative, found a discrepancy between the gearbox rotation ratio with the RPM of the main engine, which has an impact on increasing the lubrication temperature of the gearbox lubricating oil to exceed the optimal limit. This condition can reduce lubrication efficiency, accelerate component wear, andreduce overall ship performance. This study aims to analyze the factors that cause gearbox ratio mismatch, evaluate its impact on lubricant temperature, and develop technical recommendations to overcome these problems. The method used is descriptive qualitative approach through direct observation, interviews with the crew, and literature studies. The results showed that the main causes of this discrepancy include damage to gearbox components, a non-optimal lubrication system, as well as a lack of regular maintenance. The high temperature of the lubricant has an impact on decreasing the viscosity of the oil and decreasing the efficiency of power transmission. Recommended solutions include regular cleaning of the oil cooler and filter, checking the pressure of the oil pump, as well as regular oil quality testing. It is expectedthat the results of this study canbe a referencein gearbox maintenance to improve the reliability and operational efficiency of the ship.
Optimization of Fuel System Maintenance for Smooth Operation of Main Engines on KM Pratama Mas Ship Permadi, Yudha Sali; Mursidi, Mursidi; Saktiono, Maxima Ari
JURNAL APLIKASI PELAYARAN DAN KEPELABUHANAN Vol 16 No 2 (2026): bulan Maret
Publisher : Universitas Hang Tuah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30649/japk.v16i2.192

Abstract

The main engine is the primary component in a ship's propulsion system, responsible for the continuity of its voyages. A critical supporting system for the main engine's performance is the fuel system. This system supplies fuel at the correct pressure and quantity to the combustion chamber, ensuring optimal combustion. Any disruption or irregularity in the fuel system can cause the main engine's performance to decline, potentially leading to serious damage that hinders the ship's operation. This study aims to analyze the factors causing fuel inefficiency in the main engine and to formulate technical recommendations to address these issues. The research uses a descriptive qualitative approach through direct observation, interviews with the ship's crew, and a literature review. The results indicate that the main causes of these issues include:An increase in exhaust gas temperature due to the fuel injector's operating hours exceeding its maintenance schedule, leading to the injector not functioning optimally.The main engine shutting down unexpectedly due to dirt and water in the fuel, which interfered with the fuel purifier's operation, resulting in poor fuel quality.The suggested solutions include installing a separator to achieve better fuel quality and increasing the temperature of the MFO fuel. It is hoped that the findings of this research can serve as a reference for fuel system maintenance to improve the ship's operational reliability and efficiency.
Co-Authors Afita Dewi Prastiwi Awwalin, Rodlitul Daryanto Daryanto Daryanto Daryanto Dewantara, Belly Yan George Jonhanes Baramata K, Faulina Muhammad Miftahul Alim MURSIDI MURSIDI, MURSIDI Permadi, Yudha Sali Prastiwi, Afita Dewi Pratama, Faris Dida Riswanto, Adi Saputra, Handika Diki Sugeng Marsudi Syahputra, Ferdyan Alam Syavessandro Marchio Sangkastria Diadema Wahab, Aab Abdul Wahyudi, Moh. Rifqi Bagus Wijaya, Yudha Hadi Wirawan, Adi Pandu