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Ika Mustika
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Analysis of Optimal Radar Operation during Navigation on the KM Oriental Galaxy: Analisis Operasional Radar Secara Optimal Saat Bernavigasi di KM Oriental Galaxy Sultan; Ika Mustika; Nur Indah Sari; Ismail
JURNAL VENUS Vol. 13 No. 2 (2025): September
Publisher : PIP Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.48192/vns.v13i2.812

Abstract

Radar is one of the most important navigational aids for the officer of the watch, particularly at night, in restricted visibility, and in congested or narrow waters, but its value depends on correct operation, interpretation, and maintenance. This study examines the problems in the operation of radar during navigation on the KM Oriental Galaxy and identifies measures to optimise its use. A qualitative descriptive design was used, with data collected through direct observation, informal interviews with the Second Officer, the Third Officer, two helmsmen on watch, and a deck cadet, and documentation, including the planned maintenance records, during the authors’ 12-month sea practice. The results show that radar operation on board did not yet fully meet the applicable operating procedures. The problems identified were ineffective detection of targets and navigational hazards, deteriorating magnetron performance, blind and shadow sectors in the radar coverage, and spurious and false echoes that did not correspond to real objects. These problems were related to the crew’s limited knowledge of radar settings, display modes, and limitations, to insufficient attention by the officers to their responsibility for navigational equipment, and to routine maintenance that was not carried out on schedule, as shown by overdue items in the planned maintenance system. Technical guidance was given to the crew on radar settings, interpretation of the display, emergency handling, and basic maintenance. Training of officers and ratings in radar operation and its limitations, maintenance in accordance with the manufacturer’s instructions and the planned maintenance system, recording of blind sectors, and prompt company support for spare parts and repairs are recommended.
Comparative Study: Passenger Satisfaction on ASDP Ferry and Dharma Lautan Ferry to Selayar Sulastriani R; Diah Vitaloka; Ika Mustika
International Journal of Health Engineering and Technology Vol. 4 No. 5 (2026): IJHESS JANUARY 2026
Publisher : CV. AFDIFAL MAJU BERKAH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55227/ijhet.v4i5.561

Abstract

This study aims to identify the level of passenger satisfaction with the services provided by the ASDP ferry and the Dharma Lautan ferry on the Selayar route, the factors that influence passenger satisfaction on both ferries and a comparison between the quality of service and the operation of the two vessels. Passenger satisfaction is measured based on indicators: service quality (staff friendliness, responsiveness), ship facilities (seat comfort, cleanliness, and additional facilities), and punctuality of departure and arrival. Service quality is assessed based on passenger perceptions of indicators such as service speed, staff friendliness, and punctuality. Ship operation is assessed from the aspects of facility comfort, departure frequency, and operational efficiency. This study uses a descriptive quantitative approach with a comparative method to compare the level of passenger satisfaction between two ship operators, namely PT ASDP Indonesia Ferry and Dharma Lautan Nusantara. Based on the results of the study, the average value (mean score) of the two vessels has a difference of approximately 8 points. The average level of customer satisfaction of the ASDP ferry is 64.68 while the average level of customer satisfaction of the Dharma Lautan is higher at 72.96. This figure shows that statistically, Dharma Lautan ship customers are generally more satisfied than ASDP ship customers. Factors that influence passenger satisfaction: On-time departure schedule; Crew service; Ship cleanliness and facilities; Ticket price; Passenger boarding and disembarkation process. Research shows that the percentage comparison of passenger satisfaction on these two ships is significantly different where the Dharma Lautan Utama ship has a high percentage on each satisfaction assessment indicator, while the ASDP ferry ship is only in the highest percentage range of 30%.
Co-Authors Diah Vitaloka Ismail Nur Indah Sari Sulastriani R Sultan