Hatch Cover is an important component in bulk vessels with a function as a cargo protection in the hatch from seawater and other external factors. HatchCover maintenance should ideally be carried out through the Planned Maintnance System (PMS) in accordance with Resolution MSC.169(79) Standard for Owners' Inspection and Maintnance of BulkCarrier HatchCovers. However, during the implementation of marine practices on MV. Ultra Cory on December 20, 2024–December 23, 2025, damage was still found to some components of the Hatch Cover, which indicates that the implementation of PMS was not carried out optimally. This study aims to analyze the application of PMS Hatch Cover and factors that can influence its implementation on board. The method used is qualitative descriptive with data collection through observation, interviews, and documentation. Data analysis is carried out through data reduction, data presentation, and conclusion drawn. The results of the study show that the implementation of the Planned Maintenance System has not been carried out optimally due to delays in the implementation of maintenance schedules, lack of optimal supervision of hatch cover conditions, and limited availability of spare parts. This condition causes several hatch cover components to suffer a decrease in function, potentially disrupting the smooth operation of the ship. This study concludes that the consistent implementation of the Planned Maintenance System according to procedures, supported by continuous supervision and the availability of adequate spare parts, is able to increase the reliability of the hatch cover and support the safety and smooth operation of the ship.
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