Abstract The purpose of this research is to find out whether the implementation of PMS ( Planned Maintanance System ) in KM. Bukit Siguntang can run precisely and carefully. This research type uses descriptive quantitative method. This research was conducted at KM. Bukit Siguntang. At that time the writer was carrying out sea practice (Prala), on November 09, 2021 until after June 18, 2022. Sources of data are obtained from primary data obtained directly from the research site by observation at KM Bukit Siguntang, as well as related literature after the thesis. The results obtained from the research are that the understanding of PMS ( Planned Maintenance System ) is lacking and the application is still using manual methods. With these problems, it is necessary to make notes around the machine and the use of an online-based PMS ( Planned Maintenance System ).