<![CDATA[Aids to navigation (AtoN) are equipment or systems outside a vessel, designed and operated to enhance the safety and efficiency of ship navigation for domestic and international shipping. This study aimed to identify the types of AtoN available and to assess fishermen's understanding of AtoN and shipping channels at Muara Angke Nusantara Fishing Port (PPN Muara Angke). The research was conducted in March 2022 using a qualitative survey method involving 30 skippers of fishing vessels under 30 GT, selected through accidental sampling. Data were collected through interviews and questionnaires and analysed descriptively. Results show PPN Muara Angke provides only 6 of 14 AtoN facilities required under Ministerial Regulation No. 25/2011, consisting of light beacons and marker buoys (visual) and radio and GPS (electronic); no audible AtoN was found. Overall, fishermen's understanding of AtoN falls into the not understanding category, with only 23.33% of skippers aware of what AtoN is and 30% understanding the shipping channel. Age, education level, and region of origin influenced this understanding. Limited understanding and incomplete facilities potentially increase the risk of shipping accidents around the port. This study recommends safety-awareness programmes for fishermen and gradual completion of AtoN facilities by the port authority. Key words: aids to navigation, fishermen's understanding, Muara Angke Nusantara Fishing Port, shipping safety]]>
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