Helmiadi, Megi Hudi, Wisnu Aji Nugroho, and Mileniawan Januar Ramadhani. “Incident Analysis and Standardisation of Mountainous Flight Competency for Improving Flight Safety in Indonesia”. Langit Biru: Jurnal Ilmiah Aviasi 18, no. 2 (June 14, 2025): 103 - 110. Accessed June 26, 2025. https://journal.ppicurug.ac.id/index.php/jurnal-ilmiah-aviasi/article/view/1371.