Zhiganbayev, M., & Amelov , M. (2026). INTELLIGENT MAINTENANCE OF AVIATION INFRASTRUCTURE BASED ON A DIGITAL TWIN: FORECASTING THE NEED FOR SPARE PARTS AND SUPPORTING THE SELECTION OF OPERATING HF RADIO BANDS. EKTU Journal of Engineering Sciences, 1(3). https://doi.org/10.51885/3134-8009_JES_2026_3_11