The "Complete knowledge of EVLOS" course focuses on Extended Visual Line of Sight (EVLOS) drone operations. Module 1 introduces learners to EVLOS, its concept, and the required equipment. Module 2 covers pre-flight actions and the significance of visual observer briefings. In Module 3, learners gain insights into in-flight procedures, crew resource management, and safety maintenance. The course concludes with Module 4, offering a summary, a knowledge check, and guidance for further steps. By the end, participants will understand the fundamentals of EVLOS drone operations and be equipped to conduct safe and efficient flights with the necessary protocols and procedures.