I have proudly served in the improvement of aviation safety throughout my professional career at Turkish Airlines, the Directorate General of Civil Aviation of Türkiye, the Safety Management Section of ICAO, the Turkish Civil Aviation Academy, and the Qatar Civil Aviation Authority respectively.

Currently, I have been holding the “Head of Safety and Risk Management Section” position at the QCAA where I manage activities within the scope of the Qatar State Safety Programme (SSP). For the support of regional and global aviation safety performance improvement, I actively participate in the ICAO safety management mechanisms to represent Qatar with the most possible effectivity. In this manner, I am the Vice-Chairperson of the ICAO MID Annual Safety Report Group.

ICAO Safety Management Panel (SMP) is the international expert committee that develops global safety management standards. I have been actively involved in the activities of the ICAO Safety Management Panel (SMP) for many years. Initially, I supported the SMS Working Group of the SMP and led the Training and Promotion subgroup during my tenure at ICAO. Followingly, I became the Advisor to the Deputy Director General of the Turkish DGCA during his membership in the SMP. At present, I am the ICAO Safety Management Panel (SMP) Member nominated by the State of Qatar.

The Universal Safety Oversight Audit Programme (USOAP) is a program through which ICAO monitors the fulfillment of the safety oversight obligations by its Member States. I am currently an ICAO USOAP Auditor in Airworthiness (AIR) and attend ICAO USOAP missions as a team member.

I am certified as an ICAO-Qualified Instructor for the ICAO State Safety Programme (SSP) courses and I deliver courses in several countries on behalf of ICAO. Along with my professional career, I am also involved in academia with a Doctorate (PhD) degree in Aeronautical Engineering focused on aviation safety management both at the State and service provider levels.

• Aviation Safety Management
• Risk Management
• Aeronautical Engineering
• Aerospace Engineering

• Aslan, S.; Demirci, S.; Oktay, T.; Yesilbas, E. Percentile-Based Adaptive Immune Plasma Algorithm and Its Application to Engineering Optimization. Biomimetics 2023, 8, 486.
• Yesilbas, E.; Oktay, T., 2022. Analysis of aircraft ramp inspection results as an indicator of the operational safety performance level in civil aviation: the EU ramp inspections case, 49-76. 7. International New York Conference on Evolving Trends in Interdisciplinary Research & Practices, 1-3 October 2022, New York City, Liberty Publications, 906s.
• Yesilbas, E.; Oktay, T., 2022. Management of aviation safety at the state level: Current status of Turkish civil aviation, 212-221. Karadeniz 11th International Conference on Applied Sciences, 17-18 December 2022, Rize, Academy Global Publishing House, 769s.
• Yesilbas, E.; Oktay, T., 2023. Aviation safety management in the European Union at a glance: “Who” does “What”?, 137-148. 8. International New York Conference on Evolving Trends in Interdisciplinary Research & Practices, 1-3 May 2023, New York City, Liberty Publications, 930s.
• Yesilbas, E.; Oktay, T., 2023. A study on the aviation safety management training needs of States: Analysis of available ICAO resources, 235-249. Karadeniz 12th International Conference on Applied Sciences, 3-5 March 2023, Rize, Academy Global Publishing House, 456s.
• Yesilbas, E.; Oktay, T., 2024. A Novel Method to Assess the State Safety Programme (SSP) Implementation Levels of the States: The ICAO SSPIA Maturity Model, 130-142. Karadeniz 15th International Conference on Applied Sciences, 8-10 March 2024, Rize, Academy Global Publishing House, 606s.
• Yesilbas, E., Özgür, B., Ozen, E. and Oktay, T. (2025), "Simultaneous and stochastic design of piston-prop TUAV vertical tail and its autonomous system", Aircraft Engineering and Aerospace Technology, Emerald Publishing Ltd. (https://doi.org/10.1108/AEAT-11-2024-0311).

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