2023 EV 97 Eurostar SL Accident in the LKHV ATZ (OK-OUR)

Overview and Investigation Scope The Czech Institute for Expert Investigation of Causes of Aircraft Accidents issued a final report, designated CZ-23-1072, concerning an accident involving an ultralight aircraft. The aircraft was an EV 97 Eurostar SL with the registration OK-OUR 03. The accident occurred on 12 September 2023 within the ATZ LKHV. The report was published in Prague in November 2024. The investigation was conducted in accordance with European Parliament and Council Regulation (EU) No 996/2010, Czech Act No. 49/1997 on Civil Aviation, and Annex 13 to the Convention on International Civil Aviation. The stated purpose of the investigation was the prevention of future accidents and incidents, without determining blame or liability. ## Report Content The final report includes sections covering factual information, analyses, conclusions, and safety recommendations. Factual information addresses the flight sequence, injuries, aircraft damage, other damage, personnel information, aircraft information, meteorological conditions, radionavigation and visual aids, communication services, airport information, flight recorders and other recording devices, the accident site and wreckage, medical and pathological findings, fire, search and rescue, and tests and research. The report also includes information on operating organizations and supplementary information, including references to the flight manual, UL 1 rules for the operation of sport flying devices, UL 3 training directive, LA 1 organizational directive, and a forensic medicine textbook. ## Analyses and Conclusions The analyses section covers the crew, the ultralight aircraft, the conduct of the flight, the critical situation, and the influence of weather conditions. The conclusions section presents findings of the commission regarding the pilot-student, the instructor, the ultralight aircraft, and weather conditions, followed by causes. ## Safety Recommendations The report includes a section for safety recommendations, although the specific recommendations are not detailed in the provided source excerpt.