The Expert Talk held in Vienna in 2025 brought together key stakeholders in the aviation industry to deliberate on shaping a climate-friendly future for aviation. The event, organized by Trapp Networks (AACII) and TU Wien, featured discussions on reorienting research and development priorities in aviation in light of recent industry developments and the Flightpath 2050 initiative. Leading experts presented on a range of topics, including EU policy developments, alternative propulsion systems, propeller noise reduction in Advanced Air Mobility, and hydrogen-electric propulsion systems. The talks also delved into gearbox-based technologies for reducing CO₂ emissions in various aircraft types and the advancements in electric flying through battery-based propulsion systems. Highlighting the role of TU Wien in driving research for sustainable aviation, the event underscored the importance of collaboration between industry, academia, and research agencies. The emphasis on electrification as a viable pathway towards greener aviation showcased the industry's commitment to adopting cleaner technologies. Such discussions pave the way for a more sustainable and eco-friendly aviation sector, aligning with global efforts to mitigate climate change and reduce emissions. The event concluded with a call for further collaborative initiatives and research efforts to propel the aviation industry towards a more environmentally conscious future.