After two years of significant traffic reductions, the aviation industry in Europe experienced a strong recovery in summer 2022. However, the recovery came together with significant travel disruptions. Travel demands and traffic levels for summer 2023 are forecast to be significantly higher than in 2022. Air operators, aerodromes, ATM/ANS service providers, maintenance organisations, and training organisations continue to face significant challenges in having sufficient qualified personnel, availability of aircraft, spare parts, and traffic slots to cope with the increased demand. Precursors of possible disruptions have already been evident in April and May 2023 with some time to go until the peak of the summer operational season (...)