19.1. Commission Implementing Regulation (EU) 2025/520 of 20 March 2025 amending Implementing Regulation (EU) 2018/1048 as regards the use of performance-based navigation specifications for oceanic operations - European Air Law (Update) View the chapter 19.1. Commission Implementing Regulation (EU) 2025/520 of 20 March 2025 amending Implementing Regulation (EU) 2018/1048 as regards the use of performance-based navigation specifications for oceanic operations by - European Air Law (Update) 19.1. Commission Implementing Regulation (EU) 2025/520 of 20 March 2025 amending Implementing Regulation (EU) 2018/1048 as regards the use of performance-based navigation specifications for oceanic operations