Overview

• The disruption began Friday night and continued into Sunday, affecting Heathrow, Brussels and Berlin, with Dublin and Cork reporting minor impacts.
• Brussels Airport asked airlines to cancel half of scheduled departing flights on Sunday to reduce queues and avoid late cancellations.
• Collins Aerospace, a unit of RTX, acknowledged a cyber-related disruption to its MUSE platform and said teams are working to restore services, with no public attribution.
• Airports reverted to manual check-in and boarding, creating long lines, delays and cancellations; Cirium reported 29 cancellations on Saturday across Heathrow, Berlin and Brussels.
• National and EU cyber agencies, including the UK NCSC, Germany’s BSI, the European Commission, ENISA and EUROCONTROL, are engaged, and officials said safety and air traffic control were unaffected.