Overview
- The Lisbon–Prague TAP Air Portugal flight TP1240 in an Airbus A320neo reportedly descended to about 300 meters near Křivoklát before the crew recovered.
- Air traffic control radar indicated the jet had dropped below its assigned altitude, and a controller warned the cockpit, according to Czech reports.
- The Czech Air Accident Investigation Authority has launched an investigation and is reviewing ATC and radar data after designating the event a serious incident.
- Local pilots quoted by media have suggested a possible autopilot setting or mode error, or navigation signal issues, though no cause has been confirmed.
- A passenger described the experience as frightening, yet there were no reports of injuries or damage.