Southwest flew the first US flight with a secondary cockpit barrier. Most of the fleet won't get one for years.
Secondary flight controls like wing flaps and pitch trim are critical systems that, despite less frequent manipulation than primary controls, can lead to serious emergencies if they fail. Flap system ...
The FAA is now mandating the installation of a secondary physical barrier on the flight decks of all new commercial aircraft. This new rule aims to prevent unauthorized intrusion when the main flight ...