ALPA Pilot Union Clamors For Secondary Cockpit Barrier Retrofit As U.S. carriers are required to install physical secondary barriers on all newly manufactured aircraft delivered after Aug. 25, the Air Line Pilots Association International is calling on the FAA to extend that mandate to every in-service aircraft. mark.nensel@in… Tue, 08/25/2026 - 18:50 Author Thierry Dubois Content source Aviation Daily Primary Category Safety, Ops & Regulation