FAA to require secondary cockpit barrier on commercial airplanes
cbc.ca
cbc.ca
I've actually seen some airlines position a beverage cart across the entrance of the aisle on the first row to block everyone, while pilots are opening the cockpit door to use the lavatory in flight. There also was a flight attendant behind the cart to tell anyone to back off/turn around.
https://simpleflying.com/federal-flight-deck-officer-program...
flying in oceania and europe is just a more pleasant and human experience. thank god for precheck