Originally Posted by
Cofyknsult
Not sure they are a legal requirement worldwide, but they are pretty much the norm everywhere i have flown... Of course there is always the odd case where, although present, the door remains open during the whole flight, as was the case during one of my trips with Royal Air Maroc, which happened to be to JFK and a Delta codeshare. I did report the incident to the TSA at the time and received a courteous reply announcing action on the subject.
Not sure it is so odd with foreign airlines. I had a similar occurrence on Air France. The pilots family or relatives must have been on board and the cockpit door was open most of the flight with the kids running in and out. Needless to say it made me most uncomfortable.