United Airlines announced that its cockpit door access information may have been made public, but said it has other procedures in place to secure flight decks.
원문출처 : http://www.cnn.com/2017/05/14/us/united-cockpit-door-access-information/index.html
원문출처 : http://www.cnn.com/2017/05/14/us/united-cockpit-door-access-information/index.html