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Quotes
John McClane: Hey man, when you go through the airport metal detector, what sets it off first? The lead in your ass or the sh*t in your brains?
Mistakes
After McClane gets the car towed away, notice that it is night and snowstorming all over the place. When he enters the airport, you can see that outside it is daytime and sunny, yet McClane shakes off snow whereas other people in the airport don't have snow on them at all. The airport scenes were filmed at LAX's Bradley International Terminal during the month of February, so this explains the sunny day. See more...
Trivia
In March 1993, the Boeing 747-100 cargo aeroplane featured in this film (registration N473EV) was involved in an incident at Anchorage International Airport, Alaska, USA. Shortly after take-off the plane experienced troubles due to severe weather and the number two engine separated from the plane. Strangely enough, the number two engine is what "ingested" Major Grant after the encounter with McClane on the wing. The plane managed to land safely after this incident with no injuries. See more...
Die Hard 2 (1990) - 1 easter egg
Directed by Renny Harlin, starring Bonnie Bedelia, Bruce Willis, John Amos, William Sadler (add more)
Easter eggs are hidden bits on DVDs which if you know where to look can provide all sorts of fun extras.