aviation-safety.net

8evQK TIL that on 29th November 1976 Grand Canyon Airlines Flight N4125R crashed into the Grand Canyon. Killing all occupants on board. Investigations determined that the cause of the crash was the result of an unrestrained German Shepard taking control of the plane.
gMkvL TIL Flying Tiger Flight 66 - a 747 cargo flight - crashed into a hill after its crew mistook ATC request "descend two four zero zero [2400]" for "descend to four zero zero [400]"
GY4WN TIL that the plane John McClane blows up in Die Hard 2, N473EV, was later nearly destroyed in reality by extreme turbulence which caused one engine to be completely torn from the plane mid-flight.