10 Most Mysterious UNSOLVED Plane Disappearances February 28, 2024May 22, 2015 by Peter Scott From PIA Flight 404 in 1989 to MH370 in 2014 here are 10 unsolved plane disappearances. [youtube https://www.youtube.com/watch?v=oFOZwAW6uso] See also January 29 - Happy Birthday, Lawrence Hargrave Share on: