One incidence that resulted in disaster was a BOAC
B-707 taking off from Tokyo in 1966. The pilot elected to deviate from the normal flightpath to give the passengers a better view of Mt. Fuji. Due to high winds at the base of Mt. Fuji and the updrafts that resulted, the 707 hit severe turbulence, broke into several pieces, and crashed into the forest. All aboard lost their lives. I read about this crash in the book, Aviation Disasters, which included a photo of the plane taxiing before takeoff. Also present in this photo is a picture of a mangled DC-8 (forgot which airline) that had crash landed the night before with several lives lost. How ironic it was for the BOAC passengers to see the DC-8 wreckage before their fateful flight. Tragic.
Jeff in PHX