Japan Air Lines Flight 123Monday August 12, 1985
The aircraft suffered an aft pressure bulkhead failure at 23,900 ft. The aircraft had severe control difficulties with loss of all controls and eventually after 40 minutes, collided with a mountain. Improper repair of the bulkhead while being supervised by Boeing engineers after a tail strike in 1978. Worst single plane disaster in aviation history. Kyu Sakamoto, 43, famous for his Japanese song "Sukiyaki" was killed in the accident.