ExplosiveZone on Instagram: "Spiraling Out of Control : USAir Flight 427 :Air Crash Investigation Season 4 Episode 5 On 3 March 1991, a Boeing 737 operating as United Airlines Flight 585 suddenly rolls into a dive and crashes within eight seconds, killing all 25 people on board. On 8 September 1994, USAir Flight 427 also rolls and crashes within thirty seconds, killing all 132 people on board. On 9 June 1996, Eastwind Airlines Flight 517 also rolls unexpectedly in similar circumstances, but the