Jack Parshall
American aviation safety investigator
From Wikipedia, the free encyclopedia
Raymond P. (Jack) Parshall (c.1894 - May 14, 1973)[1] was an American pilot[2] and air crash investigator who became lead investigator for the Civil Aeronautics Board. Investigations that he led include the bombing of United Air Lines Flight 629 in 1955[3] and the 1956 Grand Canyon mid-air collision. His report on the Grand Canyon collision resulted in major changes to air traffic control in the United States.[4][5]