Date: March 16, 1960
Location: Tell City, Indiana
Aircraft: Lockheed 188C Electra
Reg: N121US
Airline: Northwest Orient Airlines
Flight No: 710
Fatalities: 63 : 63

A design flaw in the Electra caused an ocillation know as whorl mode to produce a flutter in the wings which led to the detachment of the wing. The plane crashed to earth in a high speed dive.