1953
- September 6 – National Aircraft Show (Dayton, Ohio) – Marine pilot Major William T. Tebow was injured when the Sikorsky helicopter he was flying "brushed rotor blades" with another helicopter and crash-landed. Tebow was flying in formation when the accident occurred.
- September 19 – Canadian International Air Show Royal Canadian Air Force Canadair Sabre 4, piloted by S/L W.R. Greene crashed into Lake Ontario. Greene, who had replaced the originally slated pilot Gordon Bennett, was killed. A T-33 formation team also performing in the show truncated their performance due to low cloud and rain and had entered clouds during looping maneuvers. One aircraft attempted loop recovery without sufficient altitude and hit Lake Ontario.
Read more about this topic: List Of Air Show Accidents And Incidents