September 19, 2011
Below, a bystander video shows the moment of the crash. The video was one of the most viewed in the past week. VIEW AT YOUR OWN DISCRETION. (Some adult language.)
A video of the aftermath was also posted and drew significant attention:
Then on Saturday, a second crash occurred, this time in Martinsburg, West Virginia. Video posted of that incident shows the moments just before and after the tragedy:
Additional footage here.
In August, tragedies at airshows in Michigan and Kansas City also drew national interest.