Posted 2:29 PM 9/3/2012 : Caught on Cam: Air Show Disaster in Iowa
(NBC NEWS) - The National Transportation Safety Board is investigating Saturday's fatal jet crash at Iowa's Quad City Air Show.
59-year-old pilot Glenn Smith was killed when his 1984 Czech L-39 nosedived into a field as air show attendees looked on.
Smith belonged to "The Hoppers", a club of aviators that restore and fly Soviet-era jets.
There were no signs of distress or mayday calls prior to the crash.