POSTED: Monday, September 3, 2012 - 12:00pm
UPDATED: Monday, September 3, 2012 - 12:04pm
nbc national 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.