POSTED: Saturday, September 8, 2012 - 6:00am
UPDATED: Saturday, September 8, 2012 - 6:04am
NBC NATIONAL NEWS — The National Transportation Safety Board is investigating Saturday's fatal jet crash at Iowa's Quad City Air Show.
Pilot Glenn Smith, 59, 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.