Transcript for Iowa Air Show Crash Kills Texas Pilot: Caught on Tape
sam. We turn to a shocking crash, caught on tape this weekend. A plane catching on fire, slamming into the ground at an iowa air show. It's raising new questions about air show safety. Clayton sandell has the story. Reporter: This morning, investigators are sorting through the aftermath of a dramatic crash caught on tape. It just crashed. Reporter: The plane was flying in formation when suddenly, it careens down into this field. A ball of flames. It happened at the quad city air show in davenport, iowa. 59-year-old glen smith, who required from a tech firm to pursue his dream of flying vintage planes, was killed. We don't see anything at this time. We want to make sure we have it documented, we've collected everything. This is what he would have wanted. Reporter: Since 1991, air show accidents in north america have killed 72 piles and performers. For the 12 million spectators that enjoy them every year, they're almost always safe. There hasn't been a fatality since 1952. That as because of strict rules in place. Reporter: Aircraft must stay 500 to 1500 feet away from crowds. There are new changes for the very different world of air racing. After this p-51 mustang slammed into the crowd last year in nevada. 11 were killed. This spring, the ntsb called for stricter rules for air races and more training for pilots. Changes for the race course to better avoid spectators. You'll see people flying airplanes right to the edge of the envelope. Reporter: For many, a thrill worth taking. For "good morning america," clayton sandell, abc news, denver. And our thoughts to the pilot and his family.
This transcript has been automatically generated and may not be 100% accurate.