The National Transportation Safety Board is investigating a deadly plane crash in Boone County.

The single engine Cessna had just taken off from the Boone airport when it went down in a farm field about a mile north of the Farm Progress Show. The plane had flown over the show all week, pulling an advertisement banner for Agrigold seed corn. It was on its way to the show Thursday morning when it crashed.


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Bob Johnson saw the plane go down. He says the banner was spinning and the plane was exceptionally low. "I thought, buddy you better get up in the air. No more had I thought that and the banner got caught in the corn and the plane just stopped and went straight down, straight in the ground."

The pilot and the plane are from Ohio. The Federal Aviation Administration says it is registered to Drake Aerial Enterprise and is believed to have been flying for American Aerial Ads, also out of Ohio. A person who answered the phone for the company had no comment on the crash. Twenty-four-year-old Adam J. Danhauer of Whitehouse, Ohio was killed in the crash.

Johnson and others attending the Farm Progress Show say the plane caught their attention earlier this week.

"I always thought it was a pretty big flag for such a small plane," Johnson told us.

Keith McDonald estimates the banner was twice the size of the plane. He says he watched the plane struggling Wednesday.

"He was having some problems with the banner you could tell it was stalling out," says McDonald. "I'm surprised they sent him back up."