Two medical aircraft crash on Wednesday , one in Iowa , the other in Oklahoma . The pilot of the plane that crashed said he was flying too slow and lost control over a farm field near Des Moines. Increase in accidents from 2002 to 2005 earned federal attention in 2006 .
Two medical aircraft crash on Wednesday , one in Iowa , the other in Oklahoma . The Iowa crash killed 3 people , while 4 were injured in Oklahoma ; no patients were hurt . Increase in accidents from 2002 to 2005 earned federal attention in 2006 .