Small-town airports close as fewer pilots take to skies DES MOINES, Iowa — For the first time in 60 years, airplanes won't be roaring down the runway at the airstrip in Onawa, Iowa, this summer. Racing dragsters will.Like many small cities across the country, Onawa is closing its airfield largely because of the steady decline in the number of pilots, especially in rural areas. After June 30, dragsters will be using the 3,400-foot-long concrete runway."It was a very hard decision for our council, but they decided, it's just **t working," said Bradley Hanson, administrator of the...