One person was killed in a Douglas county plane crash Monday morning. According to KMIT in Mitchell, the crashed happened before 11:00 a.m. near the intersection fo 404th avenue and 273rd street six miles northweset of Parkston. The plan has been identified as a crop dusting plan. The National Transporation Safety Board and Federal Aviation Administration have been notified and are investigating the crash. This is an ongoing investigation and little more information has been released.