A sixty-five-year-old California man was killed in the crash of a light helicopter near Yankton Tuesday.
The Yankton County Sheriffs Office said Kevin Rehm of Rancho Palos Verdes California was the only passenger when the craft crashed Tuesday morning and was pronounced dead at the scene.
An autopsy is being conducted in Sioux Falls with the results being released later.
The investigation of the crash is now being handled by the National Transportation Safety Board and the Federal Aviation Administration.