Robert Sumwalt has served as a member of the National Transportation Safety Board since August 2006. He spoke to the Wichita Aero Club in February.
Robert Sumwalt has served as a member of the National Transportation Safety Board since August 2006. He spoke to the Wichita Aero Club in February. Jerry Siebenmark File photo
Robert Sumwalt has served as a member of the National Transportation Safety Board since August 2006. He spoke to the Wichita Aero Club in February. Jerry Siebenmark File photo