National Transportation Safety Board member Robert Sumwalt speaks at a news conference in 2015 after an Amtrak train derailment in Philadelphia. Sumwalt will be the keynote speaker at the Wichita Aero Club luncheon on Tuesday.
National Transportation Safety Board member Robert Sumwalt speaks at a news conference in 2015 after an Amtrak train derailment in Philadelphia. Sumwalt will be the keynote speaker at the Wichita Aero Club luncheon on Tuesday. Associated Press File photo
National Transportation Safety Board member Robert Sumwalt speaks at a news conference in 2015 after an Amtrak train derailment in Philadelphia. Sumwalt will be the keynote speaker at the Wichita Aero Club luncheon on Tuesday. Associated Press File photo