US Army helicopter crash that killed 67 people in Washington was facing technical issues, NTSB finds
The National Transportation Safety Board (NTSB), the US agency tasked with examining major accidents, held hearings from Wednesday to Friday, with rigorous questioning of experts and various other parties including regulators and air traffic controllers
The National Transportation Safety Board (NTSB), the US agency tasked with examining major accidents, held hearings from Wednesday to Friday, with rigorous questioning of experts and various other parties including regulators and air traffic controllers
