Home / KNSS Radio / News / National / Former NTSB and FAA official: The post-crash fire may complicate an investigation Former NTSB and FAA official: The post-crash fire may complicate an investigation Photo credit Getty Images By KNSS News KNSS Radio January 26, 2020 01/26/2020 11:02 pm Alan Diehl talks about the challenges facing investigators trying to discover the cause of fatal helicopter crash.
