NTSB cites poor maintenance as likely cause of fatal 2016 copter crash
By Rob Shikina firstname.lastname@example.org
Feb. 25, 2018
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CINDY ELLEN RUSSELL / 2016
Poor aircraft maintenance, including lack of grease in a vital drive shaft, was pegged as the probable cause of a helicopter crash near the USS Arizona Memorial that killed a 16-year-old boy in 2016, according to the National Transportation Safety Board.