In The News Posted January 16, 2018 Share Posted January 16, 2018 The NTSB issued its final report on Tuesday following its investigation of the Bell 525 crash in July 2016 that killed two pilots during a test flight in Texas. The board cited a “severe vibration” of the helicopter, “which was not predicted during development” as the probable cause of the crash. The vibration led to the crew’s inability to maintain sufficient rotor rotation speed, leading to excessive flapping of the main rotor blade. The rotor blade contacted the tail boom, leading to the in-flight breakup. View the full article Link to comment Share on other sites More sharing options...
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