Shizuoka Helicopter crash three years in the past: Did the blade change into uncontrollable as a result of an abnormality? | NHK

Three years in the past, a helicopter crashed right into a mountain forest in Shimada City, Shizuoka Prefecture, killing the pilot, and the National Transportation Safety Board discovered that the principle rotor blade developed an abnormality after experiencing a robust downdraft. An investigation report has been compiled stating that the plane seems to have misplaced management and crashed.

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