Engine failure led to fatal Army helicopter crash in Afghanistan, investigation finds

Army Chief Warrant Officer 3 James E. Groves III’s helicopter had completed a dive during a test-fire exercise north of Kandahar Airfield in Afghanistan when trouble erupted. The main rotor of his Kiowa Warrior OH-58D wasn’t spinning quickly enough to keep him airborne, and a warning alarm went off as he attempted to climb from a height of about 200 feet.

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