The helicopter went down near Flagstaff, Ariz., while assisting the police in their response to an active shooter on the ground.
A National Transportation Safety Board preliminary report found a slackline was being parted when the MD 369FF crashed in Tonto National Forest.
More than a week after the horrific helicopter-plane collision near Washington, salvage crews have recovered most of the wreckage.
WASHINGTON — A series of systematic failures caused a Connecticut-built U.S. Army helicopter to crash into a passenger jet ...
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