A USMC AH-1W attack helicopter lost its main rotor and its transmission after a red hawk hit the top of the helicopter on Sept. 19, 2011.
The crash killed two pilots from HMLAT-303. Investigators concluded that there is no way to recover from the bird strike.
[thumb]http://www.foxnews.com/us/2012/05/17/report-bird-strike-caused-marine-helicopter-crash/[/thumb]