The last reported "crashed" helicopter didn't crash, but had a hard landing, with no one injured. The media is inflating the numbers and incidents.
Military officials gave no cause for the crash of the CH-46 Sea Knight near Fallujah in Anbar province, about 20 miles from Baghdad.
http://www.baltimoresun.com/news/nationworld/iraq/bal-soldier0208,0,632628.story?coll=bal-home-headlines