I remember back in August of '96, that a privately owned AH-1F crashed out near Palmdale Ca. while being used in filming of a commercial. Killed the Co-pilot, and Pilot walked away with minor injuries. Heres a link to the NTSB report on it:
http://www.ntsb.gov/ntsb/brief.asp?ev_id=20001208X06541&key=1