5 Killed in Tour Helicopter Crash Near Lake Mead

There have been quite a few crashes:

August 12, 2009:  TOUR HELICOPTER MAKES EMERGENCY LANDING IN LAKE MEAD.

August 10, 2009: TOUR HELICOPTER MAKES SAFE EMERGENCY LANDING IN PARK

August 10, 2001: Aircraft Accident Report [5 died in crash into Grand Wash Cliffs]