Some family members of 7 victims visit scene of crash . Investigators looking into whether the single-engine plane was overloaded . Watch witness describe what he saw » . Holy Cross Cemetery says 7 children , 14 adults were aboard plane that crashed in Montana , Butte . No recorders aboard ; it 's not clear whether details of the crash will ever be known .
Some family members of 7 victims visit scene of crash . Investigators looking into whether the single-engine plane was overloaded . Holy Cross Cemetery says 7 children , 14 adults were aboard plane that crashed in Montana , Butte . No recorders aboard ; it 's not clear whether details of the crash will ever be known .