A salvage crew loads the wreckage of a helicopter that crashed on Sheridan Road near Interstate 680 after hitting power lines, onto a truck near Fremont, Calif., on Friday, July 4, 2008. A flight instructor and student have been killed in a helicopter crash near a Northern California freeway that knocked power lines into traffic lanes and started a grass fire. (AP Photo/The Contra Costa Times, Doug Duran)** NO SALES, MAGS OUT, TV OUT**