Please refer to California Assembly Bill No. 678, CHAPTER 747 [Approved by Governor October 14, 2007. Filed with Secretary of State October 14, 2007]
Now I will grant you, a good defense lawyer would try to claim that killing someone with a remotely operated drone does not constitute "the operation of a motor vehicle, aircraft, or water vehicle that results in injury or death" but if you squint, it just might if they could prove intoxication.