A single-engine plane crashed in Sonoma County Thursday afternoon, killing one person. A Sonoma County Fire and Emergency dispatcher said the crash happened around 12:45 p.m. in the area of San Luis Road and Broadway south of Sonoma. According to the Federal Aviation Administration, the plane was a single-engine Cirrus SR22 with four people on board that crashed in a field about 1,000 feet west of Sonoma Skypark airport. The Sonoma County Sheriff's Office said one person had been killed and three others aboard the plane taken to a local hospital. Officials later identified the man killed as 38-year-old San Francisco resident William Sachs Goldman. The Santa Rosa Press Democrat reported that two of the injured passengers were children. They were flown by helicopter to the Children's Hospital in Oakland. According to the NTSB, the downed plane is a Cirrus SR22T. The FAA said two inspectors were en route to the crash site.