The plane had left from Chicago and was heading to Canada on a fishing trip, officials said.
At least two elementary school educators from suburban Bensenville are among the victims in a deadly plane crash overnight Saturday, CBS Chicago reports.
The accident remains under investigation by the Price County Sheriff's office, National Transportation Safety Board and Federal Aviation Administration. Price County Sheriff Brian Schmidt told WJFW-TV that the main passenger compartment of the plane was found in woods near Highway 111, with other debris scattered along the highway.
4 train cars derail in Washington; minor injuries reported
The West Pierce Fire and Rescue department said the first four cars of the 15-car northbound train derailed. Service usually runs between Vancouver, Canada, and Eugene-Springfield, Oregon, according to local reports.
The Bensenville School District said that maintenance director Charles "Chuck" Tomlitz was also on board and was killed. Investigators did not release any details about the identities of the victims at a Sunday news conference, but the Sheriff's Office confirmed they were all adults, WSAW reported.
The crash occurred in a wooded, swampy area, said Lieutenant Gabe Lind of the sheriff's office.
The NTSB said the pilot radioed air traffic controllers about the weather right before the plane crashed.