The StarTribune reports the four men in the plane that crashed near the Caledonia airport in southeastern Minnesota were from Michigan.
Killed were Joel A. Garrett, 79, of Troy; Dale E. Garrett, 49, of Berkley; and John P. Bergeron, 50, of Birmingham. Joseph S. Stevens, 61, of Bloomfield, Mich, was severely injured.
Officials from the National Transportation Safety Board are expected on the scene Saturday afternoon to begin an investigation.
The Winona Daily News reports the plane crashed around 4:30 p.m. near Caledonia. It was en route from Troy Mich. to the Houston County Airport.
The crash occurred within a mile of the airport.
Airport manager Brian Pogodzinsi said the airport is unmanned and pilots are not required to file flight plans.
The six-seater is registered to Garlam Aviation Co., located in Troy, according to FAA records.
WXOW in LaCrosse, Wisconsin reports that a farmer found the crash site, but did not hear the crash and was not sure when the crash occurred.
The Rochester Post Bulletin says the crash happened about a mile south of the Houston County Airport near the Iowa border.