Updated 6-11 with victim identifications.
A well-known Kenosha real estate agent and three members of her family were killed Sunday when the single-engine plane she was piloting crashed near the Monroe Municipal Airport.
The victims were identified Monday afternoon as Colleen Deininger, 81; a daughter, Melisa Deininger-Dickman, 53; and two grandchildren, Emmarose Dickman, 17, and Alex Dickman, 13, all residents of Kenosha.
Colleen Deininger founded Century 21 Colleen Realty in the late 1970s, becoming the first woman to own a real estate business in Kenosha. She obtained her pilot's license in 1994.
Sunday's crash happened just after noon about a mile north of the airport. The victims were planning on celebratinhg a graduation that afternoon, according to the Green County Sheriff's Dept.
Green County Sheriff Mark Rohloff says the Cessna four-seater went down in a field and struck some trees. The plane had taken off from the Kenosha Regional Airport.
Rohloff says a witness heard the plane losing power, saw it descending and noticed flames coming from it.