UPDATE: Agencies conducting ‘fatal aircraft investigation,’ 4 people on board in Trilla plane crash

UPDATE at 12:25 p.m. TRILLA, Ill. (WCIA) -- Four people were on board a plane that crashed in Trilla, and Illinois State Police is currently conducting a "fatal aircraft investigation." According to State Police, ISP Troop 7 responded to 551-587 County Road 1400 N in Trilla between Coles and Cumberland Counties at approximately 10:15 a.m. for the report of a small single engine plane crash. The location is three miles south of Mattoon and just southwest of Coles County Memorial Airport. According to the Federal Aviation Administration (FAA), four people were on board the plane. Additionally, State Police said that this is an active and ongoing "fatal aircraft investigation." The FAA and the National Transportation Safety Board (NTSB) are also currently investigating the situation. There is no further information at this time. This is a developing story. WCIA will continue to update as new information is received. TRILLA, Ill. (WCIA) -- Multiple agencies are on scene after a single engine plane crashed in Cumberland County Saturday morning. A Coles County EMA employee confirmed with WCIA that a single engine plane clipped power lines in Coles County near Trilla Road and crashed in a field on the Cumberland County side of the road. There are no details on potential injuries at this time. Illinois State Police, the Mattoon Fire Department and the Coles County Sheriff’s Department are all currently on scene. The Federal Aviation Association is also currently en route to the scene. There is no further information at this time. This is a developing story. WCIA will continue to update as new information is received.