A fixed wing, single-engine plane crashed Monday alongside the runway at the Schaumburg Regional Airport.
The aircraft's wing was separated when the plane flipped over. Witnesses on the ground said it "fell out of the sky."
Authorities say the pilot, a 66-year-old man, possibly of Chicago, was removed from the aircraft by the Schaumburg Fire Department and pronounced dead at the scene.
Positive identification and notification of relatives is pending.
There is no damage to the runway. The airport is currently closed.
Representatives from the National Transportation Safety Board are expected at the airport soon to begin their investigation.