A woman dies after crashing her car into a tractor.

It happened on South M-18 a half mile south of Dale Road in Gladwin County's Beaverton Township around 8:00 pm Saturday.

The sheriff's department says 63-year-old Carolyn Swanstra from Gladwin hit the rear of a field implement the tractor was pulling.

Another passenger was air-lifted to the hospital.

She is in critical condition.

The driver of the tractor was not injured.