THE Westpac Rescue Helicopter Service (WRHS) was tasked on a primary mission to the Upper Hunter on Wednesday afternoon.
It is believed a 29-year-old man has been run over by a tractor on a property at Davis Creek, north-east of Muswellbrook.
He's sustained a number of injuries, according to the WRHS.
After being treated by paramedics, the man was eventually conveyed to John Hunter Hospital, suffering pelvic and rib injuries.
He is in a stable condition.