The Westpac Rescue Helicopter Service was called to the Taree area twice on Wednesday July 8.
In the early hours of the morning, the helicopter was called to Taree Airport to meet with an ambulance.
The ambulance transported a 53-year-old man who suffered a serious leg injury in a tree felling accident in Taree.
Just after lunchtime, the helicopter service conducted a winch mission 20 nautical miles east of Taree.
A 57-year-old man was winched from a vessel after suffering a medical condition. The man was flown to John Hunter Hospital in a stable condition.
Meanwhile, the service was called to a serious accident at Comboyne on July 3.
Emergency services attended the scene and began treating three patients. A 63-year-old man was treated for serious head injuries before the helicopter service's critical care medical team arrived.
He was stabilised before being flown to Port Macquarie Hospital in a serious condition.
The other patients were transported by road ambulance to the hospital.