A hang glider pilot has been airlifted to hospital with serious injuries after crashing into the base of a cliff at Dudley.
The Hunter's Westpac Rescue Helicopter was called in to winch the 47-year-old off rocks at about 4.30 on Sunday afternoon.
He suffered multiple leg fractures in the crash and is now in a stable condition in the John Hunter Hospital.
Meanwhile, the rescue chopper was called out to a property near Gloucester on Sunday night where a 45-year-old man had suffered serious injuries when his tractor rolled on him.
Earlier, a 56-year-old man was winched out of dense bush in the Barrington Tops National Park after crashing his motorbike.
He was flown to the John Hunter with serious leg injuries.
And, two men aged 21 and 27 were flown to the John Hunter with multiple injuries after their car rolled down a 20 metre embankment near Dungog on Saturday night.
