A MAN who crashed his motorbike along Curra Estate Rd on Saturday night may not have been wearing a helmet.
An ambulance spokesman, who was at the scene, said the call came in about 9.15pm and it "appeared" the man was not wearing any sort of protection on his head.
The spokesman said the man suffered head and neck injuries in the fall; it is unknown if he had been drinking.
"He had severe head injuries," the spokesman said.
The bike rider, 36, was stabilised at the scene by paramedics before being driven to Archery Park where the AGL Action Recue Helicopter met him.
He was further stabilised before being air lifted in a "very serious" but stable condition to the Royal Brisbane Hospital.
A Police Media spokeswoman said the rider had "lost control" before crashing and landing in long grass.
He is beleived to have been from Gympie.