The Trustpower TECT Rescue Helicopter was dispatched to State Highway 2, Pikowai at 8am on Saturday, to airlift a 16-year-old male driver injured when his car left the road and collided with trees.
The patient received multiple injuries and was stabilised at the scene before being flown to Waikato Hospital for further treatment.
Two passengers in the vehicle received minor injuries.
No other vehicles were involved.
The rescue helicopter was called due to the seriousness of the injuries and distance to the required hospital.