The Waikato Westpac Rescue Helicopter was dispatched at approximately 6pm on 29 October, to a two car collision on SH1 near Atiamuri.
The front passenger of one vehicle was airlifted to Waikato Hospital in a serious condition.
The driver of the same vehicle was taken by road to Waikato Hospital.
The collision caused the road to be closed for a period of time. The Greenlea Rescue Helicopter was among other emergency services also in attendance.