Auckland's Westpac helicopter crew races to save two teenage girls fighting for their lives after their car crashed and rolled off the Waiwera Hill.

It's another hot summer's day and the calls keep rolling in for Rescue 1.

On Great Mercury Island near Coromandel, a scuba diver has surfaced unconscious without a pulse. Without Rescue 1 he may soon be dead.

Tonight, the Rescue 1 team respond to a call out where an elderly couple in their 60's, are in a critical condition after a head on collision.

A truck driver, who had one leg amputated 40 years ago, has crashed his truck and crushed his remaining leg - if Rescue One can't get him to hospital in time, he will bleed to death; a farmer has susp

Westpac chopper paramedic Bruce Kerr has a frantic battle to save a car crash victim with a life-threatening head injury.