"We make that a real focus of the business. He would have been seen to within 30 seconds by our first responders."
There were always three ambulances on the circuit for these types of events, he said.
Auckland Westpac Rescue Helicopter crew chief Mark Cannell said they were called at 10.32am to reports of a man with critical injuries following a crash on the race track.
The significant impact marks on his helmet indicate that if his helmet was not up to speed or was in poor repair it would have been a different story, he said.