Emergency services were called to a crash involving one vehicle in Ohakune early on Sunday morning.
The incident on Park Ave was reported around 12.30am.
Two ambulances and one helicopter attended, a St John spokesperson said.
“We assessed and treated one patient in a critical condition who was airlifted to Wellington Hospital and one patient in a minor condition, treated at the scene.”
A Fire and Emergency New Zealand spokesperson said they attended to assist with ambulance services.