Stuff.co.nz is reporting an "Emergency Landing" at Wellington of NZ535 flying from AKL to CHC.
"But an Air New Zealand spokeswoman said it was a flight from Auckland to Christchurch that was "diverted", and was not an emergency landing.
Air New Zealand spokeswoman Tracy Mills said staff noticed a smell of smoke onboard and so the plane was diverted."
Emergency landing at Wellington Airport | Stuff.co.nz