Auckland flight from Hong Kong was diverted to Cairns earlier this morning after the crisis on the airport.
Air NZ flight AZD reached the Cairns International Airport at 2.30 am, it was realized that a passenger traveling on Boeing 789 was killed, according to the report.
He does not know how the passenger died.
Air New Zealand spokesman said there was a medical emergency on the aircraft.
"For obvious privacy reasons, we are not able to provide more information about the passenger," she said.
He said the aircraft continued on Oakland, and the schedule has been almost two hours behind.