According to Auckland Rescue Helicopter Trust, he needed to be extracted by winch. The patient was flown to Waikato Hospital in a serious condition.
A company spokesperson said it was a crew involved in the accident.
"After receiving medical care onboard, the crew member was transported ashore for additional support. We continue to support our crew member in their recovery."
The cruise ship, which was 45 NM/nautical miles (83 km / 52 mi) off the coast northwest of New Plymouth NZ, contacted the Rescue Coordination Centre at ~5 am on Tuesday, January 10th, requesting assistance.
For more Coral Princess incidents and accidents see the ship's CruiseMinus page.