Containers that have been "smashed to smithereens" on the broken ship Rena are being airlifted off by the most powerful single-engine helicopter in the world.
A Bell 214B helicopter was initially used to ferry equipment to and from the cargo ship after the vessel ran aground on the Astrolabe Reef near Tauranga last October, but was now being used to collect debris from crushed containers.
Svitzer salvage spokesman Matt Watson said the heavy-duty helicopter was playing a lead role in the salvage because fewer containers on the badly damaged bow of the wreck were being found intact.
Full containers could still be lifted off by crane barges, but damaged containers needed to be cut up and the debris airlifted off to the waiting barges.
"As the salvage operation progresses, it's becoming more and more apparent that's it's more of a debris removal operation," Mr Watson said.