This October marked the seventh anniversary from New Zealand’s worst marine environmental disaster: The grounding of the Liberian-flagged container ship ‘Rena’ on the Astrolabe Reef resulted in a discharge of 200 tonnes of heavy fuel oil into the water, while it is acclaimed as the second most expensive salvage operation in maritime history.
https://safety4sea.com/cm-learn-from-the-past-mv-rena-grounding/