Susan BottingLocal Democracy Reporter·Northern Advocate·24 Jun, 2026 05:00 PM5 mins to readŌpua’s Andrew Johnson and the Northland-made $5m ROV submersible dredge planer. Photo / Susan BottingAn innovative Kiwi No-8-wire approach has produced a world-first large-scale submersible dredge planer designed to remove invasive caulerpa seaweed.The unusual-looking $5 million remote underwater vehicle (ROV) was launched for final sea trials at Northland’s Omākiwi Cove on June 22.
The launch marks the culmination of four years of
