On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.

Tangaroa

NIWA

(1). 35 tonne A-frame, (2). 10-tonne A-frame, (3). cone penetration testing or seabed drilling equipment, (4). autonomous underwater vehicle, (5). underwater cameras, (6). 800 kW stern thruster, (7). 3000 kW main propulsion, (8). satellite positioning, (9). 600 kW bow thruster, (10). 800 kW retractable azimuth, (11). dive support, (12). HiPAP 500, (13). seabed transponder, (14). remotely operated vehicle.