Chinese Research Vessel “Da Yang Hao” Arrives in Cook Islands for Seabed Surveys

Introduction

In a move that underscores growing geopolitical and scientific interest in the South Pacific, the Chinese oceanographic research vessel Da Yang Hao has docked in the Cook Islands to begin a collaborative seabed survey mission. The vessel’s arrival marks a new chapter in the Cook Islands’ deep-sea exploration efforts, amid rising global demand for critical minerals and increasing scrutiny over China’s maritime activities.

Mission Objectives and Scientific Collaboration

The Da Yang Hao’s visit is part of a government-approved partnership between the Cook Islands Seabed Minerals Authority (SBMA) and China’s Deep Ocean Affairs Administration (CDOAA). The vessel will conduct a three-day scientific exploration northeast of Rarotonga, using advanced technologies such as:

• Multibeam echosounders
• Deep-towed cameras
• Sediment samplers

Seven Cook Island representatives are on board, actively participating in data collection and analysis. The mission aims to strengthen local marine science capabilities and promote open data sharing.

Strategic and Economic Context

The Cook Islands boasts one of the world’s largest deposits of polymetallic nodules, rich in nickel, cobalt, copper, and other rare earth elements. These minerals are essential for:

• Electric vehicle batteries
• Renewable energy technologies
• Advanced military systems

China and the United States have both ramped up interest in deep-sea mining in the region. The Cook Islands signed a five-year seabed exploration agreement with China earlier this year, while the U.S. secured its own research deal in August.

Environmental and Geopolitical Concerns

While the mission is framed as scientific, critics warn of potential dual-use implications. Chinese research vessels like Da Yang Hao have previously been accused of collecting data that could aid submarine navigation and military operations. In 2021, Palau alleged that the same vessel conducted unauthorized surveying in its Exclusive Economic Zone.

Environmental groups also caution against the risks of deep-sea mining, citing threats to marine biodiversity and oceanic ecosystems. The Cook Islands government has emphasized that all research is conducted in accordance with strict national protocols and oversight.

Public Engagement and Transparency

To foster transparency and public interest, the Da Yang Hao was opened for public tours at Avatiu Port. Visitors were invited to learn about marine science, research technologies, and life aboard a modern oceanographic vessel. The SBMA stated that all data collected will remain under Cook Islands stewardship and be shared through public platforms.

Conclusion

The arrival of the Da Yang Hao in the Cook Islands highlights the intersection of science, strategy, and sustainability in the Pacific. As nations compete for access to critical seabed resources, the Cook Islands is positioning itself as a key player in marine research and resource management. Whether this collaboration leads to sustainable development or geopolitical friction remains to be seen.

Here is a table summarizing the general particulars of the Chinese research vessel Da Yang Hao: