China Coast Guard’s Water Cannon Use Against Philippine Vessels: UNCLOS Legality and Policy
DOI:
https://doi.org/10.25041/plr.v7i1.5207Abstract
This article examines whether the China Coast Guard's use of water cannons against Philippine vessels in the disputed South China Sea can be justified as a maritime law enforcement measure under the United Nations Convention on the Law of the Sea (UNCLOS). The analysis focuses on three legal issues: the legal status of the maritime area where the incident occurred, China’s jurisdictional basis to conduct law enforcement, and the compliance of water cannon use with the principles of necessity, proportionality, and due regard. This study uses a normative legal research method by analyzing UNCLOS provisions, the 2016 South China Sea Arbitration, and relevant international standards on the use of force in maritime law enforcement. The article argues that the legality of water cannon use cannot be assessed only from its non-lethal character. It must first be determined whether China had lawful jurisdiction over the area and the vessel concerned. If the incident occurred in an area where the Philippines holds sovereign rights under UNCLOS, or where China’s historic rights claim has no legal basis, China’s use of water cannons cannot be justified as lawful maritime enforcement. Such conduct may instead constitute coercive action that interferes with navigational rights, Philippine sovereign rights, and the duty of due regard. The article concludes that the use of water cannons in disputed maritime areas must meet strict requirements of necessity and proportionality, and any excessive or jurisdictionally unsupported use may give rise to international legal responsibility.
Keywords:
Disputed waters, maritime law enforcement, South China Sea, UNCLOS, use of force, gray-zone tacticsDownloads
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References
Askari, M U, ‘China’s Territorial Disputes in the South China Sea: A Prologue from Past to Present’, Journal of the Research Society of Pakistan, 2019
Borte, Aaron Leonardo, and Ong Argo Victoria, ‘The South China Sea International Disputes with the ASEAN Area (in International Maritime Law)’, International Journal of Law Reconstruction, 2023 <https://doi.org/10.26532/ijlr.v7i1.31914>
CAMBA, ALVIN, and JANICA MAGAT, ‘HOW DO INVESTORS RESPOND TO TERRITORIAL DISPUTES? EVIDENCE FROM THE SOUTH CHINA SEA AND IMPLICATIONS ON PHILIPPINES ECONOMIC STRATEGY’, The Singapore Economic Review, 66.01 (2019), 243–67 <https://doi.org/10.1142/S0217590819500681>
De Castro, Renato Cruz, ‘The Philippines’ Responses to Chinese Gray Zone Operations Triggered by the 2021 Passage of China’s New Coast Guard Law and the Whitsun Reef Standoff’, Asian Affairs: An American Review, 49.4 (2022), 193–216 <https://doi.org/10.1080/00927678.2022.2121584>
Chang, Yen-Chiang, ‘The Use of Force during Law Enforcement in Disputed Maritime Areas’, Marine Policy, 124 (2021), 104382 <https://doi.org/https://doi.org/10.1016/j.marpol.2020.104382>
Chubb, Andrew, ‘Assessing Public Opinion’s Influence on Foreign Policy: The Case of China’s Assertive Maritime Behavior’, Asian Security, 15.2 (2019), 159–79 <https://doi.org/10.1080/14799855.2018.1437723>
Chubb, Andrew, ‘PRC Assertiveness in the South China Sea: Measuring Continuity and Change, 1970–2015’, International Security, 45.3 (2021), 79–121 <https://doi.org/10.1162/isec_a_00400>
Cody, Stephen, ‘Dark Law on the South China Sea’, Chicago Journal of International Law, 23.1 (2022), 62–78
Cui, Hong-Ming, and Khadija Zulfiqar, ‘Effective Law Enforcement in Gray Zone Operations: A Chinese Perspective of Coastguard Law Implementation in Delimited Maritime Zones’, Marine Policy, 169 (2024), 106366 <https://doi.org/https://doi.org/10.1016/j.marpol.2024.106366>
Elemia, Camille, ‘On a Philippine Boat, Being Pummeled by China’, The New York Times, November 2023, p. A6
Fabinyi, Michael, ‘Maritime Disputes and Seafood Regimes: A Broader Perspective on Fishing and the Philippines–China Relationship’, Globalizations, 17.1 (2020), 146–60 <https://doi.org/10.1080/14747731.2019.1644707>
Flynn, Brendan, ‘The Coming High-Tech Sino-American War at Sea? Naval Guns, Technology Hybridity and the “Shock of the Old”’, Defence Studies, 21.3 (2021), 312–33 <https://doi.org/10.1080/14702436.2021.1924688>
Guilfoyle, Douglas, ‘The Rule of Law and Maritime Security: Understanding Lawfare in the South China Sea’, International Affairs, 95.5 (2019), 999–1017 <https://doi.org/10.1093/ia/iiz141>
Guilfoyle, Douglas, and Edward Sing Yue Chan, ‘Lawships or Warships? Coast Guards as Agents of (in)Stability in the Pacific and South and East China Sea’, Marine Policy, 140 (2022), 105048 <https://doi.org/https://doi.org/10.1016/j.marpol.2022.105048>
Gunawan, Yordan, Dwilani Irrynta, Caterina García Segura, and Pablo Pareja Alcarazm, ‘DISPUTE RESOLUTION BETWEEN THE PHILIPPINES AND CHINA: FISHING ACTIVITIES IN THE SOUTH CHINA SEA’, Revista UNISCI, 2022, 59–73
Hongbin, Ding, and Ihsan Ullah, ‘THE SOUTH CHINA SEA’S NINE DASH LINE: KEY DISPUTES AND CHINA’S HISTORICAL RIGHTS CLAIMS’, Journal of Pakistan-China Studies (JPCS), 3.1 SE-Articles (2022), 67–86 <https://doi.org/10.55733/jpcs.v3i1.53>
Kausar, Sofia, ‘Sovereignty at Sea: The South China Sea Dispute and UNCLOS Implications’, International Journal of Law Management and Humanities, 6.4 (2023), 43
Kepe, Marta, Anika Binnendijk, Michael J Mazarr, Stephanie Pezard, Lyle J Morris, and Jeffrey W Hornung, Gaining Competitive Advantage in the Gray Zone: Response Options for Coercive Aggression Below the Threshold of Major War (United States: RAND Corporation PP - United States, 2019)
kusuma, Winanda, A Cery Kurnia, and Rio Armanda Agustian, ‘SOUTH CHINA SEA: CONFLICT, CHALLENGE, AND SOLUTION’, Lampung Journal of International Law, 3.1 SE-Articles (2021), 51–62 <https://doi.org/10.25041/lajil.v3i1.2266>
Macaraig, Christine Elizabeth, and Adam James Fenton, ‘Analyzing the Causes and Effects of the South China Sea Dispute: Natural Resources and Freedom of Navigation’, Journal of Territorial and Maritime Studies, 8.2 (2021), 42–58 <https://doi.org/https://doi.org/10.2307/JTMS.8.2.42>
Misalucha-Willoughby, Charmaine, ‘The Philippines’ Cost of Inaction in Asian Maritime Spaces’ (Carnegie Endowment for International Peace, 2023)
Mustaza, Siti Noralia, and Mohd Irwan Syazli Saidin, ‘ASEAN, China and the South China Sea Territorial Disputes: Analysis of Conflict Management Strategies’, Intellectual Discourse, 28.2 (2020), 577–98
O’Rourke, Ronald, ‘U.S.-CHINA STRATEGIC COMPETITION IN SOUTH AND EAST CHINA SEAS: BACKGROUND AND ISSUES FOR CONGRESS *’, Current Politics and Economics of South, Southeastern, and Central Asia, 31.2/3 (2022), 99–294
Østhagen, Andreas, ‘Troubled Seas? The Changing Politics of Maritime Boundary Disputes’, Ocean & Coastal Management, 205 (2021), 105535 <https://doi.org/https://doi.org/10.1016/j.ocecoaman.2021.105535>
Puzon, and Jikko Alfonso, ‘Managing Gray Zone Operations: Developing a Strategic and Comprehensive Framework for the West Philippine Sea’, The Japan Insstitute of International Affairs, 2023
Savolainen, Jukka, Terry Gill, Valentin Schatz, Lauri Ojala, Tadas Jakstas, and Pirjo Kleemola-Juntunen, Working Paper: Handbook on Maritime Hybrid Threats – 10 Scenarios and Legal Scans, 2019
Seta, Makoto, ‘The Effect of the Judicial Decision of Unclos Tribunals on the Clcs Procedure: The Case of the South China Sea Dispute’, Asia-Pacific Journal of Ocean Law and Policy, 7.2 (2022), 216–30 <https://doi.org/https://doi.org/10.1163/24519391-07020004>
Strating, Rebecca, ‘Defending the Maritime Rules- Based Order: Regional Responses to the South China Sea Disputes’, Policy Studies, 80, 2020, 1-77,79,81,83,VII,XV-XVII
Strating, Rebecca, and Joanne Wallis, ‘Maritime Sovereignty and Territorialisation: Comparing the Pacific Islands and South China Sea’, Marine Policy, 141 (2022), 105110 <https://doi.org/https://doi.org/10.1016/j.marpol.2022.105110>
Vuković, Siniša, and Paul-Jakob Fechner, ‘China’s Behavior and Ambitions to Become a Norm-Maker in the South China Sea Dispute’, Asian Perspective, 47.2 (2023), 247–65 <https://doi.org/https://doi.org/10.1353/apr.2023.0011>
Wang, Frances Yaping, and Brantly Womack, ‘Jawing through Crises: Chinese and Vietnamese Media Strategies in the South China Sea’, Journal of Contemporary China, 28.119 (2019), 712–28 <https://doi.org/10.1080/10670564.2019.1580429>
Wood, John Robert, ‘China’s Maritime Strategy and National Security in the South China Sea’, Intelligence and National Security, 36.3 (2021), 444–50 <https://doi.org/10.1080/02684527.2019.1620548>
Yamazaki, Amane, and Suguru Osawa, ‘Asymmetry Theory and China–Philippines Relations with the South China Sea as a Case’, East Asia, 38.4 (2021), 333–52 <https://doi.org/10.1007/s12140-021-09370-1>
Zhao, Suisheng, ‘East Asian Disorder: China and the South China Sea Disputes’, Asian Survey, 60.3 (2020), 490–509 <https://doi.org/10.1525/as.2020.60.3.490>
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