MANILA, Philippines — The Philippine Coast Guard (PCG) deployed its plane to conduct a Maritime Area Consciousness (MDA) flight and problem the Chinese language analysis vessel Tan Suo Er Hao monitored off Cagayan province in northern Luzon on Tuesday.
In a publish on X, PCG West Philippine Sea spokesperson Commodore Jay Tarriela reported that the vessel was detected approaching inside about 19 nautical miles off Cagayan utilizing Canada’s Darkish Vessel Detection program.
In response, Tarriela mentioned, the PCG Islander plane was dispatched to conduct an MDA flight, problem the vessel’s presence, and confirm whether or not it was conducting marine scientific analysis with out prior consent from the Philippine authorities.
“The CRV Tan Suo Er Hao, an 87.25-meter superior deep-sea scientific analysis vessel operated by the Institute of Deep-sea Science and Engineering beneath the Chinese language Academy of Sciences, serves as a mothership for manned and unmanned deep-sea submersibles and helps complete deep-sea operations,” Tarriela wrote.
“Monitoring indicated that the vessel departed from Hainan province in China earlier this month and transited by means of the western Philippine EEZ. In the course of the MDA flight, the PCG plane sighted the CRV heading eastward at coordinates Latitude 18°34.021′ N, Longitude 123°17.042′ E, roughly 55.78 nautical miles east of Santa Ana, Cagayan,” he added.
Tarriela mentioned the plane’s pilot issued a number of radio challenges to the vessel, asking about its intentions and reminding it of the requirement for prior consent for marine scientific analysis in Philippine waters.
PCG Challenges Chinese language Analysis Vessel Working Close to Cagayan WatersThe Philippine Coast Guard (PCG), using the Canada’s Darkish Vessel Detection program, detected the Chinese language Analysis Vessel (CRV) Tan Suo Er Hao approaching inside roughly 19 nautical miles off the coast… pic.twitter.com/8xUl9aZla6
— Jay Tarriela (@jaytaryela) December 30, 2025
Nevertheless, he mentioned that the vessel didn’t reply to any of PCG’s radio challenges.
“The Philippine Coast Guard stays vigilant in defending the nation’s maritime area and can proceed to observe and problem unauthorized actions throughout the Philippine EEZ in accordance with the directive of President Ferdinand Marcos, Jr, of upholding nationwide sovereignty and maritime legal guidelines,” he mentioned.
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Since early 2025, Philippine authorities have been monitoring the actions of China Coast Guard vessels “unlawfully working” throughout the nation’s unique financial zone.
Beijing’s ongoing aggression stems from its broad declare of sovereignty over practically the complete South China Sea, together with a lot of the West Philippine Sea, and its continued rejection of the 2016 arbitral ruling that invalidated its claims and favored Manila./mcm
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