Netherlands rejects China's claims of forcing away frigate De Ruyter with electronic warfare.

The Dutch frigate HNLMS De Ruyter continued its mission near the Paracel Islands despite Chinese claims that electronic warfare measures and military warnings had forced it away, highlighting a growing willingness by European navies to operate in contested Indo-Pacific waters. The confrontation, disclosed by Chinese and Dutch officials on May 27, 2026, underscores the increasing role of electronic pressure and information messaging in efforts to challenge freedom of navigation operations without triggering direct military escalation.

According to Beijing, Chinese forces employed naval, air, and electronic warfare assets against the frigate and its embarked NH90 helicopter, while Dutch authorities reported no disruption to the ship’s route, mission, or flight operations. The incident places renewed attention on China’s use of electromagnetic capabilities around the heavily militarized Paracel Islands and demonstrates how advanced Western warships equipped with long-range sensors and strike systems are becoming focal points in regional strategic competition.

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HNLMS De Ruyter, a De Zeven Provinciën-class air defense and command frigate, carries 32 SM-2 Block IIIA surface-to-air missiles, 32 Evolved Sea Sparrow Missiles, eight Harpoon anti-ship missiles, a 127 mm OTO Melara naval gun, and Mk 46 torpedoes. (Picture source: Dutch MoD)

On May 27, 2026, the Netherlands rejected Chinese claims that the frigate HNLMS De Ruyter (F804) had been expelled from waters near the Paracel Islands, with State Secretary for Defence Derk Boswijk stating that the ship remained on its planned route and continued operating under international navigation rules. Earlier the same day, the PLA Southern Theater Command announced that Chinese naval and air forces had taken action against the vessel, accusing it of entering waters claimed by China and repeatedly launching its embarked NH90 NFH helicopter into airspace that Beijing considers sovereign territory.

Chinese forces reported deploying surface units, military aircraft, verbal warnings and electronic jamming measures during the encounter. The incident occurred during De Ruyter's Pacific Archer deployment, a five-month Indo-Pacific mission announced in February 2026. The confrontation took place after a May 22-25 port visit to Manila and before the vessel's scheduled participation in RIMPAC 2026 near Hawaii. While encounters between Chinese and U.S. forces in the South China Sea occur regularly, publicly acknowledged confrontations involving European surface combatants remain comparatively uncommon, making the De Ruyter episode one of the most visible European-Chinese military interactions in the region during 2026. 

The location of the encounter is among the most militarized sections of the South China Sea. The Paracel Islands, known in China as the Xisha Islands and in Vietnam as Hoang Sa, are situated roughly 350 kilometers southeast of Hainan Island and consist of more than 30 islands, reefs, and cays spread across approximately 15,000 square kilometers of maritime space. China, Vietnam, and Taiwan all claim sovereignty over the archipelago, but Beijing has exercised control over the entire island group since its victory over Vietnam during the Battle of the Paracel Islands in January 1974. During the past five decades, the archipelago has evolved from a collection of isolated outposts into a permanent military network supporting China's aviation, naval, coast guard, and surveillance operations.

The islands, in fact, occupy a strategic position between the Taiwan Strait to the northeast, the Luzon Strait to the east, the Gulf of Tonkin to the west, and the maritime approaches leading toward the Malacca Strait to the southwest. Control of the Paracels allows China to project military presence deep into the northern half of the South China Sea while extending surveillance coverage hundreds of kilometers from Hainan. Woody Island, known in Chinese as Yongxing Dao, constitutes the center of Chinese military activity in the Paracels. The island contains a 2,400-meter runway capable of supporting J-11 and J-16 fighters, KJ-500 airborne early warning aircraft, Y-8 maritime patrol aircraft, transport aircraft, and aerial refueling assets.

Over the last decade, China has constructed hardened aircraft shelters, ammunition storage areas, fuel farms, radar stations, HQ-9 long-range surface-to-air missile batteries, and anti-ship missile positions. The island now hosts permanent military personnel, civilian administrators, port infrastructure, desalination facilities, and power-generation systems that allow continuous operations throughout the year. From Woody Island, combat aircraft can reach most sectors of the northern South China Sea within minutes, while radar and electronic surveillance systems can monitor shipping and aviation activity across major regional transit routes.

The island also functions as a forward operating base for coast guard vessels, PLA Navy units, and maritime militia forces operating far from the Chinese mainland. According to the Chinese chronology, the encounter began when De Ruyter entered the waters surrounding the Paracels and conducted repeated NH90 helicopter operations. The PLA Southern Theater Command alleged that these flights crossed into airspace Beijing considers part of Chinese territory. Chinese authorities responded by deploying naval and air assets to monitor the Dutch vessel while implementing electronic warfare countermeasures.

The public reference to electronic jamming was notable because official PLA announcements typically focus on warnings, tracking activities, or air and maritime interceptions rather than explicitly identifying electromagnetic measures. Chinese officials further argued that the Dutch actions violated sovereignty claims associated with the archipelago and warned that the Southern Theater Command would remain at a high state of readiness. Zhang Junshe, a Chinese military affairs expert, indicated that stronger responses could be considered during future incidents, including warning shots, if Dutch military forces continue operating near islands claimed and occupied by China. 

The Dutch government strongly rejected the Chinese interpretation of events and disputed the assertion that the De Ruyter frigate had been forced from the area. State Secretary for Defence Derk Boswijk stated that the vessel remained on its intended route and complied with international rules governing navigation. Foreign Minister Tom Berendsen reaffirmed Dutch support for freedom of navigation and confirmed that discussions with China were underway following the incident. Equally important was what Dutch authorities did not report. There was no indication that De Ruyter altered course, suspended helicopter operations, modified mission objectives, or experienced operational degradation.

The Dutch account, therefore, portrayed the encounter as a challenge that did not materially affect the deployment. This kind of rhetoric, which has been going on for years, does not seem to have ever produced the effect Beijing was hoping for: an end to the deployment of Western ships in areas that China considers to be its own, even though international maritime law and other countries say otherwise. Therefore, the electronic warfare component deserves particular attention because it potentially reveals more about the encounter than the physical presence of the ships involved.

Electronic interference can target tactical communications, satellite links, navigation systems, surveillance radars, and aviation support equipment. The NH90 helicopter would likely have been more vulnerable than the frigate itself because its operations depend heavily on continuous navigation updates, communications with the host ship, and data connectivity during flight operations. The Southern Theater Command possesses extensive and proven electronic warfare resources on Hainan and throughout China's South China Sea outposts, placing the Paracels within range of multiple land-based systems.

Electronic jamming offers several advantages compared with physical interception. It creates operational friction, demonstrates military reach, and imposes costs on foreign forces while remaining below the threshold associated with weapons employment. It also allows the initiating side to avoid many of the escalation risks associated with close aerial or maritime maneuvering. Moreover, the warship involved in the incident is among the most heavily armed surface combatants operated by a European navy. HNLMS De Ruyter belongs to the De Zeven Provinciën class of air defense and command frigates and entered service in March 2004. The vessel displaces approximately 6,050 tonnes at full load, measures 144.2 meters in length, and operates with a crew of roughly 174 personnel.

Its primary sensor suite combines the SMART-L long-range surveillance radar, APAR active phased-array fire-control radar, and Sirius infrared search-and-track system. Armament includes 32 SM-2 Block IIIA missiles for area air defense, 32 Evolved Sea Sparrow Missiles for medium-range defensive engagements, eight Harpoon anti-ship missiles, a 127 mm OTO Melara naval gun, and Mk 46 torpedoes. The ship also carries one NH90 NFH helicopter capable of anti-submarine warfare, maritime surveillance, and over-the-horizon targeting missions. Chinese interest in De Ruyter is likely influenced not only by the vessel's presence but also by its recent modernization.

The frigate received the SMART-L Multi Mission radar, which expanded its ability to detect and track ballistic missile targets at long range. During NATO Formidable Shield exercises, Dutch frigates equipped with SMART-L systems contributed tracking data supporting ballistic missile interception scenarios conducted by allied forces. On March 12, 2025, De Ruyter became the first Dutch warship to launch a Tomahawk cruise missile, introducing a land-attack capability measured in hundreds of kilometers. The combination of long-range surveillance, ballistic missile tracking, and cruise missile strike capability places the vessel in a category that attracts significantly greater military attention than routine patrol ships.

For any military monitoring foreign naval activity near sensitive areas, a ship capable of collecting high-quality sensor data while carrying long-range precision weapons presents a different intelligence and operational profile than a standard frigate conducting constabulary duties. The deployment itself provides important context. Pacific Archer was announced in February 2026 and scheduled to last approximately five months. The mission's first major port call occurred in Kochi, India, on May 6, followed by a PASSEX with Indian Navy units. After departing India, De Ruyter visited Manila from May 22 to May 25 before transiting toward Hawaii for participation in RIMPAC 2026.

The deployment consisted of a single high-capability surface combatant operating thousands of kilometers from Dutch support infrastructure rather than as part of a carrier strike group or large multinational naval formation. This made the frigate both more exposed and more visible during regional operations. The route connected several security partners across the Indo-Pacific and placed the vessel in proximity to some of the most politically sensitive maritime areas in Asia. The broader significance of the incident lies less in the tactical encounter itself than in Beijing's decision to publicize the response measures. Chinese authorities highlighted not only the alleged violation but also the use of electronic countermeasures, creating a public record of how future encounters near the Paracels might be handled.

The messaging was directed simultaneously toward European navies considering future deployments, regional governments observing Chinese reactions in disputed waters, and domestic audiences. The encounter also illustrated how sovereignty claims, military presence, electronic warfare capabilities, and information activities can be employed (or at least publicized) together during a single event. Despite the sharp rhetoric, there were no reports of warning shots, weapons employment, dangerous maneuvering, collision risks, or physical interception. Escalation remained below the level observed in several previous U.S.-China incidents, yet the encounter established a visible example of how China may respond when European military vessels equipped with advanced sensors and aviation assets operate near islands that Beijing regards as sovereign territory.

Written by Jérôme Brahy

Jérôme Brahy is a defense analyst and documentalist at Army Recognition. He specializes in naval modernization, aviation, drones, armored vehicles, and artillery, with a focus on strategic developments in the United States, China, Ukraine, Russia, Türkiye, and Belgium. His analyses go beyond the facts, providing context, identifying key actors, and explaining why defense news matters on a global scale.

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