AQUA Ocean

Ocean Autonomy Cluster member ACUA Ocean has successfully completed a five-day offshore demonstration with its Mk1 USV PIONEER, showcasing how long-endurance uncrewed surface vessels can support multiple simultaneous missions without requiring any physical intervention. Conducted off the coast of Plymouth, UK, the demonstration saw PIONEER operate continuously for more than 100 hours while carrying out hydrographic surveying and RF surveillance missions. Throughout the trial, the vessel was remotely monitored and controlled from ACUA Ocean's Remote Operating Centre, while sensor payloads were independently operated by different organisations from separate locations. A platform for multiple autonomous missions A central objective of the demonstration was to validate PIONEER as a common host platform capable of supporting multiple payloads simultaneously. During the mission, the USV successfully operated both a CommsAudit SPECTRA Super Resolution Direction Finding (SRDF) surveillance system and a multibeam echo sounder (MBES) for hydrographic survey operations. The payloads were integrated, tested and commissioned in just two days, highlighting the flexibility of the platform's modular architecture and its ability to rapidly adapt to changing operational requirements. Remote Operations Centre. Photo: Aqua Ocean Proven performance in demanding conditions Over five consecutive days at sea, PIONEER operated in temperatures exceeding 35°C, wave heights above two metres and electrical storms, all without requiring physical intervention. The demonstration also produced Admiralty chart-standard bathymetric data across large parts of the English Channel while continuously conducting passive RF surveillance and tracking multiple maritime and airborne emitters. During the trial, the vessel successfully geolocated a low-power satellite Personal Locator Beacon from approximately 22 kilometres away, identifying its position within around 20 metres before passing the information to HM Coastguard. According to ACUA Ocean, the trial demonstrates that independently developed payloads from different manufacturers can operate concurrently on the same autonomous platform without interfering with one another, enabling a flexible and scalable approach to maritime operations. Supporting the future of hybrid fleets The company believes long-endurance autonomous surface vessels can play an increasingly important role in intelligence, surveillance and reconnaissance (ISR), hydrographic surveying, maritime security and the protection of ports, offshore energy infrastructure and other critical assets. Rather than replacing conventional crewed vessels, platforms such as PIONEER are designed to complement them by providing persistent maritime presence and multi-domain capabilities at significantly lower operating costs. USV Pioneer 5 day mission. Photo: ACUA Ocean Looking ahead The demonstration was conducted using ACUA Ocean's Mk1 PIONEER platform. The company is now developing the larger Mk2 PIONEER, scheduled to enter the water in 2027, which will offer endurance measured in weeks, a payload capacity of up to seven tonnes and expanded mission capabilities. For Ocean Autonomy Cluster, the successful demonstration illustrates how modular autonomous vessels are maturing from promising concepts into operational platforms capable of supporting a wide range of civilian, commercial and defence applications.

AQUA Ocean

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