ACUA Ocean, a UK-based small and medium enterprise, is developing an unmanned surface vessel (USV) designed for persistent surveillance and data collection in challenging sea conditions. The Pioneer-class USV, created by Ad Hoc Marine Designs, is a small waterplane area twin hull (SWATH) platform made of aluminum. It measures 14 meters in length, 9 meters in beam, and has a displacement of 25 tonnes. The USV features a lithium battery-electric hybrid powertrain and a central moon pool capable of carrying a 20 ft equivalent unit (TEU) container for modular payloads weighing up to 6.5 tonnes.
John Hunnibell, ACUA Ocean’s head of marine operations, stated that the USV’s design provides stability in sea state 5 conditions, with average wave heights of 4 meters at nine-second intervals. The Southampton Marine and Maritime Institute at the University of Southampton conducted independent modeling, showing the USV’s superiority over a larger monohull for deploying a 1-tonne payload, such as a remotely operated vehicle (ROV). The platform’s capabilities make it suitable for defense and security applications, including intelligence, surveillance, reconnaissance (ISR), and anti-submarine warfare (ASW) roles with options for towed array sonar and electronic support measures (ESM) suites.
The Pioneer USV’s potential in ASW operations involves deploying multiple platforms as aggregated picket vessels equipped with advanced sensors and surveillance systems. This includes high-specification electro-optic sensors and a mast providing a height-of-eye of 7.5 meters. The USV’s design and capabilities make it a versatile platform for various maritime security tasks, offering flexibility and efficiency in demanding sea conditions.
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