The Royal Navy’s first crewless helicopter has completed successful ground trials, bringing the aircraft one step closer to taking to the skies.
The full sized demonstrator, known as Proteus, has undergone extensive testing of its engines, systems and rotor blades at Leonardo’s Yeovil facility, the long standing home of British helicopter manufacturing.
Proteus was designed and built in less than two and a half years under a £60 million programme. It is believed to be one of the world’s first full sized autonomous helicopters. Although similar in size to a conventional manned aircraft, Proteus is operated remotely, with a pilot tasking the system rather than flying it directly. The project represents the first stage in developing a truly autonomous Vertical Take off and Landing aircraft in this weight class.
Senior Royal Navy officers and Ministry of Defence experts attended the Yeovil trials to observe the aircraft’s ground running and to learn about the technology behind its advanced autonomy. Proteus uses onboard software, sensors and artificial intelligence that enable it to interpret its surroundings, make decisions and act independently, even in challenging environments such as high sea states and strong winds.
Captain David Gillett, head of Maritime Aviation and Carrier Strike in the Royal Navy’s Develop Directorate, described the programme as a major achievement for Defence and industry. He said the combination of modern technology and operational experience offers significant potential to shape the future of a hybrid air wing in which crewed and uncrewed aircraft operate together.
Nigel Colman, Managing Director Helicopters UK at Leonardo, emphasised that all processing takes place onboard the aircraft, providing the resilience needed for remote maritime missions. He added that Proteus carries a suite of sensors and systems designed to support the Royal Navy in extreme conditions.
With the capacity to carry up to one tonne of equipment, Proteus could support a broad range of military tasks in the future. Possible roles include airborne surveillance, search and rescue, logistics re supply, intelligence gathering and weapon delivery. Its initial testing focus, however, is on the use of autonomous systems to support anti submarine operations.
In this role the aircraft will be tasked to patrol designated maritime areas, drawing on information from allied ships, submarines, helicopters and detection systems to identify where a hostile submarine is most likely to be found. It will then deploy sonobuoys to detect the acoustic signatures of underwater targets and report its findings back to mission commanders.
The Royal Navy hopes that aircraft like Proteus will enhance its ability to search vast ocean areas for longer periods without placing strain on aircrew, who can be reassigned to other operational tasks. Although Proteus does not carry a pilot, it is always managed by a trained operator who ensures the aircraft remains within strict safety limits and agreed rules of engagement.
The successful trials mark a significant milestone for British engineering and naval aviation as the Royal Navy explores how autonomous aircraft could contribute to future operations.
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