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GA-ASI Acquires Achates Power’s Engine Technology Portfolio to Advance UAS Propulsion

General Atomics Aeronautical Systems (GA-ASI) acquires Achates Power’s engine technology, enhancing UAS propulsion with high-efficiency, low-emission, and high-power-density engines for next-generation aircraft By Joe Macey / 26 Aug 2025
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General Atomics Aeronautical Systems, Inc. (GA-ASI) acquisition of key assets, including a portfolio of patents and other intellectual property, from Achates Power, Inc., a San Diego-based innovator in advanced engine technology.

The acquisition strengthens GA-ASI’s capabilities in high-performance propulsion systems and underscores GA-ASI’s commitment to advancing propulsion technologies for its line of unmanned aircraft systems that enhance the performance and sustainability of its aerospace systems.

David Alexander, President of GA-ASI, said, “We are excited to incorporate Achates Power’s opposed-piston engine technology into GA-ASI’s portfolio. Their advancements in green technology emission reduction, fuel efficiency and power density align perfectly with our mission to deliver innovative solutions for airborne platforms.”

Achates Power has long been recognized for its work in developing best-in-class low-emission, fuel-efficient, and high-power-density engines.

Dave Crompton, CEO of Achates Power, added, “Achates Power’s engine designs deliver exceptional value for applications requiring high efficiency and power density, particularly in environments with strict emissions regulations. We are proud that our technology will continue to thrive under GA-ASI, a company renowned for its technical excellence and diverse expertise.”

To learn more, visit the General Atomics Aeronautical Systems, Inc Partner Hub: Innovation Partner Hub
Posted by Joe Macey Joseph Macey is a Content Specialist at Unmanned Systems Technology. Since joining in 2022, he has focused on emerging technologies in unmanned systems, with particular expertise in Counter-UAS, communication systems, and camera technologies. A graduate of Falmouth University in Journalism, Joseph began his career in 2019 as a local reporter. His journalism experience not only sharpens his reporting but also enhances his ability to conduct in-depth interviews, enabling him to deliver authoritative insights on the latest industry trends. Connect

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