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Pratt & Whitney Advances in Engine Testing for Collaborative Combat Aircraft

Pratt & Whitney, a subsidiary of RTX, has made substantial progress in the testing of its small turbofan engine family, designed specifically for use in Collaborative Combat Aircraft (CCAs). On September 24, 2025, the company announced that it has completed critical tests that confirm the ability to enhance thrust on existing engines for use in advanced unmanned applications.

The engine family, originally designed for commercial jets, has gained a reputation for reliability, efficiency, and exceptional performance. With the latest round of tests, Pratt & Whitney aims to leverage these attributes to unlock further capabilities that are vital for CCA platforms. As per the president of Pratt & Whitney's Military Engines business, Jill Albertelli, these commercial engines can deliver an impressive increase of up to 20% in their qualified thrust for unmanned applications. This improvement translates into enhanced performance while potentially reducing costs and the overall weight for various missions.

Testing Methods and Goals

To ensure the engines meet the demanding requirements of CCA platforms, Pratt & Whitney has initiated a second series of tests focusing on airflow and pressure variations. The primary goal is to determine how airflow interruptions can impact performance, especially when the engines are embedded within airframes. The engineers are deliberately distorting airflow during tests to assess the limits of engine performance throughout different flight conditions, which will aid in creating a reliable predictive tool for future installations.

These tests utilize a digital twin model, allowing designers to analyze data accurately and efficiently. As a result, Pratt & Whitney can meet the technical, schedule, and cost parameters necessary for CCA propulsion, all while minimizing the risks associated with integrating various engine systems. This approach underscores the company's commitment to advancing technology while ensuring that safety and performance are maintained.

The Importance of Collaboration

The advancements made by Pratt & Whitney are not solely about improving engine performance; they also signify a strategic evolution in the design and development process of military aviation technology. Collaborative Combat Aircraft represent a significant leap in defense capabilities, as they may work in synergy with various unmanned systems to enhance combat efficiency. Pratt & Whitney's role is critical in ensuring that these aircraft have the reliable and powerful engines they need.

Beyond military applications, the innovations derived from improving turbofan engines can also positively influence civilian aerospace sectors, opening avenues for enhanced performance and reduced environmental impact.

About Pratt & Whitney and RTX

Founded in 1925, Pratt & Whitney has established itself as a frontrunner in aviation technology, specializing in the design, manufacturing, and servicing of aircraft engines and auxiliary power units. With more than 90,000 engines in operation globally, the company remains dedicated to pioneering advancements in propulsion technologies.

RTX, the parent company of Pratt & Whitney, is recognized as the largest aerospace and defense entity worldwide. Employing over 185,000 individuals, RTX pushes the boundaries of science and technology to redefine connectivity and protection in the modern world. The group comprises industry-leading businesses like Collins Aerospace and Raytheon, focusing on aviation advancements and integrated defense solutions.

In conclusion, the completion of critical engine tests by Pratt & Whitney marks a notable achievement not only for the company but also for the advancement of military aviation technology. The results could lead to substantial operational improvements in Collaborative Combat Aircraft, setting a precedent for future developments in both military and commercial sectors.