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As the world leader in aerial refueling technology, Eaton continues to advance critical systems and techniques required for mission success. Most recently, our team achieved a major accomplishment: the demonstration of a new, actively stabilized drogue prototype.

Conducted during a flight test with Naval Air Systems Command (NAVAIR) and Calspan Aerospace Test Services in Buffalo, New York, the demonstration was the initial phase of a multi-phase program that will drastically expand autonomous refueling capabilities for present-day and next-generation aircraft. 

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A significant step forward

During the demonstration, Eaton’s drogue, which is designed to be easily retrofittable onto aerial refueling tankers, was attached to the hose end of an aerial refueling store installed on a Gulfstream III testbed aircraft. The flight assessed the active and passive stability of the drogue across a range of typical inflight refueling conditions, including aircraft turbulence and maneuvers. The test also showcased how our drogue independently counteracts perturbations through the actuation of its control surfaces.
The successful stabilization of the hose end further increases the safety and effectiveness of aerial refueling, even when aircraft platforms encounter turbulence. It’s a significant step for Eaton and the entire aerospace industry as we stride toward autonomous and unmanned aerial refueling. 

A legacy of aerial refueling 

Eaton’s aerial refueling systems are positioned on nearly every refueling platform in service. With over 80 years of experience across five generations of aircraft platforms, we’re proud of the role we’ve played in leading and supporting aerial refueling breakthroughs. In 1949, we pioneered the “probe and drogue” method of aerial refueling, which set a new course for the capability. Soon, the method was qualified and adopted by the U.S. Navy, U.S. Air Force, Royal Air Force, and so on.

As we look to the future, our team is excited to help shape the next chapter of aerial refueling.  Please stay tuned for more updates as we continue to reach new heights in this field.