European Research Agency Onera Tests Active Flow Control Technologies to Enhance Stealth in Unmanned Aircraft

European Research Agency Onera Tests Active Flow Control Technologies to Enhance Stealth in Unmanned Aircraft

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Active flow control effectors have been integrated into the wingtip of a Pipistrel Virus for flight testing under the Facelift project.

French aerospace research agency Onera has conducted wind tunnel tests of an active flow control device intended to increase the effectiveness of ailerons to reduce drag and improve stealth. The device is being developed under the Facelift project funded by the European Defense Agency. Testing was carried out to evaluate the potential for improved aerodynamics and electronic warfare capabilities within unmanned aircraft systems.

Advancements in UAV Aerodynamics

The project aims to enhance the aerodynamic efficiency of small UAVs like the Pipistrel Virus, potentially leading to quieter operation and improved stealth characteristics. According to reports, active flow control could allow for better maneuverability and reduced signatures, which are vital in modern tactical scenarios.

"The active flow control technology demonstrates significant promise for next-generation unmanned aircraft," said Graham Warwick.

Industry experts note that ongoing innovations like this are critical in maintaining a technological edge. This successful wind tunnel testing underscores ongoing efforts to integrate cutting-edge aeronautics technology into next-generation UAVs, aiming to deliver both operational benefits and strategic advantages in contested environments.

Airspace Times Team

Airspace Times Team

Aviation news desk

Published: 03 Mar 2026

Source: Aviation Week

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