NASA's First Flight of the CATNLF Wing Design: A Step Towards Sustainable Aviation

NASA successfully conducted the first flight of its Crossflow Attenuated Natural Laminar Flow (CATNLF) scale-model wing on January 29, 2026, from the Armstrong Flight Research Center in Edwards, California. This test flight utilized an F-15B research jet, with the approximately 3-foot-tall wing model mounted beneath the aircraft. The primary objective was to ensure the safe maneuverability of the aircraft with the new wing design, which aims to enhance laminar flow, reduce drag, and ultimately lower fuel costs for future commercial aircraft.

NASANASA Successfully Flies First Laminar Flow Scaled Wing Design

The 75-minute flight involved various basic maneuvers, including turns, steady holds, and gentle pitch changes, at altitudes ranging from 20,000 to nearly 34,000 feet. These maneuvers provided initial insights into the aerodynamic characteristics of the CATNLF wing model, confirming that it operates as expected. Michelle Banchy, the research principal investigator for CATNLF, emphasized that the first flight focused on "envelope expansion," ensuring the wing's dynamic behavior was stable before proceeding to more complex research maneuvers.

NASA Successfully Flies First Laminar Flow Scaled Wing Design

During the flight, NASA employed several tools, including an infrared camera, to measure laminar flow and collect thermal data. This data will be crucial for validating the design and assessing its effectiveness in maintaining smooth airflow. Early results indicated that the airflow closely matched predictions made through computer modeling, reinforcing the potential of the CATNLF technology to significantly reduce fuel consumption in commercial aviation.

NASANASA Successfully Flies First Laminar Flow Scaled Wing Design

The CATNLF technology represents a significant advancement in aerodynamics, particularly for large, swept-back components like wings and tails. By maintaining laminar flow, the design could lead to substantial fuel savings and lower operational costs for airlines. Banchy noted that this technology "opens the door to a practical approach to getting laminar flow," which could ultimately benefit passengers through lower ticket prices and contribute to global efforts in reducing carbon emissions.

NASA Successfully Flies First Laminar Flow Scaled Wing Design

NASA plans to conduct up to 15 additional flight tests to further validate the CATNLF design across various speeds, altitudes, and flight conditions. The ongoing research is part of NASA's Flight Demonstrations and Capabilities project and the Subsonic Vehicle Technologies and Tools project, supported by the Advanced Air Vehicles Program and Integrated Aviation Systems Program under the Aeronautics Research Mission Directorate.

NASANASA Successfully Flies First Laminar Flow Scaled Wing Design

The successful first flight of the CATNLF wing design marks a pivotal moment in NASA's aeronautical research, showcasing the potential for innovative technologies to enhance the sustainability of air travel. As further tests are conducted, the implications for the aviation industry could be profound, paving the way for more fuel-efficient and environmentally friendly aircraft designs.

NASA Successfully Flies First Laminar Flow Scaled Wing DesignNASA

• “It was incredible to see CATNLF fly after all of the hard work the team has put into preparing,” — Michelle Banchy, Research Principal Investigator for CATNLF

NASA

• “First flight was primarily focused on envelope expansion. We needed to ensure safe dynamic behavior of the wing model during flight before we can proceed to research maneuvers.” — Michelle Banchy

NASA Successfully Flies First Laminar Flow Scaled Wing Design

• “CATNLF technology opens the door to a practical approach to getting laminar flow on large, swept components, such as a wing or tail, which offer the greatest fuel burn reduction potential,” — Michelle Banchy

NASA