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NASA Tests CATNLF Tech for Fuel-Efficient Flights

January 23, 2026

2 min read

Key Takeaways

NASA tests CATNLF tech on F-15B research aircraft.
CATNLF aims to increase laminar flow, reducing drag and fuel burn.
Previous study estimates 10% fuel savings for Boeing 777 with CATNLF wing.

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Strategic Implications

This research may indicate a significant step towards more fuel-efficient commercial jets, potentially reducing operational costs and emissions. The CATNLF technology could suggest a new direction for aerodynamic design, which may benefit the development of next-generation aircraft.

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What Happened

Research Aircraft Flies With Innovative Drag Reduction System

A NASA F-15B research aircraft is helping to test a new technology that could make commercial jets more fuel-efficient. The Crossflow Attenuated Natural Laminar Flow (CATNLF) system, mounted on the underbelly of the aircraft, aims to reduce drag and fuel burn by increasing laminar flow. According to NASA, this technology could save millions of dollars per unit annually and reduce emissions. The test flights, which are set to begin in the coming weeks, are part of NASA’s Advanced Air Transport Technology project. This development was first reported by AeroTime.

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