NASA Demonstrates Laminar Flow Technology for Fuel Savings in Commercial Aircraft

In January 2026, NASA completed a high-speed taxi test of its Cross Flow Attenuated Natural Laminar Flow (CATNLF) scale model mounted on an F-15 aircraft. The design increases laminar flow—the smooth movement of air over wing surfaces—to reduce wind resistance and drag, which are detrimental to fuel efficiency. Computational studies from 2014 to 2017 suggested that applying CATNLF to large, long-range airplanes like the Boeing 777 could save up to 10% in annual fuel consumption, potentially translating to millions of dollars per aircraft per year. The technology development included contributions from NASA centers in Edwards, California, and Langley, Virginia.

Laminar flow technology has long been used to reduce drag but has been limited by crossflow instabilities on swept wings, which CATNLF aims to mitigate. While practical savings from actual flight conditions require further validation beyond computational estimates, NASA’s taxi test marked a milestone in demonstrating test model readiness and feasibility. This work is part of NASA’s Integrated Aviation Systems Program focusing on improved aerodynamics and fuel reduction strategies for commercial aviation.