Is it true that winglets significantly reduce fuel burn on long-haul routes?

Winglets allow small gains to compound into huge savings on long-haul routes.

Why the world's largest military transport aircraft doesn't use winglets

Simplicity meets power on the world's largest 'big wing' jets.
National Academies of Sciences%2c Engineering%2c and Medicine

Assessment of Wingtip Modifications to Increase the Fuel Efficiency of Air Force Aircraft

W. Mangler, 1938, “The lift distribution of wings with end plates,” NACA TM 856; transl. by J. Vanier from “Die Auftriebsverteilung am Tragflügel mit ...

APiJET Announces Digital Winglets 4D™ Real-Time Flight Optimization Backed by Newly Issued U.S. Patent

Only Patented Solution Providing Deconflicted Optimizations for Lateral, Vertical, Speed and Time Without Hardware or ...
National Academies of Sciences%2c Engineering%2c and Medicine

Assessment of Wingtip Modifications to Increase the Fuel Efficiency of Air Force Aircraft

Suggested Citation: "1 Background and Overview." National Research Council. 2007. Assessment of Wingtip Modifications to Increase the Fuel Efficiency of Air Force Aircraft. Washington, DC: The ...