Table of Contents

1 Front Matter; 2 Summary; 3 1 Background and Overview; 4 2 Wingtip Modifications; 5 3 Previous Analyses and Experience with Wingtip Modifications on Existing Aircraft; 6 4 Assessment of Wingtip Modifications for Various Air Force Aircraft and Potential Investment Strategies; 7 Appendix A Data Used in Net Present Value Analyses; 8 Appendix B Additional Methods for Improving Fuel Consumption; 9 Appendix C Presentations to the Committee; 10 Appendix D Biographical Sketches of Committee Members

About the Author

Committee on Assessment of Aircraft Winglets for Large Aircraft Fuel Efficiency, National Research Council