IMPACT OF COMPOSITE MATERIALS ON AIRCRAFT WEIGHT REDUCTION, FUEL EFFICIENCY, AND PERFORMANCE IN COMMERCIAL AVIATION. International journal of mechanical engineering, [S. l.], v. 4, n. 01, p. 21–35, 2024. DOI: 10.55640/ijme-04-01-06. Disponível em: https://www.academicpublishers.org/journals/index.php/ijme/article/view/1850.. Acesso em: 5 oct. 2025.