A composite panel characterized in that it comprises: • a honeycomb core in poly(p-phenyleneterephthalamide), on either side of which are positioned two skins each comprising: • an internal ply (2, 3) in contact with the honeycomb core, and comprising: - a glass fiber E fabric (2a, 3a) impregnated with at least 70% by weight of epoxy resin, and with a mass of less than or equal to 30 g/m 2, the fabric (2a, 3a) being in contact with the honeycomb core; and - a web (2b, 3b) of unidirectional carbon fibers oriented along a first direction, with an elastic modulus comprised between 275 and 300 GPa, with a mass of less than or equal to 100 g/m 2, and pre-impregnated with between 30% and 40% by weight of an epoxy resin; • an external ply (4, 5), in contact with the corresponding internal ply (2, 3) comprising: - a web (4a, 5a) of unidirectional carbon fibers oriented along a second direction different from the first direction of the web (2b, 3b) of carbon fibers of the internal ply (2, 3), with an elastic module comprised between 275 and 300 GPa, with a mass of less than or equal to 100 g/m 2, and pre-impregnated with between 30% and 40% by weight of an epoxy resin, the web (4a, 5a) of unidirectional carbon fibers of each external ply (4, 5) facing the web (2b, 3b) of unidirectional carbon fibers of the corresponding internal ply (2, 3); and - a fabric (4b, 5b) of glass fiber E with a mass of less than or equal to 30 g/m 2, and pre-impregnated with at least 70% by weight of epoxy resin. • a honeycomb core in poly(p-phenyleneterephthalamide), on either side of which are positioned two skins each comprising: • an internal ply (2, 3) in contact with the honeycomb core, and comprising: - a glass fiber E fabric (2a, 3a) impregnated with at least 70% by weight of epoxy resin, and with a mass of less than or equal to 30 g/m 2, the fabric (2a, 3a) being in contact with the honeycomb core; and - a web (2b, 3b) of unidirectional carbon fibers oriented along a first direction, with an elastic modulus comprised between 275 and 300 GPa, with a mass of less than or equal to 100 g/m 2, and pre-impregnated with between 30% and 40% by weight of an epoxy resin; - a glass fiber E fabric (2a, 3a) impregnated with at least 70% by weight of epoxy resin, and with a mass of less than or equal to 30 g/m 2, the fabric (2a, 3a) being in contact with the honeycomb core; and - a web (2b, 3b) of unidirectional carbon fibers oriented along a first direction, with an elastic modulus comprised between 275 and 300 GPa, with a mass of less than or equal to 100 g/m 2, and pre-impregnated with between 30% and 40% by weight of an epoxy resin; • an external ply (4, 5), in contact with the corresponding internal ply (2, 3) comprising: - a web (4a, 5a) of unidirectional carbon fibers oriented along a second direction different from the first direction of the web (2b, 3b) of carbon fibers of the internal ply (2, 3), with an elastic module comprised between 275 and 300 GPa, with a mass of less than or equal to 100 g/m 2, and pre-impregnated with between 30% and 40% by weight of an epoxy resin, the web (4a, 5a) of unidirectional carbon fibers of each external ply (4, 5) facing the web (2b, 3b) of unidirectional carbon fibers of the corresponding internal ply (2, 3); and - a fabric (4b, 5b) of glass fiber E with a mass of less than or equal to 30 g/m 2, and pre-impregnated with at least 70% by weight of epoxy resin. - a web (4a, 5a) of unidirectional carbon fibers oriented along a second direction different from the first direction of the web (2b, 3b) of carbon fibers of the internal ply (2, 3), with an elastic module comprised between 275 and 300 GPa, with a mass of less than or equal to 100 g/m 2, and pre-impregnated with between 30% and 40% by weight of an epoxy resin, the web (4a, 5a) of unidirectional carbon fibers of each external ply (4, 5) facing the web (2b, 3b) of unidirectional carbon fibers of the corresponding internal ply (2, 3); and - a fabric (4b, 5b) of glass fiber E with a mass of less than or equal to 30 g/m 2, and pre-impregnated with at least 70% by weight of epoxy resin.