An aircraft includes an airframe, forming a nose structure of the aircraft, and at least one high-level system. The aircraft also includes a wheel well assembly, coupled to the airframe and forming a portion of a nose landing gear bay. The wheel well assembly includes a pressure deck that extends from a right side of the airframe to a left side of the airframe and that forms a portion of a pressure boundary delimiting a pressurized space and a non-pressurized space. The aircraft further includes a floor-panel support, supported by the pressure deck. The aircraft also includes a plurality of transport elements, located between the floor-panel support and the pressure deck.