A control system for a rotary-wing aircraft that receives a control input and transmits a control output in response to receiving the control input, comprising: a pivot bearing ; an actuator lever that comprises a rotation center , a first end , and a second end , wherein the rotation center is pivotally mounted to the pivot bearing , and wherein the actuator lever transforms the control input into the control output by performing a rotational movement around the rotation center ; a control receiving device that is coupled to the first end of the actuator lever , wherein the control receiving device receives the control input and transmits the control input to the actuator lever ; and a control transmitting device that is coupled to the second end of the actuator lever , wherein the control transmitting device receives the control output from the actuator lever and transmits the control output, characterized in that the actuator lever is at least partially provided with a composite material, wherein the actuator lever comprises a core comprising a first constituent material and a skin comprising second and third constituent materials, wherein the skin encompasses the core , and in that the skin further comprises: a first shell that covers a first side of the core ; a second shell that covers a second side of the core , wherein the first and second shells form a tube and overlap on two sides; a first stiffener attached to a first one of the two sides; and a second stiffener attached to a second one of the two sides that is different than the first one of the two sides. a pivot bearing ; an actuator lever that comprises a rotation center , a first end , and a second end , wherein the rotation center is pivotally mounted to the pivot bearing , and wherein the actuator lever transforms the control input into the control output by performing a rotational movement around the rotation center ; a control receiving device that is coupled to the first end of the actuator lever , wherein the control receiving device receives the control input and transmits the control input to the actuator lever ; and a control transmitting device that is coupled to the second end of the actuator lever , wherein the control transmitting device receives the control output from the actuator lever and transmits the control output, characterized in that the actuator lever is at least partially provided with a composite material, wherein the actuator lever comprises a core comprising a first constituent material and a skin comprising second and third constituent materials, wherein the skin encompasses the core , and in that the skin further comprises: a first shell that covers a first side of the core ; a second shell that covers a second side of the core , wherein the first and second shells form a tube and overlap on two sides; a first stiffener attached to a first one of the two sides; and a second stiffener attached to a second one of the two sides that is different than the first one of the two sides. a first shell that covers a first side of the core ; a second shell that covers a second side of the core , wherein the first and second shells form a tube and overlap on two sides; a first stiffener attached to a first one of the two sides; and a second stiffener attached to a second one of the two sides that is different than the first one of the two sides. <EOS>