An aircraft with aerofoils (1a, 1b) comprising a main wing and at least one control flap that is arranged so as to be adjustable relative to the aforesaid, and comprising at least one adjustment flap, with the aircraft comprising: ▪ an actuator for operating the at least one control flap, as well as a sensor device for acquiring the set position of the control flap, ▪ at least one arrangement (15; 15K) of flow-influencing devices (16; 16K), which extends in at least one surface segment (10; 10K; 11 a, 12a; 11 b, 12b) of the main wing, which surface segment extends in the direction of the wingspan, and/or of at least one adjustment flap of each aerofoil (M; 1 a, 1 b), for the purpose of influencing the fluid that flows over the surface segment (10; 10K) and ▪ at least one arrangement of flow-state sensor devices (17; 17K) for measuring the flow state on the respective segment (10; 11 a, 12a; 11 b, 12b), characterised in that the aircraft further comprises: ▪ a flight control device which on the input side is functionally connected to the sensor device for acquiring the set position of the control flap and to the flow-state sensor devices (16; 16K) and which flight control device for the purpose of transmitting actuating commands on the output side is functionally connected to the actuator and the flow-influencing devices (16; 16K), ▪ a flight-state sensor device for acquiring flight states of the aircraft, wherein the flight-state sensor device is functionally connected to the flight control device for transmitting flight states, and ▪ a specifying device for generating desired commands, which correspond to flight states of the aircraft, the specifying device being functionally connected to the flight control device for transmitting the commands as input signals of the flight control device, wherein the flight control device comprises a function that for the purpose of optimising local lift coefficients on the aerofoil depending on the respective acquired flight state carries out a selection of the flow-influencing devices (16; 16K) that are to be operated. ▪ an actuator for operating the at least one control flap, as well as a sensor device for acquiring the set position of the control flap, ▪ at least one arrangement (15; 15K) of flow-influencing devices (16; 16K), which extends in at least one surface segment (10; 10K; 11 a, 12a; 11 b, 12b) of the main wing, which surface segment extends in the direction of the wingspan, and/or of at least one adjustment flap of each aerofoil (M; 1 a, 1 b), for the purpose of influencing the fluid that flows over the surface segment (10; 10K) and ▪ at least one arrangement of flow-state sensor devices (17; 17K) for measuring the flow state on the respective segment (10; 11 a, 12a; 11 b, 12b), ▪ a flight control device which on the input side is functionally connected to the sensor device for acquiring the set position of the control flap and to the flow-state sensor devices (16; 16K) and which flight control device for the purpose of transmitting actuating commands on the output side is functionally connected to the actuator and the flow-influencing devices (16; 16K), ▪ a flight-state sensor device for acquiring flight states of the aircraft, wherein the flight-state sensor device is functionally connected to the flight control device for transmitting flight states, and ▪ a specifying device for generating desired commands, which correspond to flight states of the aircraft, the specifying device being functionally connected to the flight control device for transmitting the commands as input signals of the flight control device,