An air traffic control system comprising at least two aircraft radios (18, 20) and a ground system, wherein the ground system has an operator device and at least one ground radio station configured to communicate with the at least two aircraft radios (18, 20), wherein the ground system further has a simultaneous transmission detection unit that is configured to detect at least two aircraft radio signals received simultaneously by the at least one ground radio station, and wherein the at least one ground radio station is configured to forward information with regard to the simultaneous transmission detection of at least two aircraft radio signals to at least one of the at least two aircraft radios (18, 20), characterized in that the air traffic control system further comprises an acknowledgement member that is assigned to the respective aircraft radio (18, 20), enabling a pilot to acknowledge receipt of the transmitted information with regard to the simultaneous transmission detection, wherein the pilot that has received the forwarded information with regard to the simultaneous transmission detection hits the acknowledgement member to transmit an acknowledgement signal to the ground system, wherein the ground system is configured to receive, process and indicate the acknowledgement signal, wherein the ground system has an indication unit that is configured to indicate the status of transmission, wherein the status of transmission comprises information with regard to the reception, by the respective aircraft radio (18, 20), of the forwarded information with regard to the simultaneous transmission detection, and wherein the ground system is configured to indicate reception, by the respective aircraft radio (18, 20), of the forwarded information with regard to the simultaneous transmission detection, thereby informing the operator at the ground system via the indication unit whether or not the forwarded information with regard to the simultaneous transmission detection was received safely by the respective aircraft radio (18, 20). the air traffic control system further comprises an acknowledgement member that is assigned to the respective aircraft radio (18, 20), enabling a pilot to acknowledge receipt of the transmitted information with regard to the simultaneous transmission detection, wherein the pilot that has received the forwarded information with regard to the simultaneous transmission detection hits the acknowledgement member to transmit an acknowledgement signal to the ground system, wherein the ground system is configured to receive, process and indicate the acknowledgement signal, wherein the ground system has an indication unit that is configured to indicate the status of transmission, wherein the status of transmission comprises information with regard to the reception, by the respective aircraft radio (18, 20), of the forwarded information with regard to the simultaneous transmission detection, and wherein the ground system is configured to indicate reception, by the respective aircraft radio (18, 20), of the forwarded information with regard to the simultaneous transmission detection, thereby informing the operator at the ground system via the indication unit whether or not the forwarded information with regard to the simultaneous transmission detection was received safely by the respective aircraft radio (18, 20).