A system of assistance in the entry of flight data for an aircraft transmitted between a crew on board the aircraft and a ground staff including, a radiofrequency communications link to transmit flight data between the crew and the ground staff. At least one means of sending and one means of receiving data on board the aircraft, wherein the system includes a voice recognition means capable of detecting a piece of data of a predefined type emitted, during the communications call, by the crew or the ground staff and a means of analysis and transcription of this piece of data in digital or alphanumeric form.