Abstract: The invention relates to an arrangement and a method for flight security and/or air traffic control of aircraft (1, 2). At least one transmission station (3, 4) in an aircraft (1, 2) to be securing and/or directed transmits a broadcast signal (5, 6) received by at least one of a plurality of receiving stations (20) at a distance from each other and further transmitting at least a part of the data contained in the broadcast signal (5, 6) to a flight security and/or air traffic control central station (11) or other organizations.