The disclosure relates to a method for monitoring backward movement of a first aircraft (10) at a first airport stand (1), the method comprising: receiving, from a first docking system (100) arranged at the first airport stand (1), first sensor data which pertains to a movement behaviour of the first aircraft (10), receiving, from a second docking system (200) arranged at a second airport stand (2), second sensor data which pertains to a movement behaviour of a second aircraft (20, 30), receiving aircraft data which pertains to an expected movement behaviour of at least one of: the first aircraft (10) and the second aircraft (20, 30), comparing the first sensor data with at least one of the second sensor data and the aircraft data; and outputting an alarm signal in response to determining that the movement behaviour of the first aircraft fails to meet a predetermined movement behaviour criterion.