An aircraft wing comprising: a fixed central body, a movable flap located at the periphery of the fixed central body and for being rotatably moved relatively to the fixed central body between a retracted position and an extended position, a flexible piping comprising a first end connected to the fixed central body and a second end connected to the movable flap, a guide rail for guiding the movable flap and the flexible piping, the guide rail being configured to move between a retracted position and an extended position, when the movable flap moves from its retracted position to its extended position, characterised in that the wing further comprises: an accommodating housing (50, 60) for accommodating the flexible piping, the housing (50, 60) comprising a wall (61, 63) shaped such that the flexible piping coils up inside the housing (50, 60) by being pressed against the wall (61, 63), when the guide rail moves from its extended position to its retracted position, and a holding means for holding the flexible piping against or in the proximity of the guide rail, the holding means being carried by the fixed central body, the flexible piping running externally along the guide rail and being secured to the guide rail in the proximity of the distal end of the rail at which the rail is attached to the movable flap. a fixed central body, a movable flap located at the periphery of the fixed central body and for being rotatably moved relatively to the fixed central body between a retracted position and an extended position, a flexible piping comprising a first end connected to the fixed central body and a second end connected to the movable flap, a guide rail for guiding the movable flap and the flexible piping, the guide rail being configured to move between a retracted position and an extended position, when the movable flap moves from its retracted position to its extended position, characterised in that the wing further comprises: an accommodating housing (50, 60) for accommodating the flexible piping, the housing (50, 60) comprising a wall (61, 63) shaped such that the flexible piping coils up inside the housing (50, 60) by being pressed against the wall (61, 63), when the guide rail moves from its extended position to its retracted position, and a holding means for holding the flexible piping against or in the proximity of the guide rail, the holding means being carried by the fixed central body, the flexible piping running externally along the guide rail and being secured to the guide rail in the proximity of the distal end of the rail at which the rail is attached to the movable flap. an accommodating housing (50, 60) for accommodating the flexible piping, the housing (50, 60) comprising a wall (61, 63) shaped such that the flexible piping coils up inside the housing (50, 60) by being pressed against the wall (61, 63), when the guide rail moves from its extended position to its retracted position, and a holding means for holding the flexible piping against or in the proximity of the guide rail, the holding means being carried by the fixed central body, the flexible piping running externally along the guide rail and being secured to the guide rail in the proximity of the distal end of the rail at which the rail is attached to the movable flap.