auxiliary fin edge of the wing of an airplane.

auxiliary flap leading edge of the wing of an aircraft (10) intended to be mounted on a part of the wing of an aircraft, the auxiliary flap leading edge of the aircraft wing comprising: a main body section (30) ; and a front section (20) wherein the forward section (20) is removable from the main body section (30) by means of releasable fastening means selectively provided to releasably lock the section above the main body.