anchoring harpoon particular an aircraft and anchoring system comprising such a harpoon.

This anchoring harpoon notably of an aircraft, adapted to cooperate with an anchorage grid (2) of a platform, having the form of actuator means (3) comprising the cylinder-shaped means (4) wherein moving the piston-shaped means (5) provided with a rod (6) extending beyond the cylinder-shaped means and whose free end comprises a harpoon head (7) for hooking in the grid (2), provided with retaining fingers (8, 13, 14) therein movable between a retracted position and an active position by control means (9) is characterized in that the means in the form cylinder (4) of the cylinder comprise at least two cylinder portions (10, 11) telescoping into one another and movable between a position retracted into one another and an operative position projecting one by relative to each other.