Abstract: Device for engaging and ejecting a load suspended below an aircraft, comprising at least two ejection pistons (4, 5) which are connected, on the one hand, to the load to be engaged/ejected and, on the other hand, to a control circuit (1) which comprises a pneumatic circuit (2, 3, 8), further comprising for supplying each ejection piston (4, 5) a hydraulic circuit (6, 7, 41, 51) which is interposed between the pneumatic circuit and the ejection pistons (4, 5).