A device for holding an insulating blanket and for fastening systems for an aircraft including aircraft frames, a skin, and connecting pieces between the skin and the frames, the connecting pieces including clips, the device comprising:
- two brackets, each bracket having a first branch configured to be fastened to one of the clips and a second branch provided with a slot, and
- a member that contours at least a portion of one of the aircraft frames and that includes a base and two arms, each arm having a free end forming a securing lug configured to be inserted into the slot of one of the brackets with a flange which forms a stop countering displacement of the securing lug once the latter is inserted into the slot, and each arm further including at least one support configured to accommodate a system.