Abstract: Decompression in a partition separating passenger from cargo compartments in aircraft, there being a particular opening in the partition, receiving a decompression blowout/in panel; a frame circumscribes the decompression panel and has an outer contour inserted into the panel opening, one side of the frame is provided with a flange, being sealed as against the decompression panel as well as against the partitions adjacent the opening, the other side of the frame is provided with a plurality of T-shaped holding springs engaging the partition as well as the decompression panel; each of the springs is provided with predetermined fracture points.