Abstract: A parking device for containing a blowout preventer aboard a floating drilling station. The parking device includes a parking frame which is capable of holding the blowout preventer with its center of gravity lying above the points at which the blowout preventer is supported on the parking frame. The blowout preventer can be moved as a unit back and forth between a parked position and an installed position for utilization on the drilling station. For enabling such movement a first drive mechanism is provided for raising and lowering the parking frame and additionally a second drive mechanism is provided for moving the parking frame sideways.