The Princess Anne (GH-2007) waiting to depart to the Goodwin Sands as a charter flight by the Goodwin Sands Potholing Club James Rowson Looking forward along the car deck to the open bow doors James Rowson Close-up of the bow doors and cockpit James Rowson Dover Castle behind the world's largest propeller James Rowson Retired sisters; Hovercraft lie silent on the pad at Dover James Rowson Looking back along the starboard side of the hovercraft, steps attached James Rowson Close-up of the rear doors letting cars out down the blue detachable ramp James Rowson Close-up of the closed rear doors of the SRN4 James Rowson Grabbing the forward section of skirt, at the point where it has a hole to enable the vehicle bow ramp to lower fully James Rowson