Bipolar surgical forceps having argon plasma coagulation capability are shown. A gate carriage is mounted near the top of the side frame for longitudinal movement relative thereto and from which the head gate assembly is suspended for movement between a terminal position near the front of the space and selected positions nearer the rear of said space. The first surface and the second surface are dioptric. An aft section provides a drive-in ramp section 13 or a drop-down gate section 19 to provide ingress and egress of the watercraft from the storage apparatus.