An adaptor assembly for coupling a blade root of a turbine blade to a root slot of a rotor disk is disclosed. The rail guided vehicle system comprises a rail 100 including a guidepath wire 600 in a predetermined area including the divergence point and the merge point, and a plurality of vehicles 200 that travel while being supported and guided by the rail. At least one retractable, generally U-shaped litter section with at least one hand grip is oriented thereon adjacent a bight portion thereof. A gate connection can be made with Metal 2, which is all around the device. An air extraction process is expedited from the emergency support system by including a RIC UAC fitting to a fill panel to fill a breathable air apparatus.