VERTCRS["Sule Skerry height",VDATUM["Sule Skerry"],CS[vertical,1],AXIS["gravity-related height (H)",up,LENGTHUNIT["metre",1]],USAGE[SCOPE["Geodesy, engineering survey."],AREA["United Kingdom (UK) - Great Britain - Scotland - Sule Skerry onshore."],BBOX[59.05,-4.5,59.13,-4.3]],ID["EPSG",5744]]