United Kingdom-flagged, IMO 6504371 and call sign GXAR. Built by Richard Dunston, Hessle, United Kingdom for the London Port Authority. Dimensions 25,90 (waterline)-26,70 (over all) x 7,77 (on thrushes) x 1,98 (hull at midsection)-3,96 (basic) x 4,72 (height sides) metres, gross tonnage 125 tons and a displacement of 255 cubic metres. Maximum horsepower 1.600hp at 1.135rpm. Renamed Burmah in 1994, Langland in 1995, Lady Joan in January 1998 and Joan in 2001.