The Duke-class ships of the line were a class of four 98-gun second rates, designed for the Royal Navy by Sir John Williams. Ships Builder: Plymouth Dockyard Ordered: 18 June 1771 Launched: 18 October 1777 Fate: Broken up, 1843 Builder: Plymouth Dockyard Ordered: 16 July 1774 Launched: 5 July 1788 Fate: Broken up, 1825 Builder: Portsmouth Dockyard Ordered: 16 July 1774 Launched: 14 October 1785 Fate: Wrecked, 1811 Builder: Chatham Dockyard Ordered: 5 August 1777 Launched: 13 February 1782 Fate: Broken up, 1821 References Lavery, Brian (2003) The Ship of the Line – Volume 1: The development of the battlefleet 1650–1850. Conway Maritime Press. . Winfield, Rif (2007) British Warships in the Age of Sail 1714–1792: Design, Construction, Careers and Fates. Seaforth Publishing. . Ship of the line classes