In 1798, she served off the Philippines. In December, she gave chase to the privateer Clarisse, under Robert Surcouf. Clarisse escaped by throwing eight guns overboard. In February 1799, while under the command of Captain Edward Cooke, Sybille patrolled the Indian Ocean in a hunt for the French frigate Forte, under captain Beaulieu-Leloup. The ships met on 28 February in the Balasore Roads in the Bay of Bengal. Sybille took Forte by surprise and captured her, as Forte's captain mistook Sybille for a merchantman. Cooke was wounded in the action and died at Calcutta 23 May, aged 26. Though his grave is in Calcutta, the East India Company erected a monument to him in Westminster Abbey in appreciation of the benefit to British trade of his capture of Forte. In all, Sybille lost five dead and 1