Castle reached Bombay on 25 June. She was at Penang on 31 August and Macao on 14 October. She arrived at Whampoa Anchorage on 6 November. Homeward bound, she crossed the Second Bar on 21 December, reached St Helena on 21 May 1810, and arrived at The Downs on 28 July. EIC voyage #6 (1811–1812): Captain Thomas Talbot Harington acquired a letter of marque on 27 February. He sailed from Torbay on 12 May, bound for Bombay and China. Scaleby Castle reached Bombay on 6 September and Batavia on 27 December. She arrived at Whampoa on 9 March 1812. Homeward bound, she crossed the Second Bar on 29 March and reached St Helena on 23 July. In September Scaleby Castle, , , , and were at on their way from Saint Helena to England and under escort by HMS Loire. and arrived on 24 October in the Downs. EIC voyage #7 (1813–1815): Captain Harington sailed from Portsmouth on 31 December 1813, bound for St Helena, Batavia, and China. Scaleby Castle reached St Helena on 5 April 1814 and the Cape on 26 May, before arriving at Batavia on 31 August. From there she sailed to Samarang, which she reached on 7 October, and Amboina, which she reached on 24 December. She arrived at Whampoa on 28 February 1815. Homeward bound, she crossed the Second Bar on 25 March and returned to Batavia on 24 May. She reached the Cape on 28 July and St Helena on 11 September. She arrived at The Downs on 14 November. The EIC then purchased Scaleby Castle outright. EIC voyage #8 (1816–1817): Captain William Moffat sailed from The Downs on 17 April 1816, bound for China. Scaleby Castle was at Penang on 10 August and arrived at Whampoa on 3 November. Homeward bound, she crossed the Second Bar on 18 December, reached St Helena on 10 April 1817, and arrived at The Downs on 4 June. EIC voyage #9 (1818–1819): Captain John Barnet Sotheby sailed from The Downs on 19 April 1818, bound for China. Scaleby Castle arrived at Whampoa on 18 August. Homeward bound she crossed the Second Bar on 3 November, reached St Helena on 9 February 1819, and arrived at The Downs on 4 May. EIC voyage #10 (1820–1821): Captain John Barnet Sotheby sailed from The Downs on 26 March 1820, bound for China. Scaleby Castle reached Whampoa on 28 August. Homeward