 He moved to on 19 November 1830, and then served in the coast guard for a period between 5 April 1831 and March 1833.He was lieutenant aboard from 7 August 1835, and from 25 March 1836 until October 1836, was lieutenant aboard .Langtry was next lieutenant aboard , the flagship of Rear-Admiral John Ommanney from 2 October 1837, and then flag-lieutenant to Ommanney aboard from 13 October 1840.