He fought in the Indian Ocean under Suffren during the War of American Independence, captaining the 64-gun Sévère[2] at the Battle of Trincomalee from 25 August to 3 September 1782, [3] and at the Battle of Cuddalore on 20 June 1783.
[5][2] He was thus the brother of François-Joseph-Hippolyte Bidé de Maurville.
Maurville de Langle joined the Navy as a Garde-Marine on 12 November 1764.
[2] After Suffren relieved Cillart from command of Sévère in July 1782, in the wake of the Battle of Negapatam, he appointed Maurville de Langle to replace him.
[2] On 26 January 1784, Sévère was wrecked at the Cape of Good Hope.