[2] But as the businessmen drew back, the Chilean government bought the ship on 20 June 1818 for $36,000.

She was renamed Chacabuco and commissioned to the Navy under the command of Captain Francisco Díaz.

[1] In October 1818 she participated with the First Chilean Navy Squadron under the command of Manuel Blanco Encalada in the campaign to deter the Spanish convoy of the frigate María Isabel.

On 24 March 1819, during the second blockade of Callao she captured the Spanish sloop Moctezuma.

In 1826 she set sail with Galvarino, Aquiles, O'Higgins and Lautaro from Corral under the command of Manuel Blanco Encalada in order to capture the last Spanish enclave in South America, Chiloé, commanded by Antonio de Quintanilla.