Antelope first appeared in Lloyd's Register in 1807 with Le Pelley, master, Lehou & Co., owner, and trade London–Madeira.

[4] The size of Antelope's crew and the scale of her armament suggests that the intent was to employ her as a privateer.

[2] Antelope and Le Pelley received a pass on 23 November 1807, for departure from the Thames for Madeira and the southern whale fishery.

[2] On 29 December 1807 Antelope, Le Pelley, master, sailed from Gravesend, bound for Port Jackson.

Goycochea did not resist, and showed his British captors documents attesting to the signing of an armistice between Spain and Britain.

Anderson and LePelley ignored the documents and proceeded to loot Nueva Castor of her cargo.

[8] On 17 February 1809 Antelope, Le Pelley, master, was off Rio de Janeiro, having come around Cape Horn.

In a letter, Le Pelley reported that he had arrived Rio de Janeiro with not a mast nor yard fit to use and sails totally worn out.

[2] On 29 March 1810 Antelope, Le Pelley, master, was off Dover, having come from Rio de Janeiro and the River Plate.

[1] Antelope sailed from London to Bengal in 1811 with dispatches for the British East India Company (EIC).

On 7 October 1822, Captain Michael Collas received a pass to sail to Havana on a trading voyage.