During the subsequent Mauritius campaign, Caroline captured two East Indiamen and their valuable cargoes of trade goods in the action of 31 May 1809.

[4] On 12 November 1808, the French authorities sent four new 40-gun frigates to the Indian Ocean, one of them Caroline, under the command of Captain Jean-Baptiste Billard.

Caroline initially patrolled with Manche, Captain Breton, and Iéna, under capitaine de vaisseau Billard.

Caroline captured several ships, notably two East Indiamen Streatham and Europa on 31 May 1809,[5] before returning to Saint-Paul.

[6] While Billard was suffering from very serious illness, Caroline was under the command of his first mate lieutenant de vaisseau Feretier.