Harriet, Thompson, master, had been in company with Alexander on their way from Berbice and Demerara to Liverpool when on 16 March they encountered the French privateer Alerte at 26°30′N55°00′W / 26.500°N 55.000°W / 26.500; -55.000. Alert was armed with 20 guns and had a crew of 200 men, and succeeded in capturing both.[10]Harriet, of 266 tons, four 4-pounder guns and six 9-pounder carrondes, had been launched at Lancaster in 1804.[11]