British Royal navy captured Spanish frigates El Thetis and Santa Brigada according to the Dutch newspaper Oprechte Haerlemsche courant dated 12 November 1799

An item reported that two seized Spanish galleons were brought into Plymouth, England. The first was the 44 guns-frigate El Thetis (1), a crew of 300 sailors and coming from Havana, Cuba bound for Ferrol, Spain with 1.5 million dollars cash and a cargo of consisting of sugar, cacao, coffee, skins and so on. The  second ship was the 42 gun frigate Santa Brigada (2) with a crew numbering 320 men. She was loaded with 2-3 million dollars, cochineal, ivory, sugar and so on. The Spanish frigates were near the harbour of Ferrol captured by the British 32 gun frigates Triton, Najade and Alkmene.  

Notes

1. Left Vera Cruz on 21 August 1799 and captured on 16 October by the HMS Ethalion

2. Left Vera Cruz on 21 August 1799 and captured on 16 October by the HMS Triton, Naiad and Alcmene. Built in 1785, handed over to the British East India Company (EIC), renamed Automatica, made just one voyage and sold to be scrapped in 1803