Kammala jumla mai zuwa: A matsayin jirgin ruwa na Admiral Juan de Lángara, jirgin ya yi yaƙi a yakin Cape St Vincent a ranar 16 ga Janairu 1780, inda rundunar sojin ruwan Burtaniya ta kama ta kuma ta ba da izini a matsayin HMS "Gibraltar" na uku a watan Maris na wannan shekarar. Ta yi ɗan gajeren lokaci a cikin Turanci Channel kafin ta shiga rundunar sojojin Sama'ila Hood a West Indies kuma ta shiga cikin kama St Eustatius a watan Fabrairun 1781 da kuma
Yaƙin Fort Royal a watan mai zuwa. "Gibraltar" da wasu jiragen ruwa guda biyar an tura su don dakatar da wani jirgin ruwa na Faransanci da ke zuwa Tobago a watan Mayu na 1781, amma ya sami Faransanci mai karfi kuma ya janye. A watan Nuwamba, an maye gurbin bindigoginta na 18-pounders da 24-pounders, bayan haka, a watan Fabrairun 1782, ta tashi zuwa Gabashin Indiya kuma a shekara mai zuwa ta shiga cikin yakin Cuddalore.