Kammala jumla mai zuwa: An umurci jirgin a ranar 24 ga Afrilu 1773 a matsayin "Intrepid" -class jirgin ruwa na layin 64 bindigogi. Babban jirgin ruwa na aji,, ya shiga sabis a 1771 kuma ya tabbatar da gamsarwa a cikin gwaji na teku, don haka Royal Navy ya karu da umarnin daga hudu zuwa goma sha biyar. "Anson" ya kasance wani ɓangare na fadada tsari, mai suna bayan George Anson, 1st Baron Anson, da nasara admiral na
Yaƙin farko na Cape Finisterre (1747).