The Amazon-class frigates of 1773, made up of 32-gun fifth rates with a main battery of 12-pounder guns.
It comprised eighteen ships; Amazon, Ambuscade and Thetis were launched in 1773; the second batch - Cleopatra, Amphion, Orpheus, Juno, Success, Iphigenia, Andromache, Syren, Iris, Greyhound, Meleager, Castor, Solebay, Terpsichore and Blonde - were launched in 1779 to 1787
The original article can be found at Amazon class frigate (1773) and the edit history here.