Lowestoffe class frigate

The Lowestoffe class were a class of two 28-gun sixth-rate frigates of the Royal Navy. They served during the Seven Years' War, with HMS Tartar surviving to see action in the American War of Independence and the French Revolutionary Wars.

They were designed by Sir Thomas Slade, based on the prototype 28-gun frigate Lyme (launched in 1748), "with such alterations as may tend to the better stowing of men and carrying for guns." These alterations involved raising the headroom between decks. They were originally ordered as 24-gun ships with 160 men, but re-rated while under construction to 28 guns with the addition of 3-pounder guns on the quarterdeck and with their complement being raised to 180 men.