The Héros was a 74-gun ship of the line

Ship of the line

A ship of the line was a type of naval warship constructed from the 17th through the mid-19th century to take part in the naval tactic known as the line of battle, in which two columns of opposing warships would manoeuvre to bring the greatest weight of broadside guns to bear...

 of the French Navy

French Navy

The French Navy, officially the Marine nationale and often called La Royale is the maritime arm of the French military. It includes a full range of fighting vessels, from patrol boats to a nuclear powered aircraft carrier and 10 nuclear-powered submarines, four of which are capable of launching...

, known mostly for being the flagship of Pierre André de Suffren de Saint Tropez

Pierre André de Suffren de Saint Tropez

Admiral comte Pierre André de Suffren de Saint Tropez, bailli de Suffren , French admiral, was the third son of the marquis de Saint Tropez, head of a family of nobles of Provence which claimed to have emigrated from Lucca in the 14th century...

 during the American war of independence.

She was built in 1778 at Toulon

Toulon

Toulon is a town in southern France and a large military harbor on the Mediterranean coast, with a major French naval base. Located in the Provence-Alpes-Côte-d'Azur region, Toulon is the capital of the Var department in the former province of Provence....

 on a design by Joseph-Marie-Blaise Coulomb.

In 1781, she became the flagship of Suffren

Pierre André de Suffren de Saint Tropez

Admiral comte Pierre André de Suffren de Saint Tropez, bailli de Suffren , French admiral, was the third son of the marquis de Saint Tropez, head of a family of nobles of Provence which claimed to have emigrated from Lucca in the 14th century...

, notably leading the French line at the Battle of Porto Praya

Battle of Porto Praya

The Battle of Porto Praya was a naval battle which took place during the American Revolutionary War on 16 April 1781 between a British squadron under Commodore George Johnstone and a French squadron under the Bailli de Suffren....

.

She was in Toulon when the city was captured by the British. When the city was liberated in 1793, the British scuttled her by fire.