Sylphe was ar Abeille class 16-gun brig

Brig

A brig is a sailing vessel with two square-rigged masts. During the Age of Sail, brigs were seen as fast and manoeuvrable and were used as both naval warships and merchant vessels. They were especially popular in the 18th and early 19th centuries...

 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...

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She took part in Allemand's expedition of 1805

Allemand's expedition of 1805

Allemand's expedition of 1805, often referred to as the Escadre invisible in French sources, was an important French naval expedition during the Napoleonic Wars, which formed a major diversion to the ongoing Trafalgar campaign in the Atlantic Ocean...

 under commander Langlois, capturing the merchantman Brothers. She also took part in the Action of 25 September 1806

Action of 25 September 1806

The Action of 25 September 1806 was a naval battle fought during the Napoleonic Wars off the French Biscay port of Rochefort. A French convoy of five frigates and two corvettes, sailing to the French West Indies with supplies and reinforcements, was intercepted by a British squadron of six ships of...

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In August 1807, as she cruised with Diligente and Espiègle, she was captured by the 18-gun HMS Comet, and brought into Royal Navy service as HMS Seagull http://www.pbenyon.plus.com/18-1900/S/04180a.html.

She was broken up in 1814.