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ABaltimore clipper is a fastsailing ship historically built on the mid-Atlantic seaboard of theUnited States, especially at the port ofBaltimore,Maryland. An early form ofclipper, the name is most commonly applied to two-mastedschooners andbrigantines. These vessels may also be referred to as Baltimore Flyers.
Baltimore clippers were built as small, fast sailing vessels for trade around the coastlines of the United States and with theCaribbean Islands. Their hull lines tended to be very sharp, with a V-shaped cross section below the waterline and strongly raked stem, stern posts, and masts.[1] The origins of the type are unknown, but certainly hulls conforming to the concept were being built inJamaica andBermuda, with the hull of the ocean-goingBermuda sloop broader than the Jamaican and deeper than the American design. By the late 18th century, the Baltimore configuration was not only popular in the United States as merchant craft, but also inBritain.[2][page needed]
TheNational Maritime Museum, Greenwich, has a one-page drawing labeled "A DRAWING OF HIS MAJESTY'S ARM'D SCHOONER BERBICE, THE 5TH AUG 1789" that comprises a sheer plan, body lines, deck plan, lines, and a view of her stern. These drawings ofHMS Berbice represent the earliest draught of what became known as the Baltimore clipper.[3]
The Royal Navy found the schooners of only limited usefulness during theFrench Revolutionary Wars andNapoleonic Wars because they were unstable gun platforms due to their design for extreme speed compared to their size. Furthermore, the schooner rig does not allow sails to be backed, creating a disadvantage in maneuverability in battle. They were adopted after the wars to pursue slave ships.[1]

They were especially suited to moving low-density, high value perishable cargoes such asslaves, and in that trade operated as far afield as the west coast of Africa.
Similar merchant vessels were given letters of marque and served asprivateers during theWar of Independence. During theWar of 1812, merchant schooners were too small and slow to escape the British blockade, and larger, faster, more heavily armed, purpose-built privateer Baltimore clippers were developed. The most famous of these larger vessels were the privateersChasseur,Prince de Neufchatel, andGeneral Armstrong.Prince de Neufchatel resisted an attack by a fourfold numerically superior force in the ships of HMSEndymion andChasseur alone captured more enemy ships than the entire US Navy during the war. Nevertheless, most privateers during the war were of the smaller type and served as merchant ships despite being given letters of marque. As a result, more privateers were taken by the British blockade of 1813 than ever took a prize themselves.
While the Baltimore clipper's design had flaws, the biggest cause of its decline was public backlash to their functions, such as illegally importing slaves after theAct Prohibiting Importation of Slaves in 1807 and raiding in South America.[4]
One particularly famous Baltimore clipper, and one of the last of the type in commercial service, was the schoonerVigilant that traded around theDanish Caribbean islands for over a century before sinking in ahurricane on September 12, 1928. She was believed to have been built in the 1790s.

Capt. Jack Aubrey uses a captured Baltimore clipper, theRingle, as his tender in thePatrick O'Brian novelsThe Commodore andThe Yellow Admiral. The ship is named after the American writer who brought the clippers to O'Brian's attention.[citation needed]
Modern replicas of an early 19th-century Baltimore clipper type include the ill-fatedPride of Baltimore, her replacement,Pride of Baltimore II,Californian,La Amistad,Shenandoah, and theLiberty Clipper and theprivateerLynx.