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Packet (sea transport)


Packet trade generally refers to any regularly scheduled cargo, passenger and mail trade conducted by ship. The ships are called "packet boats" as their original function was to carry mail.

A "packet ship" was originally a vessel employed to carry post office mail packets to and from British embassies, colonies and outposts. In sea transport, a packet service is a regular, scheduled service, carrying freight and passengers. The ships used for this service are called packet ships or packet boats. The seamen are called packetmen, and the business is called packet trade.

"Packet" can mean a small parcel but, originally meant a parcel of important correspondence or valuable items, for urgent delivery. The French-language term "" derives from the English term "packet boat," but means a large ocean liner.

This sense became extended to mean any regularly scheduled ship, carrying passengers, as in packet trade. The word "packet" is frequently modified by the destination, e.g. Sydney packet, or by motive force, e.g. "steam packet".

Many states, civilisations and organisations set up mail systems for high value goods, especially confidential correspondence and bullion. In times of war, regular shipments ran the gauntlet of warships and privateers, and even in peacetime, pirates could be a threat on some routes. In 1829, the pirate Mansel Alcantra captured the packet Topaz and murdered her crew after looting her.

In Britain, the Post Office Packet Service used small, fast, lightly armed ships to carry state papers to overseas destinations on a regular schedule. This service operated from Tudor times until 1823, when the Admiralty assumed the responsibility for running the service. During the French Revolutionary and Napoleonic Wars the packet ships were targets for privateers and warships seeking prize money. Although some were captured, others managed to fight back. In the 1850s the Post Office moved to using contract carriers.

The European states with empires too developed mail systems for overseas transport of packets. Eventually, however, commercial steam liners began to work regular international schedules and received contracts from governments to carry mail as well as passengers and high-value cargo. Their services retained the name "Packet".


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