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A ship prefix is a combination of letters, usually abbreviations, used in front of the name of a civilian or naval ship that has historically served numerous purposes, such as identifying the vessel's mode of propulsion, purpose, or ownership/nationality.
The combination of symbol and hull number identify a modern Navy ship uniquely. A heavily modified or repurposed ship may receive a new symbol, and either retain the hull number or receive a new one. Also, the system of symbols has changed a number of times since it was introduced in 1907, so ships' symbols sometimes change without anything ...
Pennant numbers do not have a hyphen or space (this matches the number as it typically appears on the side of the ship). Not all pennant numbers have an initial letter ("flag superior"), for example HMS Ark Royal (91). In recent decades, the Australian and Canadian navies have moved towards American-style three letter pennant number prefixes.
The ship designator and hull number system's roots extend back to the late 1880s when ship type serial numbers were assigned to most of the new-construction warships of the emerging "Steel Navy". During the course of the next thirty years, these same numbers were combined with filing codes used by the Navy's clerks to create an informal version ...
Tactical number - a number painted on the hull of a military ship, for identification either during combat or peacetime. [1] [2] [3] Sail number - unique identifiers used especially for racing yachts but also windsurfers, and displayed on the sail to assist with search and rescue operations. The sail code prefixes are mandated by World Sailing.
Nautical charts are generally originally published by government agencies such as the U.S. National Oceanic and Atmospheric Administration, and are now provided in both print form and digital for use in chartplotters. nautical mile A unit of length corresponding to approximately one minute of arc of latitude along any meridian arc. By ...
Nautical charts (2 C, 12 P) M. Metaphors referring to ships (5 P) N. Navigational aids (7 C, 72 P) P. Ship prefixes (27 P) R. Rating system of the Royal Navy (7 P) S ...
Adding a number to the type-identifying flag uniquely identified each ship. In the current system, a letter prefix, called a flag superior, identifies the type of ship, and numerical suffix, called a flag inferior, uniquely identifies an individual ship. Not all pennant numbers have a flag superior.