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    Pennant number - Wikipedia

    • After the Second World War, in 1948, the Royal Navy adopted a rationalised "pennant" number system where the flag superior indicated the basic type of ship as follows. "F" and "A" use two or three digits, "L" and "P" up to four. 展开

    Overview

    In the Royal Navy and other navies of Europe and the Commonwealth of Nations, ships are identified by pennant n… 展开

    Royal Navy systems

    The Royal Navy first used pennants to distinguish its ships in 1661 with a proclamation that all of his majesty's ships must fly a union pennant. This distinction was further strengthened by a proclamation in 1674 which for… 展开

    International pennant numbers

    Several European NATO and Commonwealth navies agreed to introduce a pennant number system based on that of the Royal Navy. The system guarantees that, amongst those navies and other navies that later … 展开

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