HMS ''Tiara'' (P351) was a

Royal Navy The Royal Navy (RN) is the United Kingdom's naval warfare force. Although warships were used by Kingdom of England, English and Kingdom of Scotland, Scottish kings from the early medieval period, the first major maritime engagements were foug ...

Group Three T-class submarine laid down at

Portsmouth Dockyard His Majesty's Naval Base, Portsmouth (HMNB Portsmouth) is one of three operating bases in the United Kingdom for the Royal Navy (the others being HMNB Clyde and HMNB Devonport). Portsmouth Naval Base is part of the city of Portsmouth; it is lo ...

on 8 April 1943 and launched on 18 April 1944. However the

war War is an intense armed conflict between states, governments, societies, or paramilitary groups such as mercenaries, insurgents, and militias. It is generally characterized by extreme violence, destruction, and mortality, using regular o ...

ended before she was completed and she arrived at Dover Industries for scrapping in June 1947 . Her sister vessel was launched on the same day at Portsmouth dockyard and not completed either. She would have been the only ship of the Royal Navy to bear the name ''Tiara''.HMS Tiara
Uboat.net

Citations

References

* * British T-class submarines of the Royal Navy Ships built in Portsmouth 1944 ships World War II submarines of the United Kingdom {{UK-mil-submarine-stub