HMS Hinchinbrook (1777) was a 14-gun brig, previously named Britannia and then the privateerAmerican Tartar. The Royal Navy captured her in 1777, used her as a slop ship from 1780 and sold her in 1783. She then became the mercantile Blenheim, which primarily served as a Greenland whaler until two French frigates captured and burnt her in 1806.
HMS Hinchinbrook (1778) was a 28-gun sixth rate, previously the French merchant vessel Astree. She was captured in 1778 and foundered in 1782, but with no loss of life.
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