HMS Sirius was the flagship of the First Fleet. She was converted
from a merchantman, the
Berwick in 1781 and was renamed
HMS Berwick. On the 12th October 1786 she was renamed
HMS Sirius. She was just under 512 tons,
carried 10 guns, a complement of 50 and was captained by
John Hunter. On the 19th March 1790 she was wrecked on the reef at
Lord Howe Island.