sentences:  In 1782 Fairfax was released as a post captain and briefly commanded HMS "Tartar".In 1790 he took command of HMS "Sheerness" and in 1796 became flag captain of HMS "Venerable" under Admiral Adam Duncan and was heavily engaged at the Battle of Camperdown the following year.For his service in the battle, Fairfax was knighted and in 1801 was made a rear-admiral serving in the Baltic Sea but had made an enemy of Lord Spencer and was permanently placed in reserve.