"Ambuscade" fought at the First Battle of Cape Finisterre on 3 May 1747, commanded by Captain John Montagu. She captured the privateer "Vainqueen" on 12 July 1757, and fought with Edward Boscawen against Jean-François de La Clue-Sabran at the Battle of Lagos on 19 August 1759. She was sold at Deptford in 1762 to private adventurers.