In April 1779 she came under the command of Captain William Swiney , by now serving as the flagship of Vice-Admiral Mariot Arbuthnot .
After some time in home waters she sailed again for North America in May 1779 .
In April 1779 she came under the command of Captain William Swiney , by now serving as the flagship of Vice-Admiral Mariot Arbuthnot , and after some time in home waters she sailed again for North America in May 1779 .