She was commissioned in 1778 under the command of Rear Admiral John Campbell (1st Captain) and Captain Jonathan Faulknor (2nd Captain), with the flag of Admiral the Honorable Augustus Keppel.
Venne commissionata nel 1778 sotto il comando del rear admiral John Campbell (1° capitano) e del capitano Jonathan Faulknor (capitano in seconda), come nave ammiraglia dell'ammiraglio Augustus Keppel.