Her design was based on the standardize 20-gun sixth rates building in England at the time.

[1] Dumbarton Castle was the first named vessel in the Royal Navy.

No information is available on her parameters, however, her specifications were probably based on the Maidstone group that was being built at this time.

She carried the standard armament of a sixth rate of twenty 6-pounders on the upper deck (UD) and four 4-pounders on the quarterdeck (QD).

[4] She was captured by the French 44-gun Le Jersey off Waterford on 26 April 1708.