The Ardent-class torpedo boat destroyers ("Thornycroft A class") served with the Royal Navy. Built by Thornycroft, they displaced 265 tons, and were long. The Ardent-class were, except for their armament, identical to the preceding Daring class, being armed with one 12 pounder quick-firing gun forward and five 6-pounder guns, mounted on the broadside and aft, and two torpedo tubes on a revolving mount abaft the two funnels.