One of two twin-screw torpedo boats (length 140 feet, beam 14 feet, draught 5 feet 4 inches, displacement 100 tons; trial speed 24.964 knots) fitted with two 1400 indicated horsepower (total) compound marine engines operating with steam supplied by two locomotive boilers, and armed with two quick-firing Nordenfeldt guns, two bow torpedo tubes and two torpedo tubes mounted on a turntable aft for side discharge was built by Messrs. Yarrow and Co., Poplar, for the Italian Government. During this vessel's trials it achieved an average speed of 24.964 knots, which made it the fastest boat in the world at the time.