Built at John I. Thornycroft, Chiswick, England in 1889, displacement 24 tons and as dimensions 78.3 x 9 x 4.9 feet, 1 screw, horsepower 350 ihp, speed during trials 18 knots, coal bunker capacity 3 ton, crew numbered 8 men and the armament consisted of 2 torpedo tubes and 1 machinegun.