Built at John I. Thornycroft, Chiswick, England in 1884, displacement 16 tons and as dimensions 66.8 x 8 x 4.2 feet, one screw, horsepower 170 ihp, speed during trials 15,4 knots, coal bunker capacity 1,5 ton, crew numbered 6 men and the armament consisted of 2 torpedo tubes and 1 machinegun.