Launched 1909. Displacement 630 tons, speed 32 knots. Armament: Four torpedo tubes, two 21-pounder quick-firers, and two machine guns. Complement, 83.

G 174-175.

Launched 1910. Displacement 645 tons, speed 3112 knots. Armament: Four torpedo tubes, two 21-pounder quick-firers, and two machine guns. Complement, 83.

G 169, 170, 172, 173.

Launched 1908. Displacement 628 tons, speed 30 knots. Armament: Three torpedo tubes, two 21-pounder quick-firers, and two machine guns. Complement, 83.

S 165-168.

Launched 1908. Displacement 600 tons, speed 32 knots. Armament: Three torpedo tubes, two 21-pounder quick-firers, and two machine guns. Complement, 83.

V 162-164.

Launched 1909. Displacement 600 tons, Speed 30 knots. Armament: Three torpedo tubes, two 21-pounder quick-firers, two machine guns. Complement, 83.

V 150-161.