This submarine type was the first to have a diesel engine instead of the petroleum-fired machines. The new propulsion system made the boats safer and granted a longer range. The boats were built at the Kaiserliche Werft shipyard in Danzig before the war and commissioned from 1911 to 1913.

Ship data

Endurance: 14083 km
Maximum speed: 15 kts

Armour Protection
Armour: 1

1 x 8,8cm Ubts K L/30. Ammo: 150 rounds
4 x 50cm G/6 Torpedo. Ammo: 6 torpedoes

Ships in class

- U 19