U-9; U-10; U-11; U-12
Traveling under the surface to search, track, and / or engage or reconnoiter areas.
Active patroling of vital waterways and maritime areas; can also serve as local deterrence against airborne and seaborne threats.
Serving in support (either firepower or material) of the main surface fleet in Blue Water environments.
4 x Korting kerosene paraffin engines developing 480 horsepower each; 2 x AEG electric motors generating 300 horsepower; 2 x shafts.
(3,862 miles | 6,215 km)
1 knot = 1.15 mph; 1 nm = 1.15 mile; 1 nm = 1.85 km
2 x 450mm torpedo tubes at bow.
2 x 450mm torpedo tubes at stern.
1 x 105mm deck gun.