The German
submarine U-12 was ordered on 20th July 1934, built in yard number 546
at Germaniawerft, Kiel. Laid down on 20th May 1935, launched on 11th
September 1935, Commissioned 30th September 1935. Class Type IIB Coastal
submarine, displacement 279 tons surfaced. 328 tons submerged. Length
140 feet 1 inch, beam 13 feet 5 inches, draft 12 feet 10 inches. Propulsion
2 x MWM four-stoke diesel engines, 700 shp, and 2 x Siemens-Schuckert
electric motor, 360 shp., driving two propeller shafts at 13 knots on
the surface and 7 knots submerged, with a range of 1,800 nautical miles
at 12 knots on the surface. 35-43 nautical miles at 4 knots submerged,
maximum depth submerged 260 feet. Complement 3 officers, 22 men. Armament
3 x 21 inch torpedo tubes, 5 torpedoes and 1 x 2cm C/30 anti-aircraft
gun. U-12 was part of the Kriegsmarine 3rd U-boat Flotilla Identification
code M 17 865. Commanders Werner von Schmidt, Hans Pauckstadt, Dietrich
von der Ropp. Sunk during U-12 second operational patrol having not
sunk or damaged any ships.