German submarine U-12 (1935)

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For other ships of the same name, see German submarine U-12.
Career (Nazi Germany)
Name: U-12
Ordered: 20 July 1934
Builder: Germaniawerft, Kiel
Yard number: 546
Laid down: 20 May 1935
Launched: 11 September 1935
Commissioned: 30 September 1935
Fate: Sunk 8 October 1939 in the English Channel near Dover. 27 dead
General characteristics
Type: IIB
Displacement: 279 Tons surfaced
329 Tons submerged
Length: 42.7 m (140 ft)
Beam: 4.1 m (13 ft)
Speed: 13 knots (24 km/h; 15 mph) surfaced
7 knots (13 km/h; 8.1 mph) submerged
Endurance: Surfaced 1,800 Miles at 12 Knots
Submerged 43 Miles at 4 Knots
Crew: 25
Armament: Three fore torpedo tubes with 6 × 21 inch torpedoes and 1 × 2 cm AA gun on fore-deck
Service record
Part of: Kriegsmarine:
3rd U-boat Flotilla
Identification codes: M 17 865
Commanders: Werner von Schmidt
Hans Pauckstadt
Dietrich von der Ropp
Operations: One
Victories: No ships sunk or damaged

German submarine U-12 was a Type IIB U-boat of Nazi Germany's Kriegsmarine laid down on 20 May 1935 by Germaniawerft at Kiel and commissioned on 30 September.


She was sunk 8 October 1939 by a mine, near Dover in the English Channel. Her exact position is not known but it is at approximately 51°10′N 01°30′E / 51.167°N 1.500°E / 51.167; 1.500Coordinates: 51°10′N 01°30′E / 51.167°N 1.500°E / 51.167; 1.500. All 27 of her crew died. The body of the commanding officer, Kapitänleutnant Dietrich von der Ropp, was washed ashore on the French coast near Dunkirk on 29 October 1939.

In 2002, the wreck was nominated by the German government to be designated as a protected place under the Protection of Military Remains Act 1986. This vessel was designated as a representative of all others lost within UK jurisdiction.


  • Busch, Rainer; Röll, Hans-Joachim (1999). "Deutsche U-Boot-Verluste von September 1939 bis Mai 1945". Der U-Boot-Krieg (in German) IV (Hamburg, Berlin, Bonn: Mittler). ISBN 3-8132-0514-2. 

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