German submarine U-1166

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German submarine U-1166

Overview
- A German Type VIIC/41 submarine of the Kriegsmarine in World War II.
- Ordered October 14, 1941; laid down February 4, 1943; launched August 28, 1943; commissioned December 8, 1943 under Oberleutnant zur See Herbert Wagner.
- Served with the 8th U-boat Flotilla; did not go on combat patrols or score any victories.

Construction and career
- Built by Danziger Werft AG in Danzig (yard number 138). Laid down February 4, 1943; launched August 28, 1943; commissioned December 8, 1943.
- Commanders: Herbert Wagner (December 1943–April 1944); Sarto Ballert (April–August 1944).
- Damaged by a torpedo explosion on July 28, 1944; decommissioned in Kiel on August 28, 1944 and converted into a floating power station.
- Scuttled on May 3, 1945 at the Deutsche Werke shipyard in Kiel; wreck later raised and broken up.

Design (Type VIIC/41)
- Displacement: 769 tons surfaced; 857 tons submerged.
- Length: 67.10 m; Beam: 6.20 m; Height: 9.60 m; Draught: 4.74 m.
- Propulsion: 2 diesel engines (2,800–3,200 PS) for surface; 2 electric motors (750 PS) for submerged; 2 shafts; 2 propellers.
- Depth: Test depth up to 250 m (crush depth 250–295 m).
- Speed: 17.7 knots surfaced; 7.6 knots submerged.
- Range: 8,500 naval miles at 10 knots surfaced; 80 naval miles at 4 knots submerged.
- Armament: 5 torpedo tubes (4 bow, 1 stern); 14 torpedoes or 26 naval mines; 1 × 8.8 cm deck gun; 1 × 3.7 cm Flak; 2 × 2 cm AA.
- Crew: 44–52.

Fate
- Scuttled May 3, 1945, in Kiel. Wreck later raised and scrapped.