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German submarine U-146 was a Type IID U-boat of Nazi Germany's Kriegsmarineduring World War II. Her keel was laid down on 30 March 1940 by Deutsche Werke in Kiel as yard number 275. She was launched on 21 September 1940 and commissioned on 30 October with Eberhart Hoffmann in command.
| History | |
|---|---|
 Nazi Germany | |
| Name | U-146 |
| Ordered | 25 September 1939 |
| Builder | Deutsche Werke, Kiel |
| Yard number | 275 |
| Laid down | 30 March 1940 |
| Launched | 21 September 1940 |
| Commissioned | 30 October 1940 |
| Fate | Scuttled on 5 May 1945 at Wilhelmshaven |
| General characteristics | |
| Class and type | Type IID coastal submarine |
| Displacement | |
| Length |
|
| Beam |
|
| Height | 8.40 m (27 ft 7 in) |
| Draught | 3.93 m (12 ft 11 in) |
| Installed power |
|
| Propulsion |
|
| Speed |
|
| Range |
|
| Test depth | 80 m (260 ft) |
| Complement | 3 officers, 22 men |
| Armament |
|
| Service record[1][2] | |
| Part of: |
|
| Identification codes: | M 28 136 |
| Commanders: |
|
| Operations: |
|
| Victories: |
1 merchant ship sunk (3,496 GRT) |
U-146 began her service life with the 1st U-boat Flotilla. She was then assigned to the 22nd flotilla and subsequently to the 3rd flotilla where she conducted two patrols, sinking one ship, in 1941. She spent the rest of the war as a training vessel, moving back to the 22nd flotilla.
She was scuttled on 5 May 1945.
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German Type IID submarines were enlarged versions of the original Type IIs. U-146 had a displacement of 314 tonnes (309 long tons) when at the surface and 364 tonnes (358 long tons) while submerged. Officially, the standard tonnage was 250 long tons (254 t), however.[3] The U-boat had a total length of 43.97 m (144 ft 3 in), a pressure hull length of 29.80 m (97 ft 9 in), a beam of 4.92 m (16 ft 2 in), a height of 8.40 m (27 ft 7 in), and a draught of 3.93 m (12 ft 11 in). The submarine was powered by two MWM RS 127 S four-stroke, six-cylinder diesel engines of 700 metric horsepower (510 kW; 690 shp) for cruising, two Siemens-Schuckert PG VV 322/36 double-acting electric motors producing a total of 410 metric horsepower (300 kW; 400 shp) for use while submerged. She had two shafts and two 0.85 m (3 ft) propellers. The boat was capable of operating at depths of up to 80–150 metres (260–490 ft).[3]
The submarine had a maximum surface speed of 12.7 knots (23.5 km/h; 14.6 mph) and a maximum submerged speed of 7.4 knots (13.7 km/h; 8.5 mph).[3] When submerged, the boat could operate for 35–42 nautical miles (65–78 km; 40–48 mi) at 4 knots (7.4 km/h; 4.6 mph); when surfaced, she could travel 3,800 nautical miles (7,000 km; 4,400 mi) at 8 knots (15 km/h; 9.2 mph). U-146 was fitted with three 53.3 cm (21 in) torpedo tubes at the bow, five torpedoes or up to twelve Type A torpedo mines, and a 2 cm (0.79 in) anti-aircraft gun. The boat had a complement of 25.[3]
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First patrol
The submarine's first patrol commenced with her departure from Kiel on 17 June 1941. She crossed the North Sea and negotiated the gap between the Faroe and Shetland Islands. She sank Pluto 100 nmi (190 km; 120 mi) north north-west of the Butt of Lewis (in the Outer Hebrides, Scotland). She then sailed to a point south-west of Ireland.
Second patrol
For her second patrol, she left Kiel on 26 July 1941. Her return was on 11 August. No further details are available.
Fate
The boat was scuttled in the Raederschleuse (lock) at Wilhelmshaven on 5 May 1945. The wreck was broken up on an unknown date.
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