German submarine U-984
| Career (Nazi Germany) |  |
|---|---|
| Name: | U-984 |
| Ordered: | 25 May 1941 |
| Builder: | Blohm & Voss, Hamburg |
| Yard number: | 184 |
| Laid down: | 7 September 1942 |
| Launched: | 12 May 1943 |
| Commissioned: | 17 June 1943 |
| Fate: | Sunk 20 August 1944 in the North Atlantic in the Bay of Biscay in position 48°16′N 05°33′W / 48.267°N 5.550°WCoordinates: 48°16′N 05°33′W / 48.267°N 5.550°W, by HMCS Ottawa, HMCS Kootenay and HMCS Chaudiere. |
| General characteristics [1] | |
| Class and type: | Type VIIC submarine |
| Displacement: | 769 tonnes (757 long tons) surfaced 871 t (857 long tons) submerged |
| Length: | 67.1 m (220 ft 2 in) o/a 50.5 m (165 ft 8 in) pressure hull |
| Beam: | 6.2 m (20 ft 4 in) o/a 4.7 m (15 ft 5 in) pressure hull |
| Draft: | 4.74 m (15 ft 7 in) |
| Propulsion: | 2 × supercharged Germaniawerft 6-cylinder 4-stroke F46 diesel engines, totalling 2,800–3,200 bhp (2,100–2,400 kW). Max rpm: 470-490 2 × BBC GG UB 720/8 electric motors, totalling 750 shp (560 kW) and max rpm: 296 |
| Speed: | 17.7 knots (32.8 km/h; 20.4 mph) surfaced 7.6 knots (14.1 km/h; 8.7 mph) submerged |
| Range: | 8,500 nmi (15,700 km; 9,800 mi) at 10 knots (19 km/h; 12 mph) surfaced 80 nmi (150 km; 92 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged |
| Test depth: | 230 m (750 ft) Crush depth: 250–295 m (820–968 ft) |
| Complement: | 44–52 officers & ratings |
| Armament: | 5 × 53.3 cm (21 in) torpedo tubes (4 bow, 1 stern) 14 × torpedoes or 26 TMA mines 1 × 8.8 cm (3.46 in) deck gun (220 rounds) Various AA guns |
| Service record[2] | |
|---|---|
| Part of: |
5th U-boat Flotilla (17 June 1943 - 31 July 1944) - Training 9th U-boat Flotilla (1 August 1944 - 20 August 1944) |
| Commanders: |
Oblt.z.S. Heinz Sieder (17 June 1943 - 20 August 1944) |
| Operations: |
1st patrol: 4 January 1944 - 24 February 1944 2nd patrol: 22 May 1944 - 27 May 1944 3rd patrol: 6 June 1944 - 10 June 1944 4th patrol: 12 June 1944 - 19 June 1944 5th patrol: 26 July 1944 - 20 August 1944 |
| Victories: |
3 merchant ships total loss (21,550 GRT) 1 merchant ship damaged (7,240 GRT) 1 warship total loss (1,300 tons) |
German submarine U-984 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II. She was laid down on 7 September 1942 by Blohm & Voss, Hamburg as yard number 184, launched on 12 May 1943 and commissioned on 17 June 1943 under Oberleutnant zur See Heinz Sieder.
Service History
The boat's career began with training at 5th U-boat Flotilla on 17 June 1943, followed by active service on 1 August 1944 as part of the 9th Flotilla for the remainder of her service.
On 22 January 1944, Maschinenobergefreiter Hermann Keller was lost overboard in the North Atlantic.
On 8 June 1944, U-984 was bombed by an unidentified Allied aircraft and was sufficiently damaged to force a return to base on 9 June
In 5 patrols she accounted for the total loss of 3 merchant ships, for a total of 21,550 gross register tons (GRT), one warship total loss (1,300 tons) and damaged one other merchant ship.
Wolfpacks
U-984 took part in four wolfpacks, namely
- Rügen (14–26 January 1944)
- Stürmer (26 January - 3 February 1944)
- Igel 1 (3–17 February 1944)
- Dragoner (22–27 May 1944)
Fate
U-984 was sunk on 20 August 1944 in the North Atlantic in the Bay of Biscay in position 48°16′N 05°33′W / 48.267°N 5.550°W, by depth charges from Canadian destroyers HMCS Ottawa, HMCS Kootenay and HMCS Chaudiere. All hands were lost.
Summary of raiding career
| Date | Name | Nationality | Tonnage (GRT) |
Fate[3] |
|---|---|---|---|---|
| 25 June 1944 | HMS Goodson |  Royal Navy |
1,300 | Total loss |
| 29 June 1944 | Edward M. House |  United States |
7,240 | Damaged |
| 29 June 1944 | H.G. Blasdel | United States |
7,176 | Total loss |
| 29 June 1944 | John A. Treutlen | United States |
7,198 | Total loss |
| 29 June 1944 | James A. Farrell | United States |
7,176 | Total loss |
See also
References
- ↑ Gröner 1985, pp. 72-74.
- ↑ Helgason, Guðmundur. "The Type VIIC boat U-984". German U-boats of WWII - uboat.net. Retrieved 14 September 2014.
- ↑ Helgason, Guðmundur. "Ships hit by U-984". German U-boats of WWII - uboat.net. Retrieved 14 September 2014.
Bibliography
- 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.
- Gröner, Erich (1985). U-Boote, Hilfskreuzer, Minenschiffe, Netzleger, Sperrbrecher. Die deutschen Kriegsschiffe 1815–1945 (in German) III (Koblenz: Bernard & Graefe). ISBN 3-7637-4802-4.
- Sharpe, Peter (1998). U-Boat Fact File. Great Britain: Midland Publishing. ISBN 1-85780-072-9.
External links
- Helgason, Guðmundur. "The Type VIIC boat U-984". German U-boats of WWII - uboat.net. Retrieved 29 December 2014.