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FIGHTING SHIPS OF THE WORLD
NORWAY
MINE WARFARE SHIPS
OTRA minesweepers (1939-1940)
Photo
Otra 1949
Ships
| Name | No | Yard No | Builder | Laid down | Launched | Comm | Fate |
|---|---|---|---|---|---|---|---|
| Otra | 1950- N34 | Nyland, Oslo | 1/1939 | 1939 | 9/1939 | captured by Germany 9.4.1940 (Togo), returned 5.1945, stricken 4.1963 | |
| Rauma | 1950- N33 | Nyland, Oslo | 1/1939 | 1939 | 1/1940 | captured by Germany 9.4.1940 (Kamerun), returned 5.1945, stricken 4.1963 |
Technical data
| Displacement standard, t | 320 |
|---|---|
| Displacement full, t | 370 |
| Length, m | 51.00 pp 52.1 oa |
| Breadth, m | 7.05 |
| Draught, m | 1.83 normal 2.00 max |
| No of shafts | 2 |
| Machinery | 2 VTE, 1 boiler |
| Power, h. p. | 900 |
| Max speed, kts | 13.5 |
| Fuel, t | oil |
| Endurance, nm(kts) | 1400(9) |
| Armament | 1 x 1 - 40/56 Bofors, 2 x 1 - 20/70 Oerlikon, 2 x 1 - 12.7/90, mechanical minesweeping gear, mines |
| Complement | 25 |
Standard scale images
Otra 1960
Otra 1940
Graphics
Otra 1949
Project history
Unique Norwegian purpose-built minesweepers of WWII, could take mines aboard.
Modernizations
None.
Naval service
Otra and Rauma were captured at Horten by German troops 9.4.1940, commissioned by Germans as Togo and Kamerun and returned to Norway after war. They were commissioned again in 1947 classified as minelayers.
