OTRA minesweepers (1939-1940)

Otra 1940

Otra 1960

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

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

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.

Otra 1949

ROYAL NORWEGIAN NAVY (NORWAY)

MINE WARFARE SHIPS

OTRA minesweepers (1939-1940)

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