NAVYPEDIA

Photo

  Alta 1949

Ships

Name	No	Yard No	Builder	Laid down	Launched	Comm	Fate
NYMS247 (ex-YMS247), 1946- Vinstra	1950- M317		Weaver, Orange, USA	5.1942	14.10.1942	5.1943 // 5.1945	stricken 1959
NYMS305 (ex-YMS305), 1946- Gaula	1950- M318		Rice Bros, E. Boothbay, USA	7.1942	30.9.1943	11.1943 // 5.1945	stricken 6.1963
NYMS377 (ex-YMS377), 1946- Driva	1950- M319		Greenport Basin, USA	2.1943	3.4.1943	8.1943 // 3.1945	stricken 1961
NYMS379 (ex-YMS379), 1946- Alta	1950- M320		Greenport Basin, USA	3.1943	29.5.1943	9.1943 // 3.1945	stricken 1959
NYMS380 (ex-YMS380), 1946- Vorma	1950- M321		Greenport Basin, USA	4.1943	29.5.1943	9.1943 // 3.1945	stricken 1959
NYMS381 (ex-YMS381), 1946- Begna	1950- M322		Greenport Basin, USA	5.1943	17.7.1943	10.1943 // 3.1945	stricken 1961
NYMS382 (ex-YMS382)			Greenport Basin, USA	6.1943	21.8.1943	11.1943 // 3.1945	sunk 7.5.1945
NYMS406 (ex-YMS406), 1946- Rana	1950- M330		Henry C. Grebe, Chicago, USA	1.1943	6.9.1943	11.1943 // 5.1945	stricken 3.1962

Technical data

Displacement standard, t	270
Displacement full, t	320
Length, m	39.6 wl 41.5 oa
Breadth, m	7.47
Draught, m	2.36 full load
No of shafts	2
Machinery	2 diesels
Power, h. p.	800
Max speed, kts	14
Fuel, t	diesel oil
Endurance, nm(kts)	2000 (12)
Armament	1 x 1 - 76/50 Mk 20, 2 x 1 - 20/70 Mk 4, 2 DCT, 2 DCR, mechanical, magnetic, acoustic minesweeping gear
Electronic equipment	presumably SF or SO or SU radar
Complement	60

Standard scale images

Graphics

Project history

Former USN YMS class coastal minesweepers.

Modernizations

None.

Naval service

NYMS382 was sunk at Cherbourg 7.5.1945 by German submarine U1023.