YMS-1 Class Minesweeper

YMS-1 Class Minesweeper



USS YMS-324 in San Francisco Bay, c. 1945–46
Class overview
Name: YMS-1
Builders: 35 yacht builders
Operators: United States Navy
Royal Navy
Royal Canadian Navy
Subclasses: YMS-136, YMS-446
In commission: about March 1942 - 13 December 1957
Completed: 481
Cancelled: YMS-482YMS-500
Active: 0
Lost: 32
General characteristics
Type: minesweeper
Displacement: 270 tons
Length: 136 ft (41 m)
Beam: 24 ft 6 in (7.47 m)
Draft: 8 ft (2.4 m)
Propulsion: 2 × 880 bhp General Motors 8-268A diesel engines
2 shafts
Speed: 15 knots (28 km/h)
Complement: 32
Armament: 1 × 3"/50 caliber gun mount
2 × 20 mm guns
2 × depth charge projectors

The YMS-1 class of auxiliary motor minesweepers was established with the laying down of YMS-1 on 4 March 1941.

Characteristics of the class: Displacement 270 t.; Length 136'; Beam 24' 6"; Draft 8'; Speed 15 kts; Complement 32; Armament one single 3"/50 gun mount, two 20mm, two dcp; Propulsion two 1,000shp General Motors diesel engines, two shafts.

Read more about YMS-1 Class Minesweeper:  Subclasses

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