MMS-class minesweeper

The British Royal Navy operated large numbers of small Motor Minesweepers (MMS) during the Second World War, in two major classes: the first with 105 ft (32 m) hulls (of which 294 were built) and the second with 126 ft (38 m) hulls (of which 102 were built). Intended to counter magnetic influence mines in coastal waters, they had wooden hulls.

105 ft motor minesweeper
Class overview
Operators
SubclassesLlewellyn class
Built1940–1945
General characteristics
TypeMinesweeper
Displacement240–250 long tons (244–254 t)
Length
  • 105 ft (32 m) p/p
  • 119 ft (36 m) o/a
Beam23 ft (7.0 m)
Draught9 ft 6 in (2.90 m)
PropulsionDiesel engine, 375–425 bhp (280–317 kW)
Speed12 knots (14 mph; 22 km/h)
Complement20
Armament
  • 2 × 20 mm AA guns
  • 2 × machine guns
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