Ley-class minehunter

The Ley class was a class of inshore minehunter built for the Royal Navy in the mid-1950s. They had pennant numbers in the series M2001. Eleven ships were built in the early 1950s, most of which were subsequently disarmed and used as training vessels, RNXS tenders, URNU vessels etc.

Bofors gun on HMS Isis (1978)
Class overview
Name: Ley class
Operators:  Royal Navy
Built: 1952–1955
Completed: 11
General characteristics
Type: Minehunter
Displacement:
  • 123 long tons (125 t) standard
  • 164 long tons (167 t) full load
Length: 100 ft (30 m) p/p
Beam: 21 ft 4 in (6.50 m)
Draught: 5 ft 6 in (1.68 m)
Propulsion: 2 shaft Paxman diesels, 700 bhp (522 kW)
Speed: 13 knots (15 mph; 24 km/h)
Complement: 2 officers, 13 ratings
Armament: 1 × Bofors 40 mm gun or Oerlikon 20 mm cannon

Unlike traditional minesweepers, they were not equipped for sweeping moored or magnetic mines. Their work was to locate individual mines and neutralise them. This was a then new role, and the class was configured for working in the shallow water of rivers, estuaries and shipping channels.

They were of composite construction, that is, wood and non-ferrous metals, to give a low magnetic signature, important in a vessel that may be dealing with magnetically detonated mines. They displaced 164 tons fully laden, were armed with a Bofors 40 mm gun and were powered by a pair of Paxman diesel engines.

The class shared the same basic hull as their inshore minesweeper counterpart the Ham class and the Echo-class inshore survey craft.

Ships
  • HMS Aveley
  • HMS Brearley
  • HMS Brenchley
  • HMS Brinkley
  • HMS Broadley
  • HMS Broomley
  • HMS Burley
  • HMS Chailey
  • HMS Cradley (renamed Isis)
  • HMS Dingley
  • HMS Edgeley
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References
  • Jane's Fighting Ships 1953-54, R.V.B Blackman (ed), Jane's Publishing, 1953
  • Warships of the Royal Navy, Captain John. E. Moore RN, Jane's Publishing, 1979
  • Bassingham web site
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