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The Implacable-class supercarriers, commonly know as the Improved Implacable class, are a class of aircraft carriers built for the Royal Navy and other Commonwealth and Allied navies. The name of the class indicates the roots of the class' design in the Implacable-class carriers of World War II. Currently, no Improved Implacable-class ships remain in service with the Royal Navy, but some remain in service with other navies. Improved Implacable-class ships are conventionally powered, have an overall length of 326.14 meters (1070 ft) and a displacement of 82,000 tons, and can carry up to 90 aircraft.

The Improved Implacable-class ships use angled flight decks in a CATOBAR arrangement.

Specifications[]

  • Type: Supercarrier
  • Service Period: 1963-Present
  • Characteristics
    • Length: 1070 feet (326.14 meters)
    • Beam: 272 feet 82.91 meters)
    • Draft: 33.5 feet (10.21 meters)
    • Displacement: 64,600 (Standard); 82,260 tons (Full Load)
  • Crew: 4,460
  • Power: 307,500 shp
  • Propulsion: 6 x Y300 steam boilers, 4 x steam turbines, 4 x shafts
  • Range: 16,500 nautical miles (30,560 kilometers) at 15 knots (27.78 km/h)
  • Speed: 36.5 knots (67.6 km/hr)
  • Sensor Suite:
    • Type 909 Sea Dart Fire Control RDF x 2
    • Type 974 Navigation RDF
    • Type 982 Fighter Control RDF
    • Type 983 3D Air Search RDF
    • Type 988 3D Air Search RDF with CDS
    • Type 992 2D Surface Search RDF
  • Armament
    • 4 x Sea Dart GWS.30 Mod 1 AAM launchers
    • 3 x CIWS
  • Airwing: 90 fixed wing aircraft and helicopters
  • Aviation Facilities: 4 x BS Mk.VI steam catapults, 3 x deck edge elevators, 4 x wires and Mk.14 arrestor engines

Ships in class[]

Royal Navy[]

  • HMS Implacable (R57)
  • HMS Formidable (R58)
  • HMS Theseus (R59)
  • HMS Venerable (R60)
  • HMS Pioneer (R61)
  • HMS Majestic (R62)
  • HMS Audacity (R63)
  • HMS Pathfinder (R64)

Royal Indian Navy[]

  • HMIS Viraat (R I01)
  • HMIS Vishal (R I02)

Royal Australian Navy[]

  • HMAS Canberra (R A03)
  • HMAS Commonwealth (R A04)

Royal Canadian Navy[]

Name Hull Number Ordered Laid Down Launched Commissioned Decommissioned Fate
HMS Implacable R57 1 October 1957 27 December 1957 21 May 1961 29 April 1963 12 May 2009 Undergoing scrapping
HMS Formidable R58 1 July 1957 14 September 1957 8 October 1962 27 October 1963 7 August 2003 Scrapped, 2015
HMS Theseus R59 25 November 1960 9 January 1961 1 February 1964 23 January 1965 9 August 1996 Sunk as target, 14 May 2005
HMS Venerable R60 1 November 1961 27 January 1962 28 March 1963 19 March 1964 19 August 2005 Undergoing scrapping
HMS Pioneer R61 30 April 1964 22 October 1964 27 May 1967 7 September 1968 23 March 2007 Undergoing scrapping
HMS Majestic R62 5 May 1965 5 November 1965 28 November 1967 7 September 1968 29 September 2009 Undergoing scrapping
HMS Audacity R63 28 January 1966 15 May 1966 15 May 1967 14 December 1968 25 December 2008 Undergoing scrapping
HMS Pathfinder R64 27 February 1967 27 March 1967 28 March 1969 31 December 1970 31 December 2009 Undergoing scrapping
Royal Indian Navy
HMIS Vikrant R I01 27 February 1968 30 November 1969 1 December 1971 20 December 1972 - Active
HMIS Vishal R I02 27 February 1968 31 December 1969 22 December 1970 29 December 1972 - Active
Royal Australian Navy
HMAS Brisbane R A03 March 1969 1 January 1970 7 July 1974 23 October 1975 - Active
HMAS Commonwealth R A04 March 1969 4 January 1970 10 August 1974 26 September 1975 - Active
Royal Canadian Navy
HMCS Warrior R C03 October 1969 20 February 1970 26 August 1974 11 November 1976 25 November 2016 Awaiting Disposal
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