The Type 42 destroyer HMS Liverpool at sea.

The Type 42 Destroyers are guided missile destroyers used by the British Royal Navy and the navies of Ireland and Iran. The first ship of the class was ordered in 1968 and launched in 1971. They are being replaced by the Type 45 destroyers.

Specifications[edit | edit source]

Flight I[edit | edit source]

  • Type: Destroyer
  • Service Period: 1975-2008
  • Characteristics
    • Length: 463 feet (141.12 meters)
    • Beam: 53 feet (16.15 meters)
    • Draught: 19 feet (5.8 meters)
    • Displacement: 4,400 tons (Standard); 5,320 tons (Full Load)
  • Crew: 274
  • Power: 50,000 shp
  • Propulsion: 2 shafts COGOG, 2 x Rolls-Royce Olympus TM3B high-speed gas turbines, (50,000 shp (37.5 MW)), 2 x Rolls-Royce Tyne RM1A cruise gas turbines, (8,000 shp (6 MW))
  • Range: 7,400 km (4,000 nmi) at 33 km/h (18 kn)
  • Speed: 30 knots (55.56 km/hr)
  • Sensor Suite:
    • Type 1022/965P air surveillance RDF
    • Type 996/992Q 3-D surveillance RDF
    • Type 909 GWS-30 fire-control RDF x 2
    • Type 1007 navigation RDF
    • Type 2050 / 2016 search ASDIC
    • Type 162 bottom profiling ASDIC
  • Armament:
    • 2 x QF 4.5"/55-caliber Mk.8 naval guns
    • 2 x twin arm GWS.30 Sea Dart missile launcher (22 missiles)
    • 1 x 30mm Goalkeeper CIWS
    • 2 x Triple anti-submarine torpedo tubes (6 torpedoes, 18 reloads)
  • Aircraft: 1 x Westland Lynx maritime helicopter
  • Aviation Facilities: Flight deck and enclosed hangar for embarking one helicopter

Flight II[edit | edit source]

  • Type: Destroyer
  • Service Period: 1980-2011
  • Characteristics
    • Length: 463 feet (141.12 meters)
    • Beam: 53 feet (16.15 meters)
    • Draught: 19 feet (5.8 meters)
    • Displacement: 4,400 tons (Standard); 5,320 tons (Full Load)
  • Crew: 274
  • Power: 50,000 shp
  • Propulsion: 2 shafts COGOG, 2 x Rolls-Royce Olympus TM3B high-speed gas turbines, (50,000 shp (37.5 MW)), 2 x Rolls-Royce Tyne RM1A cruise gas turbines, (8,000 shp (6 MW))
  • Range: 7,400 km (4,000 nmi) at 33 km/h (18 kn)
  • Speed: 30 knots (55.56 km/hr)
  • Sensor Suite:
    • Type 1022/965P air surveillance RDF
    • Type 996/992Q 3-D surveillance RDF
    • Type 909 GWS-30 fire-control RDF x 2
    • Type 1007 navigation RDF
    • Type 2050 / 2016 search ASDIC
    • Type 162 bottom profiling ASDIC
  • Armament:
    • 2 x QF 4.5"/55-caliber Mk.8 naval guns
    • 2 x twin arm GWS.30 Sea Dart missile launcher (32 missiles)
    • 1 x 30mm Goalkeeper CIWS
    • 2 x Triple anti-submarine torpedo tubes (6 torpedoes, 18 reloads)
  • Aircraft: 1 x Westland Lynx maritime helicopter
  • Aviation Facilities: Flight deck and enclosed hangar for embarking one helicopter

Flight III[edit | edit source]

The design of the Batch III Type 42 destroyer.

  • Type: Destroyer
  • Service Period: 1983-2016
  • Characteristics:
    • Length: 491 feet (149.66 meters)
    • Beam: 58 feet (17.63 meters)
    • Draught: 19 feet (5.8 meters)
    • Displacement: 5,150 tons (Standard); 7,622 tons (Full Load)
  • Crew: 325
  • Propulsion: 2 shafts COGOG, 2 x Rolls-Royce Olympus TM3B high-speed gas turbines, (50,000 shp (37.5 MW)), 2 x Rolls-Royce Tyne RM1A cruise gas turbines, (8,000 shp (6 MW))
  • Range: 7,760 kilometers at 18 knots (33.34 km/h)
  • Speed: 34 knots (62.97 km/h)
  • Sensor Suite:
    • Type 1022/965P air surveillance RDF
    • Type 996/992Q 3-D surveillance RDF
    • Type 909 GWS-30 fire-control RDF x 2
    • Type 1007 navigation RDF
    • Type 2050/2016 search ASDIC
    • Type 162 bottom profiling ASDIC
  • Armament
    • 2 x QF 4.5"/55-caliber Mk.8 naval guns
    • 2 x GWS.31 Sea Dart Mk.II medium-range twin-arm missile launchers (96 missiles)
    • 3 x GWS.27 Sea Wolf Mk.II short-range missile launchers (18 missiles, 54 reloads)
    • 2 x 4-cell Sea Bolt SSM Launchers (8 missiles)
    • 2 x 30mm Goalkeeper CIWS
    • 2 x GAU-19 12.7mm Miniguns (10,000 rounds)
    • 2 x 12.75" triple torpedo tubes (6 torpedoes, 18 reloads)
  • Aircraft Carried: 1 x Westland Lynx maritime helicopter

Unit Run[edit | edit source]

Royal Navy[edit | edit source]

Batch One[edit | edit source]

Batch Two[edit | edit source]

Batch Three[edit | edit source]

Royal Indian Navy[edit | edit source]

  • HMIS Rajput (D51)
  • HMIS Rana (D52)
  • HMIS Ranjit (D53)
  • HMIS Ranvir (D54)
  • HMIS Ranvijay (D55)
  • HMIS Rajputana (D56)
  • HMIS Rabhar (D57)
  • HMIS Rahat (D58)

Irish Navy[edit | edit source]

  • Dublin (D01)
  • Cork (D02)
  • Limerick (D03)
  • Galway (D04)
  • Waterford (D05)
  • Drogheda (D06)
  • Dundalk (D07)

Republic of Iran Navy[edit | edit source]

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