HMS Duncan (D37)

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Duncan (7899777334).jpg
Duncan passing Clydebank, whilst departing on her first set of contractor Sea trials, August 2012.
Career (UK) Royal Navy Ensign
Name: HMS Duncan
Namesake: Adam Duncan, Viscount Duncan of Camperdown
Ordered: December 2000
Builder: BAE Systems Surface Ships
Laid down: 26 January 2007
Launched: 11 October 2010
Sponsored by: Mrs Marie Ibbotson
Commissioned: 26 September 2013[1]
Identification: Deck code: DU
Pennant number: D37
International callsign: GMIC[2]
IMO number: 4907780
Motto: Secundis dubusque rectus
("Upright in prosperity and peril")
Status: In active service, as of 2014
Badge: HMS Duncan Crest.jpg
On a Field Red, a hunting horn Silver
General characteristics
Type: Guided missile destroyer
Displacement: 8,000 t (7,900 long tons; 8,800 short tons)[3]
Length: 152.4 m (500 ft 0 in)
Beam: 21.2 m (69 ft 7 in)
Draught: 7.4 m (24 ft 3 in)

2 shafts Integrated electric propulsion (IEP);

Speed: In excess of 29 kn (54 km/h; 33 mph)[5]
Range: 7,000 nautical miles (13,000 km) at 18 kn (33 km/h)
Complement: 190
Sensors and
processing systems:
Electronic warfare
& decoys:

Anti-air missiles:
Sea Viper (PAAMS) air defence system.
1 × 48-cell Sylver A50 VLS, for a combination of 48:
Aster 15 missiles (range 1.7-30 km)
Aster 30 missiles (range 3-120 km)

Anti-ship missiles:
2 × quad Harpoon launchers (4 ships only)

1 × BAE 4.5 inch Mark 8 naval gun
2 × Oerlikon 30 mm guns
2 × Phalanx CIWS
2 × Miniguns
6 × general purpose machine guns

Aircraft carried:

1-2× Lynx HMA8, armed with;

  • Sea Skua anti ship missiles, or
  • 2× anti submarine torpedoes

Westland Merlin HM1,[8] armed with;

  • 4× anti submarine torpedoes
Aviation facilities:
  • Large flight deck
  • Enclosed hangar

HMS Duncan is the sixth and last of the Type 45 or Daring-class air-defence destroyers built for the Royal Navy. Duncan is named after Adam Duncan, Viscount Duncan of Camperdown (1 July 1731 – 4 August 1804), who defeated the Dutch fleet at the Battle of Camperdown on 11 October 1797.

Operational history[edit]

Duncan's construction began at the BAE Systems Naval Ships (now part of BAE Systems Surface Ships) yards at Govan and Scotstoun on the River Clyde in 2006. She was launched from Govan on 11 October 2010,[9] on the 213th anniversary of the Battle of Camperdown).[10] HMS Duncan sailed from Scotstoun shipyard, Glasgow on 31 August 2012 to commence sea trials.[11] Duncan, the sixth and last type 45 destroyer, was commissioned on 26 September 2013.[1] She entered service on 30 December 2013, 4 months ahead of schedule, after a period of trials and training.[12]

Advanced air-defence[edit]

The Type 45 destroyers are primarily designed for anti-aircraft and anti-missile warfare with the capability to defend against aircraft, drones as well as supersonic sea skimming anti-ship missiles.[13] The Royal Navy describe the destroyers' mission as "to shield the Fleet from air attack". The Type 45 destroyer uses the sophisticated Sea Viper air-defence system[14] utilizing the SAMPSON active electronically scanned array multi-function air tracking radar, and the S1850M long-range air surveillance radar. The Sea Viper system is able to control and coordinate several missiles in the air at once, allowing several tracks to be intercepted. It has been suggested that the SAMPSON radar is capable of tracking an object the size of a cricket ball travelling at three times the speed of sound.[15] A core component of the Type 45's Sea Viper air-defence system is the Aster missile, composing of the Aster 15 and Aster 30. MBDA describe Aster as an anti-missile missile capable of intercepting all types of high performance air threats at a max range of 120 km (Aster 30).[16] The Aster missile is autonomously guided and equipped with an active RF seeker enabling it to cope with "saturated attacks" thanks to a "Multiple engagement capability" and a "high rate of fire".[16] Presently the Daring-class destroyers are equipped with a 48-cell A50 Sylver Vertical Launching System allowing for a mix of up-to 48 Aster 15 and 30 missiles. However, the Type 45 destroyer was designed to accommodate a total of 64 cells, while some reports suggest a total of 72 cells.[13]


Weapons, countermeasures, capabilities and sensors[edit]


The Portsmouth-built bow section of HMS Duncan waiting to be joined to the rest of the ship at Govan Shipyard in Glasgow during October 2009.


  1. ^ a b "Type 45 destroyer HMS Duncan 'christened' at Portsmouth Naval Base". BBC. 26 September 2013. Retrieved 26 September 2013. 
  2. ^ "Royal Navy Bridge Card, February 201". Retrieved 2011-04-18. 
  3. ^ "Type 45 Destroyer". Royal Navy. Retrieved 2011-11-06. 
  4. ^ "HMS Daring". Wärtsilä. Retrieved 2011-08-01. 
  5. ^ MacDermid, Alan (15 August 2007). "Daring is mean, green and built for speed". The Herald. Retrieved 2007-08-15. 
  6. ^ "Raytheon Press Release" (PDF). 8 March 2006. Retrieved 2008-01-31. 
  7. ^ "Jane's Electro-Optic Systems". 28 October 2010. Retrieved 2011-08-21. 
  8. ^ "Air Defence Destroyer (T45)". Royal Navy. Retrieved 2007-11-20. [dead link]
  9. ^ Down the slipway and into history - Clyde launch ends an era
  10. ^ "Final Destroyer launched on Clyde," BBC, 11 October 2010.
  11. ^ "Duncan, last of navy’s Type 45 destroyers sets out on maiden voyage". Royal Navy. 5 September 2012. Retrieved 2012-09-09. 
  12. ^ "Royal Navy’s final Type 45 destroyer enters service early". Royal Navy. 2013-12-31. Retrieved 2014-01-04. 
  13. ^ a b Type 45 ("Daring" Class) Destroyer
  14. ^ HMS Dragon roars into life: Royal Navy's latest and most technologically advanced warship is launched
  15. ^ Harding, Thomas (3 February 2006). "New warship is 'quantum leap forward' for the Navy". Daily Telegraph. Retrieved 2007-03-10. 
  16. ^ a b MBDA - Aster PDF
  17. ^ a b c d e f g h i j k l m n o "List of HMS Duncan affiliations". Royal Navy website. Retrieved 2013-11-08. 

External links[edit]